[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 25 18:03:30 UTC 2020


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 26 Dec, 2020

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

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

BGP routing table entries examined:                              834627
    Prefixes after maximum aggregation (per Origin AS):          319962
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      399619
Total ASes present in the Internet Routing Table:                 70194
    Prefixes per ASN:                                             11.89
Origin-only ASes present in the Internet Routing Table:           60341
Origin ASes announcing only one prefix:                           24973
Transit ASes present in the Internet Routing Table:                9853
Transit-only ASes present in the Internet Routing Table:            301
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     203
    Max AS path prepend of ASN (396896)                             200
Prefixes from unregistered ASNs in the Routing Table:              1050
    Number of instances of unregistered ASNs:                      1053
Number of 32-bit ASNs allocated by the RIRs:                      34527
Number of 32-bit ASNs visible in the Routing Table:               28671
Prefixes from 32-bit ASNs in the Routing Table:                  132240
Number of bogon 32-bit ASNs visible in the Routing Table:            23
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            522
Number of addresses announced to Internet:                   2863188352
    Equivalent to 170 /8s, 168 /16s and 201 /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:               99.5
Total number of prefixes smaller than registry allocations:      284081

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

Prefixes being announced by APNIC Region ASes:                   218461
    Total APNIC prefixes after maximum aggregation:               64434
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          214540
    Unique aggregates announced from the APNIC address blocks:    87588
APNIC Region origin ASes present in the Internet Routing Table:   11144
    APNIC Prefixes per ASN:                                       19.25
APNIC Region origin ASes announcing only one prefix:               3167
APNIC Region transit ASes present in the Internet Routing Table:   1610
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         31
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6283
Number of APNIC addresses announced to Internet:              777992448
    Equivalent to 46 /8s, 95 /16s and 57 /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, 131072-143673
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:                    240552
    Total ARIN prefixes after maximum aggregation:               111516
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           240984
    Unique aggregates announced from the ARIN address blocks:    115437
ARIN Region origin ASes present in the Internet Routing Table:    18692
    ARIN Prefixes per ASN:                                        12.89
ARIN Region origin ASes announcing only one prefix:                6825
ARIN Region transit ASes present in the Internet Routing Table:    1918
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                         203
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3631
Number of ARIN addresses announced to Internet:              1092682240
    Equivalent to 65 /8s, 33 /16s and 2 /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, 393216-401308
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:                    237678
    Total RIPE prefixes after maximum aggregation:               112162
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           233540
    Unique aggregates announced from the RIPE address blocks:    137882
RIPE Region origin ASes present in the Internet Routing Table:    27597
    RIPE Prefixes per ASN:                                         8.46
RIPE Region origin ASes announcing only one prefix:               11858
RIPE Region transit ASes present in the Internet Routing Table:    3885
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9778
Number of RIPE addresses announced to Internet:               709773952
    Equivalent to 42 /8s, 78 /16s and 74 /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
                       196608-213403
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:                  112175
    Total LACNIC prefixes after maximum aggregation:              26265
    LACNIC Deaggregation factor:                                   4.27
Prefixes being announced from the LACNIC address blocks:         113301
    Unique aggregates announced from the LACNIC address blocks:   47952
LACNIC Region origin ASes present in the Internet Routing Table:  10631
    LACNIC Prefixes per ASN:                                      10.66
LACNIC Region origin ASes announcing only one prefix:              2637
LACNIC Region transit ASes present in the Internet Routing Table:  1989
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        33
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8227
Number of LACNIC addresses announced to Internet:             173972736
    Equivalent to 10 /8s, 94 /16s and 157 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  24709
    Total AfriNIC prefixes after maximum aggregation:              4830
    AfriNIC Deaggregation factor:                                  5.12
Prefixes being announced from the AfriNIC address blocks:         31740
    Unique aggregates announced from the AfriNIC address blocks:  10335
AfriNIC Region origin ASes present in the Internet Routing Table:  1424
    AfriNIC Prefixes per ASN:                                     22.29
AfriNIC Region origin ASes announcing only one prefix:              485
AfriNIC Region transit ASes present in the Internet Routing Table:  285
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  752
Number of AfriNIC addresses announced to Internet:            108327936
    Equivalent to 6 /8s, 116 /16s and 244 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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        5680        777     659  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4744       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3542       1330      21  VIETEL-AS-AP Viettel Group, VN
  7713        3234        952     519  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2860       1896      55  VNPT-AS-VN VNPT Corp, VN
  9808        2589       9044      57  CMNET-GD Guangdong Mobile Communication
  4766        2405      11105     563  KIXS-AS-KR Korea Telecom, KR
  9498        2296        466     233  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2133        441     189  TATACOMM-AS TATA Communications formerl
 45090        2067       1045      63  CNNIC-TENCENT-NET-AP Shenzhen Tencent C

