[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 28 18:04:11 UTC 2019


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 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 29 Jun, 2019

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

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

BGP routing table entries examined:                              759623
    Prefixes after maximum aggregation (per Origin AS):          292603
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      365009
Total ASes present in the Internet Routing Table:                 64662
    Prefixes per ASN:                                             11.75
Origin-only ASes present in the Internet Routing Table:           55628
Origin ASes announcing only one prefix:                           23941
Transit ASes present in the Internet Routing Table:                9034
Transit-only ASes present in the Internet Routing Table:            275
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 27978)                              31
Prefixes from unregistered ASNs in the Routing Table:                24
    Number of instances of unregistered ASNs:                        27
Number of 32-bit ASNs allocated by the RIRs:                      27602
Number of 32-bit ASNs visible in the Routing Table:               22515
Prefixes from 32-bit ASNs in the Routing Table:                  101561
Number of bogon 32-bit ASNs visible in the Routing Table:            18
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            232
Number of addresses announced to Internet:                   2839143808
    Equivalent to 169 /8s, 57 /16s and 229 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.3
Total number of prefixes smaller than registry allocations:      252664

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

Prefixes being announced by APNIC Region ASes:                   205685
    Total APNIC prefixes after maximum aggregation:               61187
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          201355
    Unique aggregates announced from the APNIC address blocks:    83667
APNIC Region origin ASes present in the Internet Routing Table:    9846
    APNIC Prefixes per ASN:                                       20.45
APNIC Region origin ASes announcing only one prefix:               2749
APNIC Region transit ASes present in the Internet Routing Table:   1465
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4851
Number of APNIC addresses announced to Internet:              770960512
    Equivalent to 45 /8s, 243 /16s and 236 /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, 131072-141625
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:                    225579
    Total ARIN prefixes after maximum aggregation:               105582
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           224872
    Unique aggregates announced from the ARIN address blocks:    106713
ARIN Region origin ASes present in the Internet Routing Table:    18512
    ARIN Prefixes per ASN:                                        12.15
ARIN Region origin ASes announcing only one prefix:                6868
ARIN Region transit ASes present in the Internet Routing Table:    1905
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2778
Number of ARIN addresses announced to Internet:              1067893632
    Equivalent to 63 /8s, 166 /16s and 195 /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, 393216-399260
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,  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:                    209585
    Total RIPE prefixes after maximum aggregation:                99235
    RIPE Deaggregation factor:                                     2.11
Prefixes being announced from the RIPE address blocks:           205557
    Unique aggregates announced from the RIPE address blocks:    122324
RIPE Region origin ASes present in the Internet Routing Table:    26163
    RIPE Prefixes per ASN:                                         7.86
RIPE Region origin ASes announcing only one prefix:               11570
RIPE Region transit ASes present in the Internet Routing Table:    3717
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8208
Number of RIPE addresses announced to Internet:               720094848
    Equivalent to 42 /8s, 235 /16s and 198 /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
                       196608-210331
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:                   97355
    Total LACNIC prefixes after maximum aggregation:              22240
    LACNIC Deaggregation factor:                                   4.38
Prefixes being announced from the LACNIC address blocks:          98700
    Unique aggregates announced from the LACNIC address blocks:   42870
LACNIC Region origin ASes present in the Internet Routing Table:   8557
    LACNIC Prefixes per ASN:                                      11.53
LACNIC Region origin ASes announcing only one prefix:              2300
LACNIC Region transit ASes present in the Internet Routing Table:  1565
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        39
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6106
Number of LACNIC addresses announced to Internet:             174090752
    Equivalent to 10 /8s, 96 /16s and 106 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  21394
    Total AfriNIC prefixes after maximum aggregation:              4339
    AfriNIC Deaggregation factor:                                  4.93
Prefixes being announced from the AfriNIC address blocks:         28907
    Unique aggregates announced from the AfriNIC address blocks:   9232
AfriNIC Region origin ASes present in the Internet Routing Table:  1292
    AfriNIC Prefixes per ASN:                                     22.37
AfriNIC Region origin ASes announcing only one prefix:              454
AfriNIC Region transit ASes present in the Internet Routing Table:  255
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  572
Number of AfriNIC addresses announced to Internet:            105860096
    Equivalent to 6 /8s, 79 /16s and 76 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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
  7545         4789        559     544  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3216       1467      29  VIETEL-AS-AP Viettel Group, VN
 45899         3044       1761     112  VNPT-AS-VN VNPT Corp, VN
  9808         2800       9043      62  CMNET-GD Guangdong Mobile Communication
  9829         2693       1489     562  BSNL-NIB National Internet Backbone, IN
  4766         2527      11119     760  KIXS-AS-KR Korea Telecom, KR
  4755         2142        428     183  TATACOMM-AS TATA Communications formerl
  9394         2095       4882      26  CTTNET China TieTong Telecommunications
  9498         2078        427     171  BBIL-AP BHARTI Airtel Ltd., IN
  7713         2056        608     611  TELKOMNET-AS-AP PT Telekomunikasi Indon

