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[apops] Weekly Routing Table Report



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@lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 25 Jan, 2020

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

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

BGP routing table entries examined:                              792806
    Prefixes after maximum aggregation (per Origin AS):          301689
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      387892
Total ASes present in the Internet Routing Table:                 66795
    Prefixes per ASN:                                             11.87
Origin-only ASes present in the Internet Routing Table:           57383
Origin ASes announcing only one prefix:                           24135
Transit ASes present in the Internet Routing Table:                9412
Transit-only ASes present in the Internet Routing Table:            291
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      34
    Max AS path prepend of ASN (206156)                              26
Prefixes from unregistered ASNs in the Routing Table:              1310
    Number of instances of unregistered ASNs:                      1310
Number of 32-bit ASNs allocated by the RIRs:                      30286
Number of 32-bit ASNs visible in the Routing Table:               24906
Prefixes from 32-bit ASNs in the Routing Table:                  114350
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            895
Number of addresses announced to Internet:                   2852684672
    Equivalent to 170 /8s, 8 /16s and 131 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.4
Total number of prefixes smaller than registry allocations:      265507

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

Prefixes being announced by APNIC Region ASes:                   210634
    Total APNIC prefixes after maximum aggregation:               61288
    APNIC Deaggregation factor:                                    3.44
Prefixes being announced from the APNIC address blocks:          204262
    Unique aggregates announced from the APNIC address blocks:    84939
APNIC Region origin ASes present in the Internet Routing Table:   10299
    APNIC Prefixes per ASN:                                       19.83
APNIC Region origin ASes announcing only one prefix:               2849
APNIC Region transit ASes present in the Internet Routing Table:   1546
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:   5357
Number of APNIC addresses announced to Internet:              768077056
    Equivalent to 45 /8s, 199 /16s and 237 /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:                    233323
    Total ARIN prefixes after maximum aggregation:               107360
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           231005
    Unique aggregates announced from the ARIN address blocks:    116626
ARIN Region origin ASes present in the Internet Routing Table:    18389
    ARIN Prefixes per ASN:                                        12.56
ARIN Region origin ASes announcing only one prefix:                6760
ARIN Region transit ASes present in the Internet Routing Table:    1910
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3139
Number of ARIN addresses announced to Internet:              1078903808
    Equivalent to 64 /8s, 78 /16s and 196 /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:                    223883
    Total RIPE prefixes after maximum aggregation:               104142
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           220672
    Unique aggregates announced from the RIPE address blocks:    130268
RIPE Region origin ASes present in the Internet Routing Table:    26746
    RIPE Prefixes per ASN:                                         8.25
RIPE Region origin ASes announcing only one prefix:               11678
RIPE Region transit ASes present in the Internet Routing Table:    3774
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:    8849
Number of RIPE addresses announced to Internet:               723569792
    Equivalent to 43 /8s, 32 /16s and 204 /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:                  102646
    Total LACNIC prefixes after maximum aggregation:              23681
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:         103793
    Unique aggregates announced from the LACNIC address blocks:   45214
LACNIC Region origin ASes present in the Internet Routing Table:   9347
    LACNIC Prefixes per ASN:                                      11.10
LACNIC Region origin ASes announcing only one prefix:              2376
LACNIC Region transit ASes present in the Internet Routing Table:  1764
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6920
Number of LACNIC addresses announced to Internet:             174043648
    Equivalent to 10 /8s, 95 /16s and 178 /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:                  21009
    Total AfriNIC prefixes after maximum aggregation:              4443
    AfriNIC Deaggregation factor:                                  4.73
Prefixes being announced from the AfriNIC address blocks:         32179
    Unique aggregates announced from the AfriNIC address blocks:  10047
AfriNIC Region origin ASes present in the Internet Routing Table:  1343
    AfriNIC Prefixes per ASN:                                     23.96
AfriNIC Region origin ASes announcing only one prefix:              472
AfriNIC Region transit ASes present in the Internet Routing Table:  264
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  641
Number of AfriNIC addresses announced to Internet:            107534592
    Equivalent to 6 /8s, 104 /16s and 217 /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        5250        642     599  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4622       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3318       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899        3122       1786     108  VNPT-AS-VN VNPT Corp, VN
  7713        2697        813     498  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2606       9043      62  CMNET-GD Guangdong Mobile Communication
  4766        2265      11101     566  KIXS-AS-KR Korea Telecom, KR
  9498        2221        433     212  BBIL-AP BHARTI Airtel Ltd., IN
  9829        2156       1377     246  BSNL-NIB National Internet Backbone, IN
  4755        2137        441     195  TATACOMM-AS TATA Communications formerl

