[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 11 18:02:40 UTC 2017


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
MENOG, BJNOG, SDNOG, CMNOG, 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 12 Aug, 2017

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

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

BGP routing table entries examined:                              657261
    Prefixes after maximum aggregation (per Origin AS):          256276
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      317961
Total ASes present in the Internet Routing Table:                 58053
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           50206
Origin ASes announcing only one prefix:                           22210
Transit ASes present in the Internet Routing Table:                7847
Transit-only ASes present in the Internet Routing Table:            219
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      56
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:               111
    Number of instances of unregistered ASNs:                       112
Number of 32-bit ASNs allocated by the RIRs:                      19680
Number of 32-bit ASNs visible in the Routing Table:               15437
Prefixes from 32-bit ASNs in the Routing Table:                   62907
Number of bogon 32-bit ASNs visible in the Routing Table:            67
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            375
Number of addresses announced to Internet:                   2850849892
    Equivalent to 169 /8s, 236 /16s and 132 /24s
    Percentage of available address space announced:               77.0
    Percentage of allocated address space announced:               77.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      219003

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

Prefixes being announced by APNIC Region ASes:                   178583
    Total APNIC prefixes after maximum aggregation:               51741
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          177604
    Unique aggregates announced from the APNIC address blocks:    74126
APNIC Region origin ASes present in the Internet Routing Table:    8271
    APNIC Prefixes per ASN:                                       21.47
APNIC Region origin ASes announcing only one prefix:               2303
APNIC Region transit ASes present in the Internet Routing Table:   1178
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3129
Number of APNIC addresses announced to Internet:              763191268
    Equivalent to 45 /8s, 125 /16s and 95 /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:                    200827
    Total ARIN prefixes after maximum aggregation:                95469
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           202621
    Unique aggregates announced from the ARIN address blocks:     93365
ARIN Region origin ASes present in the Internet Routing Table:    17954
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                6652
ARIN Region transit ASes present in the Internet Routing Table:    1780
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2145
Number of ARIN addresses announced to Internet:              1109821216
    Equivalent to 66 /8s, 38 /16s and 135 /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:                    176231
    Total RIPE prefixes after maximum aggregation:                86418
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           172120
    Unique aggregates announced from the RIPE address blocks:    103881
RIPE Region origin ASes present in the Internet Routing Table:    24274
    RIPE Prefixes per ASN:                                         7.09
RIPE Region origin ASes announcing only one prefix:               11175
RIPE Region transit ASes present in the Internet Routing Table:    3435
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6073
Number of RIPE addresses announced to Internet:               713095040
    Equivalent to 42 /8s, 128 /16s and 247 /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:                   84281
    Total LACNIC prefixes after maximum aggregation:              18754
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          85517
    Unique aggregates announced from the LACNIC address blocks:   39302
LACNIC Region origin ASes present in the Internet Routing Table:   6238
    LACNIC Prefixes per ASN:                                      13.71
LACNIC Region origin ASes announcing only one prefix:              1746
LACNIC Region transit ASes present in the Internet Routing Table:  1145
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3754
Number of LACNIC addresses announced to Internet:             170951648
    Equivalent to 10 /8s, 48 /16s and 131 /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:                  17226
    Total AfriNIC prefixes after maximum aggregation:              3838
    AfriNIC Deaggregation factor:                                  4.49
Prefixes being announced from the AfriNIC address blocks:         19024
    Unique aggregates announced from the AfriNIC address blocks:   6971
AfriNIC Region origin ASes present in the Internet Routing Table:  1067
    AfriNIC Prefixes per ASN:                                     17.83
AfriNIC Region origin ASes announcing only one prefix:              333
AfriNIC Region transit ASes present in the Internet Routing Table:  211
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  336
Number of AfriNIC addresses announced to Internet:             93364480
    Equivalent to 5 /8s, 144 /16s and 161 /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         5425       4192      87  ERX-CERNET-BKB China Education and Rese
  7545         4014        407     392  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2963        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2801      11124     744  KIXS-AS-KR Korea Telecom, KR
  9829         2751       1498     549  BSNL-NIB National Internet Backbone, IN
  9808         2356       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2234       1449     106  VNPT-AS-VN VNPT Corp, VN
  4755         2095        422     220  TATACOMM-AS TATA Communications formerl
  7552         1671       1104      73  VIETEL-AS-AP Viettel Corporation, VN
  9498         1622        361     144  BBIL-AP BHARTI Airtel Ltd., IN

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
 22773         3830       2952     159  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3445       1341      88  SHAW - Shaw Communications Inc., CA
 18566         2207        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2066       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2021       2203     434  CHARTER-NET-HKY-NC - Charter Communicat
   209         1863       5066     639  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1833       3861     579  AMAZON-02 - Amazon.com, Inc., US
 30036         1823        328     290  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   701         1718      10559     629  UUNET - MCI Communications Services, In
  6983         1695        854     231  ITCDELTA - Earthlink, 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
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2969        970    2133  AKAMAI-ASN1, US
  8551         2554        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2050        332     422  TELLCOM-AS, TR
  9121         1911       1691      17  TTNET, TR
 12479         1647       1048      59  UNI2-AS, ES
 13188         1602        100      55  TRIOLAN, UA
 12389         1560       1482     651  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1153        544      15  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
 10620         3546        542     219  Telmex Colombia S.A., CO
  8151         2656       3402     578  Uninet S.A. de C.V., MX
 11830         2107        370      65  Instituto Costarricense de Electricidad
  6503         1556        437      53  Axtel, S.A.B. de C.V., MX
  7303         1556       1015     244  Telecom Argentina S.A., AR
  6147         1230        377      27  Telefonica del Peru S.A.A., PE
  3816         1023        501      93  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          955       2277     194  CLARO S.A., BR
 11172          917        126      86  Alestra, S. de R.L. de C.V., MX
 18881          897       1052      23  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         1196        398      48  LINKdotNET-AS, EG
 37611          747         91       8  Afrihost, ZA
 36903          711        357     130  MT-MPLS, MA
 36992          678       1378      29  ETISALAT-MISR, EG
 24835          501        850      15  RAYA-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          407        321      75  ORANGE-, TN
 15399          357         35       7  WANANCHI-, KE
  8452          313       1730      17  TE-AS TE-AS, EG
  2018          304        327      74  TENET-1, ZA