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
 11492        4767        316     692  CABLEONE, US
 16509        4547       9071    2107  AMAZON-02, US
  7155        4022        264      32  VIASAT-SP-BACKBONE, US
 22773        3774       3008     211  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3357       1319      83  SHAW, CA
 16625        3160       1656    2273  AKAMAI-AS, US
   209        2522       5058     508  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2489        369     123  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2336       2984    1643  FRONTIER-FRTR, US
 20115        2163       2898     509  CHARTER-20115, 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
 47331        6258        852    3605  TTNET, TR
 12479        6214       1667     141  UNI2-AS, ES
 39891        3460        195      23  ALJAWWALSTC-AS, SA
 20940        3318       3345     198  AKAMAI-ASN1, NL
  8551        3209        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2875       2280     887  ROSTELECOM-AS, RU
  9009        2238        230    1227  M247, GB
 34984        2174        354     578  TELLCOM-AS, TR
 13188        1611        100      23  TRIOLAN, UA
 58224        1467        857     550  TCI, IR

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        8140       3400     588  Uninet S.A. de C.V., MX
 10620        3389        526     598  Telmex Colombia S.A., CO
 11830        2564        369      63  Instituto Costarricense de Electricidad
 13999        1605        432     408  Mega Cable, S.A. de C.V., MX
  6503        1438        311     475  Axtel, S.A.B. de C.V., MX
  7303        1437        911     263  Telecom Argentina S.A., AR
 28573        1374       2260     220  CLARO S.A., BR
  6147        1147        379      39  Telefonica del Peru S.A.A., PE
  3816        1115        537     152  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664        1008        213     417  Techtel LMDS Comunicaciones Interactiva

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        1566        393      22  LINKdotNET-AS, EG
 24835        1287        478      26  RAYA-AS, EG
 36992        1162       1526     155  ETISALAT-MISR, EG
 36903         970        506     106  MT-MPLS, MA
 29571         707         68      12  ORANGE-COTE-IVOIRE, CI
  6713         533       1863      34  IAM-AS, MA
 36935         466        522      40  Vodafone-, EG
 23889         454        232      16  MauritiusTelecom, MU
 15399         440         46      16  WANANCHI-, KE
 37342         420         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        8140       3400     588  Uninet S.A. de C.V., MX
 47331        6258        852    3605  TTNET, TR
 12479        6214       1667     141  UNI2-AS, ES
  7545        5680        777     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        4767        316     692  CABLEONE, US
  4538        4744       4192      73  ERX-CERNET-BKB China Education and Rese
 16509        4547       9071    2107  AMAZON-02, US
  7155        4022        264      32  VIASAT-SP-BACKBONE, US
 22773        3774       3008     211  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3542       1330      21  VIETEL-AS-AP Viettel Group, VN

