[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 24 18:03:35 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 25 Jul, 2020

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

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

BGP routing table entries examined:                              814194
    Prefixes after maximum aggregation (per Origin AS):          310418
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      393028
Total ASes present in the Internet Routing Table:                 68760
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           59072
Origin ASes announcing only one prefix:                           24629
Transit ASes present in the Internet Routing Table:                9688
Transit-only ASes present in the Internet Routing Table:            294
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      43
    Max AS path prepend of ASN ( 22394)                              38
Prefixes from unregistered ASNs in the Routing Table:               888
    Number of instances of unregistered ASNs:                       889
Number of 32-bit ASNs allocated by the RIRs:                      32659
Number of 32-bit ASNs visible in the Routing Table:               26937
Prefixes from 32-bit ASNs in the Routing Table:                  125451
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            541
Number of addresses announced to Internet:                   2844321792
    Equivalent to 169 /8s, 136 /16s and 232 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    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:      271894

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

Prefixes being announced by APNIC Region ASes:                   215102
    Total APNIC prefixes after maximum aggregation:               63206
    APNIC Deaggregation factor:                                    3.40
Prefixes being announced from the APNIC address blocks:          208816
    Unique aggregates announced from the APNIC address blocks:    86144
APNIC Region origin ASes present in the Internet Routing Table:   10764
    APNIC Prefixes per ASN:                                       19.40
APNIC Region origin ASes announcing only one prefix:               3033
APNIC Region transit ASes present in the Internet Routing Table:   1595
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5841
Number of APNIC addresses announced to Internet:              768747904
    Equivalent to 45 /8s, 210 /16s and 41 /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:                    239350
    Total ARIN prefixes after maximum aggregation:               109945
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           236651
    Unique aggregates announced from the ARIN address blocks:    115635
ARIN Region origin ASes present in the Internet Routing Table:    18547
    ARIN Prefixes per ASN:                                        12.76
ARIN Region origin ASes announcing only one prefix:                6789
ARIN Region transit ASes present in the Internet Routing Table:    1906
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:    3328
Number of ARIN addresses announced to Internet:              1082153728
    Equivalent to 64 /8s, 128 /16s and 91 /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:                    226638
    Total RIPE prefixes after maximum aggregation:               106875
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           223164
    Unique aggregates announced from the RIPE address blocks:    134768
RIPE Region origin ASes present in the Internet Routing Table:    27227
    RIPE Prefixes per ASN:                                         8.20
RIPE Region origin ASes announcing only one prefix:               11774
RIPE Region transit ASes present in the Internet Routing Table:    3841
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9338
Number of RIPE addresses announced to Internet:               709374592
    Equivalent to 42 /8s, 72 /16s and 50 /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:                  109016
    Total LACNIC prefixes after maximum aggregation:              25108
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         110175
    Unique aggregates announced from the LACNIC address blocks:   46905
LACNIC Region origin ASes present in the Internet Routing Table:  10131
    LACNIC Prefixes per ASN:                                      10.88
LACNIC Region origin ASes announcing only one prefix:              2531
LACNIC Region transit ASes present in the Internet Routing Table:  1905
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        43
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7717
Number of LACNIC addresses announced to Internet:             174549504
    Equivalent to 10 /8s, 103 /16s and 106 /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:                  23199
    Total AfriNIC prefixes after maximum aggregation:              4618
    AfriNIC Deaggregation factor:                                  5.02
Prefixes being announced from the AfriNIC address blocks:         34847
    Unique aggregates announced from the AfriNIC address blocks:   9160
AfriNIC Region origin ASes present in the Internet Routing Table:  1423
    AfriNIC Prefixes per ASN:                                     24.49
AfriNIC Region origin ASes announcing only one prefix:              502
AfriNIC Region transit ASes present in the Internet Routing Table:  284
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  713
Number of AfriNIC addresses announced to Internet:            109054976
    Equivalent to 6 /8s, 128 /16s and 12 /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        5507        749     656  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3440       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3166       1835     107  VNPT-AS-VN VNPT Corp, VN
  7713        2723        828     548  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2523       9043      60  CMNET-GD Guangdong Mobile Communication
  9498        2290        450     227  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2273      11101     552  KIXS-AS-KR Korea Telecom, KR
  4755        2132        441     192  TATACOMM-AS TATA Communications formerl
  9394        2035       4914      18  CTTNET China TieTong Telecommunications

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        4497        302     628  CABLEONE, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 16509        4028       8145    1822  AMAZON-02, US
 22773        3596       2970     166  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3348       1323      84  SHAW, CA
 16625        3112       1644    2236  AKAMAI-AS, US
   209        2460       5074     525  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2423        364     190  MEDIACOM-ENTERPRISE-BUSINESS, US
 26484        2399        150     298  IKGUL-26484, US
  5650        2307       2981    1623  FRONTIER-FRTR, 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        5927       1652     135  UNI2-AS, ES
  8551        3229        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3109       2221    1025  AKAMAI-ASN1, EU
 39891        2879        171      19  ALJAWWALSTC-AS, SA
 12389        2557       2263     758  ROSTELECOM-AS, RU
 34984        2169        354     567  TELLCOM-AS, TR
  9009        2101        216    1146  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1389        157     596  ASDETUK http://www.heficed.com, GB
 12357        1157        313     655  COMUNITEL SPAIN, ES

