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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 05 Sep, 2020

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

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

BGP routing table entries examined:                              821017
    Prefixes after maximum aggregation (per Origin AS):          312846
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      395670
Total ASes present in the Internet Routing Table:                 69243
    Prefixes per ASN:                                             11.86
Origin-only ASes present in the Internet Routing Table:           59481
Origin ASes announcing only one prefix:                           24693
Transit ASes present in the Internet Routing Table:                9762
Transit-only ASes present in the Internet Routing Table:            303
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      45
    Max AS path prepend of ASN ( 37385)                              42
Prefixes from unregistered ASNs in the Routing Table:               812
    Number of instances of unregistered ASNs:                       828
Number of 32-bit ASNs allocated by the RIRs:                      33339
Number of 32-bit ASNs visible in the Routing Table:               27491
Prefixes from 32-bit ASNs in the Routing Table:                  127658
Number of bogon 32-bit ASNs visible in the Routing Table:            30
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            427
Number of addresses announced to Internet:                   2851819264
    Equivalent to 169 /8s, 251 /16s and 79 /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:               99.5
Total number of prefixes smaller than registry allocations:      274951

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

Prefixes being announced by APNIC Region ASes:                   216770
    Total APNIC prefixes after maximum aggregation:               63346
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          210584
    Unique aggregates announced from the APNIC address blocks:    86530
APNIC Region origin ASes present in the Internet Routing Table:   10836
    APNIC Prefixes per ASN:                                       19.43
APNIC Region origin ASes announcing only one prefix:               3038
APNIC Region transit ASes present in the Internet Routing Table:   1596
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5932
Number of APNIC addresses announced to Internet:              770417536
    Equivalent to 45 /8s, 235 /16s and 163 /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:                    240383
    Total ARIN prefixes after maximum aggregation:               110652
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           237989
    Unique aggregates announced from the ARIN address blocks:    116491
ARIN Region origin ASes present in the Internet Routing Table:    18558
    ARIN Prefixes per ASN:                                        12.82
ARIN Region origin ASes announcing only one prefix:                6766
ARIN Region transit ASes present in the Internet Routing Table:    1895
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:    3387
Number of ARIN addresses announced to Internet:              1087433984
    Equivalent to 64 /8s, 208 /16s and 237 /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:                    228936
    Total RIPE prefixes after maximum aggregation:               107842
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           225151
    Unique aggregates announced from the RIPE address blocks:    135407
RIPE Region origin ASes present in the Internet Routing Table:    27329
    RIPE Prefixes per ASN:                                         8.24
RIPE Region origin ASes announcing only one prefix:               11778
RIPE Region transit ASes present in the Internet Routing Table:    3861
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9444
Number of RIPE addresses announced to Internet:               709206912
    Equivalent to 42 /8s, 69 /16s and 163 /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:                  110654
    Total LACNIC prefixes after maximum aggregation:              25585
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:         111793
    Unique aggregates announced from the LACNIC address blocks:   47526
LACNIC Region origin ASes present in the Internet Routing Table:  10424
    LACNIC Prefixes per ASN:                                      10.72
LACNIC Region origin ASes announcing only one prefix:              2610
LACNIC Region transit ASes present in the Internet Routing Table:  1959
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8008
Number of LACNIC addresses announced to Internet:             174659840
    Equivalent to 10 /8s, 105 /16s and 25 /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:                  23461
    Total AfriNIC prefixes after maximum aggregation:              4779
    AfriNIC Deaggregation factor:                                  4.91
Prefixes being announced from the AfriNIC address blocks:         35073
    Unique aggregates announced from the AfriNIC address blocks:   9372
AfriNIC Region origin ASes present in the Internet Routing Table:  1425
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              501
AfriNIC Region transit ASes present in the Internet Routing Table:  283
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  720
Number of AfriNIC addresses announced to Internet:            109680896
    Equivalent to 6 /8s, 137 /16s and 153 /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        5665        767     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4740       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3516       1330      22  VIETEL-AS-AP Viettel Group, VN
 45899        3463       1896      52  VNPT-AS-VN VNPT Corp, VN
  7713        2732        830     553  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2520       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2349      11103     555  KIXS-AS-KR Korea Telecom, KR
  9498        2284        450     224  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2144        441     192  TATACOMM-AS TATA Communications formerl
  9394        2046       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        4552        305     650  CABLEONE, US
 16509        4231       8250    1943  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3624       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3362       1323      82  SHAW, CA
 16625        3146       1663    2252  AKAMAI-AS, US
 30036        2452        366     136  MEDIACOM-ENTERPRISE-BUSINESS, US
 26484        2449        153     333  IKGUL-26484, US
   209        2446       5073     520  CENTURYLINK-US-LEGACY-QWEST, US
  5650        2309       2981    1625  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        5987       1652     135  UNI2-AS, ES
 20940        3201       2217    1027  AKAMAI-ASN1, EU
  8551        3189        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        3073        179      21  ALJAWWALSTC-AS, SA
 12389        2672       2272     842  ROSTELECOM-AS, RU
 34984        2166        353     572  TELLCOM-AS, TR
  9009        2151        226    1173  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1335        157     580  ASDETUK http://www.heficed.com, GB
 58224        1260        833     521  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        7470       3293     615  Uninet S.A. de C.V., MX
 10620        3372        530     515  Telmex Colombia S.A., CO
 11830        2565        369      63  Instituto Costarricense de Electricidad
  6503        1619        323     413  Axtel, S.A.B. de C.V., MX
  7303        1480        953     262  Telecom Argentina S.A., AR
 13999        1454        483     384  Mega Cable, S.A. de C.V., MX
 28573        1360       2246     223  CLARO S.A., BR
  3816        1135        575     154  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1122        379      39  Telefonica del Peru S.A.A., PE
 11172         957        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        1434        393      22  LINKdotNET-AS, EG
 36992        1126       1539      75  ETISALAT-MISR, EG
 24835        1105        462      27  RAYA-AS, EG
 36903         917        480      93  MT-MPLS, MA
 29571         672         68      12  ORANGE-COTE-IVOIRE, CI
  6713         553       1863      34  IAM-AS, MA
 15399         495         46      15  WANANCHI-, KE
 37342         481         32       1  MOVITEL, MZ
 36935         449        519      37  Vodafone-, EG
 23889         345        232      16  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        7470       3293     615  Uninet S.A. de C.V., MX
 12479        5987       1652     135  UNI2-AS, ES
  7545        5665        767     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4740       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4552        305     650  CABLEONE, US
 16509        4231       8250    1943  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3624       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3516       1330      22  VIETEL-AS-AP Viettel Group, VN
 45899        3463       1896      52  VNPT-AS-VN VNPT Corp, 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        5987         5852  UNI2-AS, ES
  7545        5665         4990  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4740         4667  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4552         3902  CABLEONE, US
  7552        3516         3494  VIETEL-AS-AP Viettel Group, VN
 22773        3624         3451  ASN-CXA-ALL-CCI-22773-RDC, US
 45899        3463         3411  VNPT-AS-VN VNPT Corp, VN
  6327        3362         3280  SHAW, CA
  8551        3189         3144  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
     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
     36270  UNALLOCATED  8.24.66.0/24              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