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7155        4047        280      27  VIASAT-SP-BACKBONE, US
 11492        3907        259     651  CABLEONE, US
 16509        3789       7730    1676  AMAZON-02, US
 22773        3521       2971     152  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3364       1324      93  SHAW, CA
 16625        2966       1555    2129  AKAMAI-AS, US
 30036        2284        358      92  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2247       5075     532  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2136       2774     519  CHARTER-20115, US
 18566        2059        405     103  MEGAPATH5-, 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        5846       1630     135  UNI2-AS, ES
 39891        4034        219      19  ALJAWWALSTC-AS, SA
 31334        3423        484      13  KABELDEUTSCHLAND-AS, DE
  8551        3104        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        2803        460    1942  AKAMAI-ASN1, US
 12389        2420       2244     700  ROSTELECOM-AS, RU
  9009        2071        223    1118  M247, GB
 34984        2066        348     556  TELLCOM-AS, TR
  9121        1931       1691      18  TTNET, TR
 13188        1605        100      46  TRIOLAN, UA

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        6192       3295     610  Uninet S.A. de C.V., MX
 10620        3352        533     470  Telmex Colombia S.A., CO
 11830        2680        369      63  Instituto Costarricense de Electricidad
  6503        1683        323     390  Axtel, S.A.B. de C.V., MX
  7303        1480       1026     265  Telecom Argentina S.A., AR
 28573        1249       2235     194  CLARO S.A., BR
 13999        1168        504     285  Mega Cable, S.A. de C.V., MX
  3816        1123        561     133  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1092        379      39  Telefonica del Peru S.A.A., PE
 11172         953        112      68  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
 24835        1059        558      23  RAYA-AS, EG
 24863        1042        393      23  LINKdotNET-AS, EG
 36992        1034       1535      73  ETISALAT-MISR, EG
 36903         876        452      97  MT-MPLS, MA
  6713         619       1863      34  IAM-AS, MA
 29571         560         68      12  ORANGE-COTE-IVOIRE, CI
 37342         402         32       1  MOVITEL, MZ
 36935         371        522      42  Vodafone-, EG
 15399         352         45      10  WANANCHI-, KE
 23889         351        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        6192       3295     610  Uninet S.A. de C.V., MX
 12479        5846       1630     135  UNI2-AS, ES
  7545        5250        642     599  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4622       4192      73  ERX-CERNET-BKB China Education and Rese
  7155        4047        280      27  VIASAT-SP-BACKBONE, US
 39891        4034        219      19  ALJAWWALSTC-AS, SA
 11492        3907        259     651  CABLEONE, US
 16509        3789       7730    1676  AMAZON-02, US
 22773        3521       2971     152  ASN-CXA-ALL-CCI-22773-RDC, US
 31334        3423        484      13  KABELDEUTSCHLAND-AS, DE

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        5846         5711  UNI2-AS, ES
  7545        5250         4651  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4622         4549  ERX-CERNET-BKB China Education and Research Net
  7155        4047         4020  VIASAT-SP-BACKBONE, US
 39891        4034         4015  ALJAWWALSTC-AS, SA
 31334        3423         3410  KABELDEUTSCHLAND-AS, DE
 22773        3521         3369  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3318         3294  VIETEL-AS-AP Viettel Group, VN
  6327        3364         3271  SHAW, CA
 11492        3907         3256  CABLEONE, US