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        7303       3302     605  Uninet S.A. de C.V., MX
 10620        3365        530     528  Telmex Colombia S.A., CO
 11830        2471        369      63  Instituto Costarricense de Electricidad
  6503        1702        325     381  Axtel, S.A.B. de C.V., MX
  7303        1492        962     255  Telecom Argentina S.A., AR
 28573        1420       2246     215  CLARO S.A., BR
 13999        1387        498     373  Mega Cable, S.A. de C.V., MX
  6147        1128        379      39  Telefonica del Peru S.A.A., PE
  3816        1120        568     152  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172         953        111      69  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        1493        393      22  LINKdotNET-AS, EG
 24835        1123        474      23  RAYA-AS, EG
 36992        1115       1539      76  ETISALAT-MISR, EG
 36903         917        480      93  MT-MPLS, MA
 29571         629         68      12  ORANGE-COTE-IVOIRE, CI
  6713         553       1863      34  IAM-AS, MA
 15399         491         45      12  WANANCHI-, KE
 37342         482         32       1  MOVITEL, MZ
 36935         460        522      41  Vodafone-, EG
 23889         344        231      15  MauritiusTelecom, MU

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        7303       3302     605  Uninet S.A. de C.V., MX
 12479        5927       1652     135  UNI2-AS, ES
  7545        5507        749     656  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4497        302     628  CABLEONE, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 16509        4028       8145    1822  AMAZON-02, US
 22773        3596       2970     166  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3440       1330      21  VIETEL-AS-AP Viettel Group, VN
 10620        3365        530     528  Telmex Colombia S.A., CO

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        5927         5792  UNI2-AS, ES
  7545        5507         4851  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743         4670  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4497         3869  CABLEONE, US
 22773        3596         3430  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3440         3419  VIETEL-AS-AP Viettel Group, VN
  6327        3348         3264  SHAW, CA
  8551        3229         3184  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899        3166         3059  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  Net Originated      Transit AS  Transit AS Name
     22357  UNALLOCATED  8.7.108.0/24              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     62485  UNALLOCATED  8.23.229.0/24             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
     26584  UNALLOCATED  8.42.62.0/23               209  CENTURYLINK-US-LEGACY-QWEST,
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, 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
23.162.16.0/24       Origin:    398638  JELLYDIGITAL, US
                    Transit:    395565  MIEMX, 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
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.158.0/23      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        /8:9        /9:11      /10:38      /11:100     /12:286     
/13:575     /14:1174    /15:1921    /16:13378   /17:8293    /18:14049   
/19:25921   /20:40937   /21:49145   /22:101461  /23:84180   /24:471428  
/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
 12479        4952        5927  UNI2-AS, ES
 11492        3549        4497  CABLEONE, US
  6327        3143        3348  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
 22773        2789        3596  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2688        3229  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151        2494        7303  Uninet S.A. de C.V., MX
 39891        2417        2879  ALJAWWALSTC-AS, SA
 30036        2166        2423  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1993        2307  FRONTIER-FRTR, US

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

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

   1:1581      2:1140      3:30        4:19        5:3399      6:52     
   8:1466      9:1        11:1        12:1787     13:509      14:2284   
  15:72       16:8        17:292      18:82       20:110      23:3783   
  24:2320     25:3        27:2522     31:2161     32:128      34:1      
  35:42       36:984      37:3317     38:1905     39:443      40:127    
  41:3684     42:625      43:2132     44:204      45:14576    46:3718   
  47:318      49:1475     50:1541     51:90       52:1108     54:226    
  55:675      56:6        57:51       58:1771     59:1187     60:768    
  61:2307     62:2124     63:1998     64:5228     65:2343     66:5040   
  67:2881     68:1174     69:4012     70:1396     71:677      72:2856   
  74:2607     75:1454     76:653      77:1937     78:1646     79:2413   
  80:2036     81:1635     82:1333     83:1261     84:1230     85:2618   
  86:545      87:1745     88:949      89:2774     90:344      91:7097   
  92:1559     93:2506     94:2740     95:3246     96:1230     97:338    
  98:920      99:977     100:86      101:996     102:1014    103:23976  
 104:3463    105:400     106:884     107:2050    108:714     109:3705   
 110:1933    111:2038    112:1637    113:1358    114:1525    115:1833   
 116:1778    117:2090    118:2138    119:1720    120:825     121:1044   
 122:2443    123:2000    124:1617    125:2122    128:1365    129:1209   
 130:680     131:1868    132:773     133:305     134:1380    135:299    
 136:623     137:860     138:2237    139:1017    140:701     141:1056   
 142:937     143:1251    144:1098    145:364     146:1377    147:1006   
 148:2112    149:1232    150:804     151:1071    152:1491    153:418    
 154:4569    155:1122    156:3067    157:1116    158:865     159:1973   
 160:1911    161:1058    162:3130    163:884     164:1530    165:1297   
 166:568     167:1618    168:3544    169:586     170:4284    171:785    
 172:1948    173:2586    174:984     175:1058    176:2524    177:4728   
 178:2719    179:1573    180:2252    181:2516    182:3102    183:1163   
 184:2416    185:16600   186:3846    187:2911    188:3232    189:2528   
 190:8844    191:1376    192:10398   193:7568    194:6286    195:4439   
 196:3143    197:2033    198:6133    199:5879    200:7285    201:5212   
 202:10547   203:10232   204:4566    205:3084    206:3182    207:3276   
 208:4044    209:4508    210:3997    211:2020    212:3407    213:3150   
 214:1164    215:62      216:6058    217:2421    218:865     219:613    
 220:2047    221:914     222:1004    223:1602   

End of report


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