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        6214         6073  UNI2-AS, ES
  7545        5680         5021  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4744         4671  ERX-CERNET-BKB China Education and Research Net
 11492        4767         4075  CABLEONE, US
  7155        4022         3990  VIASAT-SP-BACKBONE, US
 22773        3774         3563  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3542         3521  VIETEL-AS-AP Viettel Group, VN
 39891        3460         3437  ALJAWWALSTC-AS, SA
  6327        3357         3274  SHAW, CA
  8551        3209         3164  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     18604  UNALLOCATED  8.25.204.0/24             3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US
    393489  UNALLOCATED  12.7.109.0/24             7018  ATT-INTERNET4, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.133.192.0/24      Origin:     16734  UNASSIGNED
                    Transit:    266201  RNV CORP EIRELI, BR
23.141.0.0/24        Origin:    395350  UNASSIGNED
                    Transit:     11426  TWC-11426-CAROLINAS, US
23.142.80.0/24       Origin:      3803  RCN-AS1, US
                    Transit:    398481  REDMERCURY, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala

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        /8:8        /9:13      /10:40      /11:101     /12:292     
/13:579     /14:1175    /15:1931    /16:13458   /17:8257    /18:13689   
/19:25574   /20:41488   /21:50540   /22:103454  /23:88035   /24:484705  
/25:1288    /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
 47331        5541        6258  TTNET, TR
 12479        5184        6214  UNI2-AS, ES
 11492        3817        4767  CABLEONE, US
  6327        3152        3357  SHAW, CA
  7155        3111        4022  VIASAT-SP-BACKBONE, US
 22773        2884        3774  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2802        3460  ALJAWWALSTC-AS, SA
  8151        2765        8140  Uninet S.A. de C.V., MX
  8551        2670        3209  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2221        2489  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1881      2:1167      3:38        4:18        5:3587      6:54     
   8:1493      9:1        11:1        12:1741     13:350      14:2405   
  15:75       16:13       17:308      18:93       20:113      23:4147   
  24:2365     25:3        27:2339     31:2174     32:112      34:1      
  35:35       36:1141     37:3539     38:2010     39:462      40:150    
  41:3849     42:880      43:2095     44:235      45:14675    46:3580   
  47:321      49:1605     50:1688     51:89       52:1126     54:216    
  55:690      56:6        57:57       58:1683     59:1146     60:817    
  61:2322     62:2197     63:2005     64:5220     65:2377     66:5109   
  67:2951     68:1172     69:4097     70:1397     71:685      72:3094   
  74:2537     75:1457     76:692      77:1982     78:3188     79:2472   
  80:1918     81:1637     82:1297     83:1094     84:1255     85:3092   
  86:621      87:1793     88:2418     89:2884     90:396      91:7184   
  92:1593     93:2555     94:2918     95:4152     96:1228     97:342    
  98:966      99:976     100:90      101:1054    102:1222    103:25096  
 104:3620    105:393     106:771     107:2184    108:690     109:3762   
 110:1998    111:2349    112:1664    113:1560    114:1426    115:1856   
 116:1864    117:2118    118:2293    119:1872    120:952     121:1052   
 122:2297    123:2157    124:1631    125:2138    128:1310    129:1266   
 130:774     131:1989    132:726     133:312     134:1391    135:326    
 136:687     137:884     138:2293    139:1171    140:736     141:1163   
 142:1049    143:1231    144:1211    145:340     146:1387    147:1209   
 148:2162    149:1246    150:757     151:1202    152:1608    153:445    
 154:2111    155:1263    156:1341    157:1150    158:903     159:2036   
 160:2053    161:1078    162:3220    163:934     164:1435    165:1318   
 166:602     167:1731    168:3621    169:632     170:4371    171:757    
 172:2029    173:2910    174:975     175:1061    176:2918    177:4449   
 178:2802    179:1878    180:2277    181:2582    182:3163    183:1518   
 184:2409    185:17616   186:4023    187:3051    188:3224    189:2690   
 190:9080    191:1423    192:10587   193:7874    194:6424    195:4570   
 196:3114    197:2207    198:6018    199:5948    200:7313    201:5279   
 202:10540   203:10180   204:4649    205:3094    206:3286    207:3320   
 208:3984    209:4621    210:4205    211:2105    212:3608    213:3198   
 214:1185    215:61      216:6132    217:2481    218:900     219:643    
 220:2088    221:934     222:987     223:1705   

End of report


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