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
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
41.78.164.0/24       Origin:    328013  ISPAfrika, ZA
                    Transit:     37179  AFRICAINX, ZA

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      /10:39      /11:100     /12:286     
/13:576     /14:1175    /15:1936    /16:13477   /17:8301    /18:14041   
/19:25910   /20:41127   /21:49318   /22:102244  /23:85243   /24:475948  
/25:1276    /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        5005        5987  UNI2-AS, ES
 11492        3619        4552  CABLEONE, US
  6327        3159        3362  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
 22773        2804        3624  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2648        3189  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151        2614        7470  Uninet S.A. de C.V., MX
 39891        2609        3073  ALJAWWALSTC-AS, SA
 30036        2195        2452  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1994        2309  FRONTIER-FRTR, US

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

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

   1:1622      2:1118      3:33        4:19        5:3588      6:54     
   8:1469      9:1        11:1        12:1771     13:460      14:2306   
  15:72       16:8        17:294      18:85       20:111      23:3965   
  24:2346     25:3        27:2310     31:2174     32:121      34:1      
  35:43       36:983      37:3405     38:1891     39:451      40:129    
  41:3691     42:637      43:2152     44:218      45:14894    46:3606   
  47:320      49:1530     50:1632     51:90       52:1109     54:227    
  55:565      56:6        57:52       58:1675     59:1197     60:790    
  61:2304     62:2150     63:2015     64:5232     65:2347     66:5084   
  67:2891     68:1170     69:4061     70:1401     71:677      72:2896   
  74:2572     75:1456     76:670      77:1958     78:1667     79:2470   
  80:2069     81:1612     82:1319     83:1253     84:1233     85:2669   
  86:562      87:1758     88:962      89:2832     90:360      91:7111   
  92:1562     93:2504     94:2780     95:3272     96:1258     97:341    
  98:920      99:980     100:87      101:1022    102:1070    103:24309  
 104:3556    105:393     106:899     107:2110    108:733     109:3647   
 110:1974    111:2064    112:1649    113:1395    114:1531    115:1841   
 116:1796    117:2086    118:2158    119:1736    120:840     121:1057   
 122:2535    123:2053    124:1642    125:2127    128:1393    129:1226   
 130:722     131:1924    132:759     133:306     134:1364    135:308    
 136:644     137:869     138:2263    139:1025    140:713     141:1089   
 142:961     143:1219    144:1158    145:368     146:1376    147:1023   
 148:2122    149:1185    150:772     151:1077    152:1560    153:426    
 154:4533    155:1218    156:3003    157:1119    158:866     159:1972   
 160:1962    161:1063    162:3166    163:902     164:1523    165:1329   
 166:584     167:1661    168:3522    169:591     170:4299    171:773    
 172:1985    173:2668    174:976     175:1053    176:2678    177:4795   
 178:2693    179:1783    180:2280    181:2542    182:3115    183:1172   
 184:2432    185:16919   186:3816    187:2952    188:3322    189:2619   
 190:8942    191:1384    192:10387   193:7686    194:6295    195:4530   
 196:3110    197:2036    198:6105    199:5924    200:7331    201:5225   
 202:10581   203:10204   204:4612    205:3118    206:3171    207:3259   
 208:4005    209:4514    210:4187    211:2043    212:3482    213:3256   
 214:1170    215:62      216:6128    217:2442    218:851     219:614    
 220:2059    221:910     222:1002    223:1672   

End of report