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
     17076  UNALLOCATED  8.12.244.0/24             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
     27205  UNALLOCATED  8.38.16.0/21              6461  ZAYO-6461, US
     27205  UNALLOCATED  8.38.16.0/22             32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     27205  UNALLOCATED  8.38.20.0/22             32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     14109  UNALLOCATED  8.38.252.0/24             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
23.136.224.0/24      Origin:     15206  UNASSIGNED
                    Transit:       174  COGENT-174, US
23.137.192.0/24      Origin:     31798  CANAD-86-31798, CA
                    Transit:       174  COGENT-174, 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, MY
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad, MY

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      /10:38      /11:98      /12:287     
/13:580     /14:1158    /15:1919    /16:13371   /17:8171    /18:13880   
/19:25797   /20:40454   /21:47564   /22:98314   /23:80812   /24:459006  
/25:1336    /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        4818        5846  UNI2-AS, ES
 31334        3268        3423  KABELDEUTSCHLAND-AS, DE
  6327        3152        3364  SHAW, CA
  7155        3139        4047  VIASAT-SP-BACKBONE, US
 11492        3050        3907  CABLEONE, US
 39891        2946        4034  ALJAWWALSTC-AS, SA
 22773        2740        3521  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2564        3104  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2034        2284  MEDIACOM-ENTERPRISE-BUSINESS, US
 11830        2028        2680  Instituto Costarricense de Electricidad y Telec

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

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

   1:1523      2:1155      3:24        4:19        5:3232      6:48     
   8:1375      9:1        12:1788     13:492      14:2221     15:63     
  16:9        17:283      18:79       20:58       23:3231     24:2621   
  25:4        27:2519     31:2860     32:101      35:44       36:931    
  37:3187     38:1827     39:314      40:134      41:3288     42:872    
  43:2126     44:189      45:12985    46:3624     47:275      49:1432   
  50:1562     51:344      52:1109     54:272      55:646      56:6      
  57:48       58:1887     59:1118     60:687      61:2220     62:2146   
  63:1911     64:5036     65:2327     66:4854     67:2844     68:1230   
  69:3821     70:1412     71:670      72:2779     74:2619     75:1436   
  76:667      77:2556     78:1987     79:2377     80:1836     81:1554   
  82:1203     83:1112     84:1231     85:2586     86:587      87:1692   
  88:1074     89:2682     90:286      91:7497     92:1452     93:2434   
  94:2571     95:3709     96:1011     97:337      98:961      99:965    
 100:84      101:1083    102:794     103:22994   104:3610    105:371    
 106:826     107:1869    108:698     109:3612    110:1779    111:1920   
 112:1545    113:1373    114:1502    115:1841    116:1796    117:2028   
 118:2112    119:1691    120:836     121:1032    122:2372    123:1885   
 124:1558    125:2019    128:1379    129:912     130:602     131:1846   
 132:779     133:301     134:1261    135:273     136:604     137:888    
 138:2193    139:993     140:596     141:878     142:860     143:1157   
 144:948     145:293     146:1470    147:1016    148:1901    149:1099   
 150:809     151:1269    152:1474    153:370     154:4661    155:926    
 156:3280    157:1090    158:712     159:1947    160:1717    161:992    
 162:3012    163:772     164:1429    165:1229    166:539     167:1469   
 168:3533    169:487     170:4216    171:751     172:1856    173:2365   
 174:1036    175:1009    176:2610    177:4127    178:2879    179:1412   
 180:2180    181:2348    182:2833    183:1120    184:2384    185:15962  
 186:3730    187:2576    188:3536    189:2075    190:8203    191:1470   
 192:10234   193:7304    194:5972    195:4286    196:3362    197:1768   
 198:6103    199:5941    200:7141    201:5100    202:10442   203:10221  
 204:4544    205:3075    206:3251    207:3271    208:4013    209:4367   
 210:4003    211:1992    212:3228    213:2966    214:1157    215:53     
 216:5926    217:2329    218:893     219:604     220:1981    221:920    
 222:1013    223:1387   

End of report