[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Apr 13 18:03:01 UTC 2018


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 14 Apr, 2018

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              694221
    Prefixes after maximum aggregation (per Origin AS):          268062
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      333993
Total ASes present in the Internet Routing Table:                 60376
    Prefixes per ASN:                                             11.50
Origin-only ASes present in the Internet Routing Table:           52151
Origin ASes announcing only one prefix:                           22835
Transit ASes present in the Internet Routing Table:                8225
Transit-only ASes present in the Internet Routing Table:            268
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                46
    Number of instances of unregistered ASNs:                        46
Number of 32-bit ASNs allocated by the RIRs:                      22190
Number of 32-bit ASNs visible in the Routing Table:               17842
Prefixes from 32-bit ASNs in the Routing Table:                   74177
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:            367
Number of addresses announced to Internet:                   2862806274
    Equivalent to 170 /8s, 162 /16s and 245 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.9
Total number of prefixes smaller than registry allocations:      231118

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   190229
    Total APNIC prefixes after maximum aggregation:               53961
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          189163
    Unique aggregates announced from the APNIC address blocks:    77142
APNIC Region origin ASes present in the Internet Routing Table:    8713
    APNIC Prefixes per ASN:                                       21.71
APNIC Region origin ASes announcing only one prefix:               2428
APNIC Region transit ASes present in the Internet Routing Table:   1303
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3675
Number of APNIC addresses announced to Internet:              767084034
    Equivalent to 45 /8s, 184 /16s and 198 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    206423
    Total ARIN prefixes after maximum aggregation:                98887
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           206893
    Unique aggregates announced from the ARIN address blocks:     97703
ARIN Region origin ASes present in the Internet Routing Table:    18135
    ARIN Prefixes per ASN:                                        11.41
ARIN Region origin ASes announcing only one prefix:                6704
ARIN Region transit ASes present in the Internet Routing Table:    1794
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2335
Number of ARIN addresses announced to Internet:              1109026464
    Equivalent to 66 /8s, 26 /16s and 102 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    189340
    Total RIPE prefixes after maximum aggregation:                91435
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           185690
    Unique aggregates announced from the RIPE address blocks:    110508
RIPE Region origin ASes present in the Internet Routing Table:    25094
    RIPE Prefixes per ASN:                                         7.40
RIPE Region origin ASes announcing only one prefix:               11401
RIPE Region transit ASes present in the Internet Routing Table:    3486
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6884
Number of RIPE addresses announced to Internet:               716174976
    Equivalent to 42 /8s, 175 /16s and 246 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   89451
    Total LACNIC prefixes after maximum aggregation:              19714
    LACNIC Deaggregation factor:                                   4.54
Prefixes being announced from the LACNIC address blocks:          90842
    Unique aggregates announced from the LACNIC address blocks:   40741
LACNIC Region origin ASes present in the Internet Routing Table:   7008
    LACNIC Prefixes per ASN:                                      12.96
LACNIC Region origin ASes announcing only one prefix:              1926
LACNIC Region transit ASes present in the Internet Routing Table:  1311
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4541
Number of LACNIC addresses announced to Internet:             172652768
    Equivalent to 10 /8s, 74 /16s and 120 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  18730
    Total AfriNIC prefixes after maximum aggregation:              4023
    AfriNIC Deaggregation factor:                                  4.66
Prefixes being announced from the AfriNIC address blocks:         21266
    Unique aggregates announced from the AfriNIC address blocks:   7607
AfriNIC Region origin ASes present in the Internet Routing Table:  1132
    AfriNIC Prefixes per ASN:                                     18.79
AfriNIC Region origin ASes announcing only one prefix:              375
AfriNIC Region transit ASes present in the Internet Routing Table:  227
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  407
Number of AfriNIC addresses announced to Internet:             97447936
    Equivalent to 5 /8s, 206 /16s and 240 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5407       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4378        415     431  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2854      11131     783  KIXS-AS-KR Korea Telecom, KR
  9829         2815       1499     544  BSNL-NIB National Internet Backbone, IN
  7552         2725       1155      69  VIETEL-AS-AP Viettel Group, VN
  9394         2635       4923      29  CTTNET China TieTong Telecommunications
 45899         2586       1574     161  VNPT-AS-VN VNPT Corp, VN
 17974         2330        928      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2171       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2091        417     215  TATACOMM-AS TATA Communications formerl

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3365       1323      85  SHAW - Shaw Communications Inc., CA
 22773         3287       2988     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2168        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2093       2490     448  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2054       4413     636  AMAZON-02 - Amazon.com, Inc., US
 30036         1952        338     186  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1922       5070     606  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 11492         1800        227     546  CABLEONE - CABLE ONE, INC., US
 16625         1750        856    1248  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1707      20205    1255  ATT-INTERNET4 - AT&T Services, Inc., US