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         5425       4192      87  ERX-CERNET-BKB China Education and Rese
  7545         4014        407     392  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3830       2952     159  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3546        542     219  Telmex Colombia S.A., CO
  6327         3445       1341      88  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2969        970    2133  AKAMAI-ASN1, US
 17974         2963        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2801      11124     744  KIXS-AS-KR Korea Telecom, KR
  9829         2751       1498     549  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
 22773       3830         3671   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       4014         3622   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3445         3357   SHAW - Shaw Communications Inc., CA
 10620       3546         3327   Telmex Colombia S.A., CO
 17974       2963         2890   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2554         2513   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2356         2324   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2751         2202   BSNL-NIB National Internet Backbone, IN
 45899       2234         2128   VNPT-AS-VN VNPT Corp, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65532   PRIVATE      14.192.19.0/24      132717       NDCTPL-IN NxtGen Datacenter & 
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
4294901876   PRIVATE      59.101.19.0/24        2764       AAPT AAPT Limited, AU
4294902000   PRIVATE      59.101.45.0/24        2764       AAPT AAPT Limited, AU
4294901905   PRIVATE      59.101.49.0/24        2764       AAPT AAPT Limited, AU

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

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

Network            Origin AS  Description
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.12.0/23        62878    XLITT - Xlitt, US
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.79.12.0/22        37306    -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       /9:13      /10:36      /11:104     /12:284     
/13:553     /14:1049    /15:1851    /16:13445   /17:7650    /18:13436   
/19:24671   /20:38968   /21:41614   /22:78456   /23:65015   /24:367890  
/25:847     /26:624     /27:631     /28:37      /29:25      /30:18      
/31:2       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3241          3445    SHAW - Shaw Communications Inc., CA
 22773     2998          3830    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2946          3387    ALJAWWALSTC-AS, SA
 18566     2091          2207    MEGAPATH5-US - MegaPath Corporation, US
  8551     2019          2554    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1605          1823    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1497          2107    Instituto Costarricense de Electricidad y Telec
 10620     1493          3546    Telmex Colombia S.A., CO
 11492     1402          1580    CABLEONE - CABLE ONE, INC., US
  6389     1372          2066    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1580      2:818       4:18        5:2442      6:31        7:1      
   8:1055     12:1838     13:134      14:1712     15:27       16:2      
  17:186      18:90       20:61       23:2433     24:1911     25:2      
  27:2366     29:1        31:1918     32:84       33:18       35:21     
  36:392      37:2370     38:1327     39:65       40:97       41:2978   
  42:460      43:1964     44:78       45:3012     46:2807     47:161    
  49:1234     50:995      51:19       52:826      54:362      55:6      
  56:4        57:46       58:1564     59:1012     60:323      61:1928   
  62:1675     63:1910     64:4648     65:2215     66:4584     67:2302   
  68:1281     69:3362     70:1191     71:620      72:2229     74:2716   
  75:405      76:426      77:1481     78:1452     79:1952     80:1407   
  81:1390     82:1004     83:727      84:956      85:1793     86:464    
  87:1204     88:755      89:2186     90:164      91:6206     92:990    
  93:2406     94:2394     95:2662     96:653      97:355      98:1063   
  99:94      100:153     101:1218    103:15538   104:3024    105:187    
 106:568     107:1744    108:821     109:2895    110:1457    111:1744   
 112:1234    113:1253    114:1046    115:1555    116:1646    117:1749   
 118:2156    119:1651    120:723     121:1060    122:2330    123:1824   
 124:1485    125:1803    128:840     129:662     130:437     131:1452   
 132:564     133:191     134:681     135:226     136:453     137:468    
 138:1910    139:506     140:394     141:632     142:769     143:878    
 144:806     145:182     146:1094    147:696     148:1481    149:578    
 150:708     151:973     152:709     153:299     154:885     155:753    
 156:659     157:659     158:480     159:1540    160:730     161:741    
 162:2539    163:538     164:938     165:1386    166:383     167:1282   
 168:2989    169:839     170:3490    171:334     172:1024    173:1988   
 174:815     175:732     176:1891    177:4015    178:2548    179:1127   
 180:2203    181:1934    182:2379    183:776     184:876     185:10403  
 186:3290    187:2187    188:2613    189:1788    190:8345    191:1347   
 192:9524    193:5798    194:4683    195:3912    196:2099    197:1329   
 198:5546    199:5902    200:7577    201:4308    202:10329   203:9990   
 204:4500    205:2838    206:3070    207:3158    208:3945    209:3996   
 210:3949    211:2082    212:2879    213:2511    214:861     215:66     
 216:5899    217:2132    218:888     219:600     220:1696    221:892    
 222:743     223:1188   

End of report


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