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
  7155         4064        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3678        240     618  CABLEONE - CABLE ONE, INC., US
  6327         3567       1324      89  SHAW - Shaw Communications Inc., CA
 22773         3425       2974     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2964       6374    1344  AMAZON-02 - Amazon.com, Inc., US
 16625         2605       1370    1880  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2153        346     257  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2150       2760     525  CHARTER-20115 - Charter Communications,
 18566         2098        405     107  MEGAPATH5-US - MegaPath Corporation, US
  5650         2082       3074    1459  FRONTIER-FRTR - Frontier Communications

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         5431       1629     141  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3173        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2701        514    1933  AKAMAI-ASN1, US
 12389         2253       2226     637  ROSTELECOM-AS, RU
 34984         2095        344     546  TELLCOM-AS, TR
  9121         1646       1692      18  TTNET, TR
 13188         1604        100      47  TRIOLAN, UA
  9009         1573        170     859  M247, GB
 61317         1566        152     468  ASDETUK http://www.heficed.com, GB

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         6177       3369     572  Uninet S.A. de C.V., MX
 10620         3410        534     435  Telmex Colombia S.A., CO
 11830         2697        370      54  Instituto Costarricense de Electricidad
  7303         1475       1022     275  Telecom Argentina S.A., AR
  6503         1223        441      54  Axtel, S.A.B. de C.V., MX
 28573         1154       2243     205  CLARO S.A., BR
  6147         1095        377      31  Telefonica del Peru S.A.A., PE
  3816         1039        524     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999          977        516     242  Mega Cable, S.A. de C.V., MX
 11172          937        112      61  Alestra, S. de R.L. de C.V., MX

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         1169        393      22  LINKdotNET-AS, EG
 37611          969        107       9  Afrihost, ZA
 24835          881        628      22  RAYA-AS, EG
 36992          862       1535      71  ETISALAT-MISR, EG
 36903          831        418     129  MT-MPLS, MA
  8452          676       1859      20  TE-AS TE-AS, EG
 29571          517         68      11  ORANGE-COTE-IVOIRE, CI
 37492          489        470      57  ORANGE-, TN
 15399          434         45      11  WANANCHI-, KE
 37342          414         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
  8151         6177       3369     572  Uninet S.A. de C.V., MX
 12479         5431       1629     141  UNI2-AS, ES
  7545         4789        559     544  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4064        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 11492         3678        240     618  CABLEONE - CABLE ONE, INC., US
  6327         3567       1324      89  SHAW - Shaw Communications Inc., CA
 22773         3425       2974     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3410        534     435  Telmex Colombia S.A., CO
  7552         3216       1467      29  VIETEL-AS-AP Viettel Group, VN

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

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

  ASN   No of nets  Net Savings  Description
 12479       5431         5290   UNI2-AS, ES
  7545       4789         4245   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4064         4039   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3567         3478   SHAW - Shaw Communications Inc., CA
 22773       3425         3269   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3216         3187   VIETEL-AS-AP Viettel Group, VN
  8551       3173         3127   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492       3678         3060   CABLEONE - CABLE ONE, INC., US
 10620       3410         2975   Telmex Colombia S.A., CO