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 12479         4036       1512     488  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 20940         2695        742    1980  AKAMAI-ASN1, US
  8551         2126        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2029       1859     706  ROSTELECOM-AS, RU
 34984         1977        333     490  TELLCOM-AS, TR
  9121         1968       1692      19  TTNET, TR
 13188         1608        100      47  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1226        544      14  CORBINA-AS OJSC "Vimpelcom", RU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         4345       3387     574  Uninet S.A. de C.V., MX
 10620         3570        539     270  Telmex Colombia S.A., CO
 11830         2641        369      85  Instituto Costarricense de Electricidad
  6503         1626        437      53  Axtel, S.A.B. de C.V., MX
  7303         1510       1024     192  Telecom Argentina S.A., AR
 28573         1037       2254     176  CLARO S.A., BR
  3816         1005        504     121  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          996        377      31  Telefonica del Peru S.A.A., PE
 11172          928        126      85  Alestra, S. de R.L. de C.V., MX
 18881          908       1074      29  TELEFÔNICA BRASIL S.A, BR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1144        396      44  LINKdotNET-AS, EG
 37611          824        107       9  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          701       1412      41  ETISALAT-MISR, EG
  8452          643       1730      18  TE-AS TE-AS, EG
 24835          638        850      15  RAYA-AS, EG
 29571          472         68      12  ORANGE-COTE-IVOIRE, CI
 37492          451        376      81  ORANGE-, TN
 15399          362         35       7  WANANCHI-, KE
 37342          361         32       1  MOVITEL, MZ

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5407       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4378        415     431  TPG-INTERNET-AP TPG Telecom Limited, AU
  8151         4345       3387     574  Uninet S.A. de C.V., MX
 12479         4036       1512     488  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3570        539     270  Telmex Colombia S.A., CO
  6327         3365       1323      85  SHAW - Shaw Communications Inc., CA
 22773         3287       2988     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2854      11131     783  KIXS-AS-KR Korea Telecom, KR
  9829         2815       1499     544  BSNL-NIB National Internet Backbone, IN

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  7545       4378         3947   TPG-INTERNET-AP TPG Telecom Limited, AU
  8151       4345         3771   Uninet S.A. de C.V., MX
 39891       3778         3758   ALJAWWALSTC-AS, SA
 12479       4036         3548   UNI2-AS, ES
 10620       3570         3300   Telmex Colombia S.A., CO
  6327       3365         3280   SHAW - Shaw Communications Inc., CA
 22773       3287         3137   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2725         2656   VIETEL-AS-AP Viettel Group, VN
  9394       2635         2606   CTTNET China TieTong Telecommunications Corpora
 11830       2641         2556   Instituto Costarricense de Electricidad y Telec

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
  65537   DOCUMENT     62.162.120.0/24       6821       MT-AS-OWN bul. Orce Nikolov bb
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.78.0/24       39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.80.0/22       39407       CHITATELECOM-AS, RU
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.48.0/24      327815    XNET, NA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:15       /9:12      /10:37      /11:100     /12:288     
/13:564     /14:1097    /15:1902    /16:13397   /17:7836    /18:13669   
/19:25227   /20:39361   /21:45193   /22:86301   /23:70047   /24:386928  
/25:849     /26:607     /27:662     /28:35      /29:20      /30:17      
/31:4       /32:53      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3153          3365    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 12479     2772          4036    UNI2-AS, ES
 22773     2540          3287    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2168    MEGAPATH5-US - MegaPath Corporation, US
 11830     1989          2641    Instituto Costarricense de Electricidad y Telec
 30036     1703          1952    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1599          3570    Telmex Colombia S.A., CO
  8551     1589          2126    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1558          1800    CABLEONE - CABLE ONE, INC., US

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1592      2:825       4:19        5:2869      6:59        7:1      
   8:1122     12:1876     13:183      14:1746     15:30       16:3      
  17:200      18:68       20:47       21:4        23:2549     24:2153   
  25:2        27:2269     31:1971     32:87       35:27       36:505    
  37:2757     38:1449     39:253      40:118      41:3104     42:606    
  43:1938     44:104      45:4100     46:3070     47:204      49:1297   
  50:1048     51:304      52:993      54:372      55:5        56:12     
  57:42       58:1532     59:1011     60:430      61:2139     62:1815   
  63:1803     64:4758     65:2221     66:4587     67:2351     68:1146   
  69:3192     70:1149     71:560      72:2093     74:2718     75:411    
  76:429      77:1549     78:1699     79:1929     80:1478     81:1429   
  82:1080     83:770      84:1040     85:2050     86:580      87:1318   
  88:933      89:2309     90:208      91:6310     92:1171     93:2390   
  94:2370     95:2781     96:659      97:357      98:943      99:133    
 100:81      101:1259    102:40      103:17406   104:3250    105:228    
 106:654     107:1763    108:711     109:2699    110:1597    111:1780   
 112:1267    113:1337    114:1121    115:1637    116:1641    117:1705   
 118:2158    119:1664    120:965     121:1057    122:2451    123:1810   
 124:1450    125:1891    128:979     129:638     130:449     131:1574   
 132:677     133:196     134:1015    135:226     136:455     137:498    
 138:1908    139:593     140:424     141:688     142:782     143:975    
 144:810     145:459     146:1178    147:766     148:1560    149:701    
 150:720     151:1048    152:762     153:312     154:1029    155:754    
 156:870     157:784     158:629     159:1667    160:923     161:747    
 162:2579    163:531     164:1057    165:1412    166:425     167:1403   
 168:3051    169:806     170:3687    171:428     172:1040    173:1946   
 174:887     175:750     176:1851    177:3975    178:2418    179:1218   
 180:2247    181:2218    182:2386    183:1138    184:919     185:13255  
 186:3581    187:2381    188:2764    189:2026    190:8121    191:1438   
 192:9829    193:5888    194:4795    195:3952    196:2505    197:1424   
 198:5538    199:5864    200:7392    201:5013    202:10371   203:10177  
 204:4520    205:2878    206:3075    207:3199    208:3979    209:3937   
 210:4035    211:2111    212:3017    213:2725    214:950     215:60     
 216:5841    217:2130    218:908     219:619     220:1748    221:995    
 222:1039    223:1244   

End of report


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