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
  64500   DOCUMENT     45.43.56.0/24        45474       NEXUSGUARD-AS-AP Suite 2101~02
 267804   UNALLOCATED  45.172.108.0/22      52361       ARSAT - Empresa Argentina de S
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit
  64011   UNALLOCATED  166.133.128.0/18     20057       ATT-MOBILITY-LLC-AS20057 - AT&

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.220.48.0/20       36900    -Reserved AS-, ZZ
41.242.92.0/24       37643    -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        /8:10       /9:11      /10:37      /11:100     /12:294     
/13:569     /14:1131    /15:1910    /16:13267   /17:7992    /18:13952   
/19:25820   /20:40299   /21:47489   /22:94935   /23:76862   /24:434065  
/25:880     /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN   No of nets  Total ann.  Description
 12479     4384          5431    UNI2-AS, ES
  6327     3357          3567    SHAW - Shaw Communications Inc., CA
  7155     3156          4064    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2882          3678    CABLEONE - CABLE ONE, INC., US
 22773     2659          3425    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2626          3173    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2045          2697    Instituto Costarricense de Electricidad y Telec
 18566     1993          2098    MEGAPATH5-US - MegaPath Corporation, US
 30036     1904          2153    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi

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

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

   1:1692      2:1073      3:6         4:21        5:3179      6:45     
   7:1         8:1342      9:1        11:1        12:1805     13:361    
  14:2045     15:38       16:6        17:257      18:77       20:55     
  23:2796     24:2562     25:4        27:2456     31:2017     32:100    
  35:37       36:879      37:3060     38:1765     39:287      40:121    
  41:3220     42:823      43:2068     44:152      45:8492     46:3328   
  47:260      49:1354     50:1114     51:330      52:1009     54:279    
  55:632      56:6        57:47       58:1765     59:1070     60:529    
  61:2196     62:1956     63:1857     64:4997     65:2209     66:4847   
  67:2772     68:1172     69:3547     70:1377     71:654      72:2624   
  74:2726     75:1294     76:560      77:1799     78:1845     79:2292   
  80:1816     81:1492     82:1136     83:935      84:1131     85:2295   
  86:558      87:1543     88:1049     89:2553     90:214      91:6586   
  92:1434     93:2484     94:2475     95:3312     96:948      97:340    
  98:959      99:789     100:87      101:1192    102:631     103:21555  
 104:3621    105:268     106:782     107:1755    108:695     109:3683   
 110:1724    111:2045    112:1536    113:1382    114:1210    115:1737   
 116:1769    117:1925    118:2168    119:1650    120:1057    121:1037   
 122:2245    123:1786    124:1498    125:2018    128:1383    129:840    
 130:543     131:1819    132:819     133:221     134:1099    135:247    
 136:596     137:780     138:2079    139:896     140:600     141:895    
 142:794     143:1068    144:892     145:277     146:1295    147:829    
 148:1692    149:1098    150:785     151:1019    152:1092    153:337    
 154:4187    155:915     156:1629    157:1023    158:662     159:1945   
 160:1601    161:932     162:2969    163:833     164:1249    165:1492   
 166:478     167:1410    168:3393    169:899     170:4192    171:607    
 172:1653    173:2223    174:1044    175:976     176:2366    177:4083   
 178:2563    179:1385    180:2176    181:2380    182:2728    183:1097   
 184:2276    185:15303   186:3643    187:2488    188:2959    189:2018   
 190:8210    191:1463    192:10056   193:6731    194:5487    195:4143   
 196:2974    197:1621    198:5941    199:5981    200:7110    201:5148   
 202:10413   203:10200   204:4557    205:3065    206:3241    207:3244   
 208:3936    209:4273    210:3936    211:2048    212:3121    213:2959   
 214:1126    215:54      216:5887    217:2239    218:892     219:602    
 220:1879    221:976     222:980     223:1404   

End of report


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