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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 12 Sep, 2020

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

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

BGP routing table entries examined:                              821585
    Prefixes after maximum aggregation (per Origin AS):          312847
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      392371
Total ASes present in the Internet Routing Table:                 69335
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           59579
Origin ASes announcing only one prefix:                           24748
Transit ASes present in the Internet Routing Table:                9756
Transit-only ASes present in the Internet Routing Table:            305
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      47
    Max AS path prepend of ASN ( 37385)                              44
Prefixes from unregistered ASNs in the Routing Table:               842
    Number of instances of unregistered ASNs:                       843
Number of 32-bit ASNs allocated by the RIRs:                      33414
Number of 32-bit ASNs visible in the Routing Table:               27577
Prefixes from 32-bit ASNs in the Routing Table:                  128046
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            452
Number of addresses announced to Internet:                   2851880192
    Equivalent to 169 /8s, 252 /16s and 61 /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:      275573

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

Prefixes being announced by APNIC Region ASes:                   216134
    Total APNIC prefixes after maximum aggregation:               63434
    APNIC Deaggregation factor:                                    3.41
Prefixes being announced from the APNIC address blocks:          209910
    Unique aggregates announced from the APNIC address blocks:    86558
APNIC Region origin ASes present in the Internet Routing Table:   10854
    APNIC Prefixes per ASN:                                       19.34
APNIC Region origin ASes announcing only one prefix:               3052
APNIC Region transit ASes present in the Internet Routing Table:   1595
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:   5946
Number of APNIC addresses announced to Internet:              770547072
    Equivalent to 45 /8s, 237 /16s and 157 /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:                    240717
    Total ARIN prefixes after maximum aggregation:               110220
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           238416
    Unique aggregates announced from the ARIN address blocks:    112601
ARIN Region origin ASes present in the Internet Routing Table:    18561
    ARIN Prefixes per ASN:                                        12.84
ARIN Region origin ASes announcing only one prefix:                6773
ARIN Region transit ASes present in the Internet Routing Table:    1903
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:    3397
Number of ARIN addresses announced to Internet:              1087692288
    Equivalent to 64 /8s, 212 /16s and 222 /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:                    228762
    Total RIPE prefixes after maximum aggregation:               107967
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           225074
    Unique aggregates announced from the RIPE address blocks:    135576
RIPE Region origin ASes present in the Internet Routing Table:    27363
    RIPE Prefixes per ASN:                                         8.23
RIPE Region origin ASes announcing only one prefix:               11824
RIPE Region transit ASes present in the Internet Routing Table:    3858
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9478
Number of RIPE addresses announced to Internet:               709144704
    Equivalent to 42 /8s, 68 /16s and 176 /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:                  111437
    Total LACNIC prefixes after maximum aggregation:              25692
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         112580
    Unique aggregates announced from the LACNIC address blocks:   47556
LACNIC Region origin ASes present in the Internet Routing Table:  10456
    LACNIC Prefixes per ASN:                                      10.77
LACNIC Region origin ASes announcing only one prefix:              2602
LACNIC Region transit ASes present in the Internet Routing Table:  1956
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:  8042
Number of LACNIC addresses announced to Internet:             174493952
    Equivalent to 10 /8s, 102 /16s and 145 /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:                  23692
    Total AfriNIC prefixes after maximum aggregation:              4869
    AfriNIC Deaggregation factor:                                  4.87
Prefixes being announced from the AfriNIC address blocks:         35153
    Unique aggregates announced from the AfriNIC address blocks:   9710
AfriNIC Region origin ASes present in the Internet Routing Table:  1413
    AfriNIC Prefixes per ASN:                                     24.88
AfriNIC Region origin ASes announcing only one prefix:              497
AfriNIC Region transit ASes present in the Internet Routing Table:  286
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  714
Number of AfriNIC addresses announced to Internet:            109565184
    Equivalent to 6 /8s, 135 /16s and 213 /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        5671        766     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4501       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3530       1330      22  VIETEL-AS-AP Viettel Group, VN
 45899        3220       1896      52  VNPT-AS-VN VNPT Corp, VN
  7713        2713        828     622  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2518       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2349      11103     555  KIXS-AS-KR Korea Telecom, KR
  9498        2289        450     227  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2147        441     193  TATACOMM-AS TATA Communications formerl
  9394        2039       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        4621        329     153  CABLEONE, US
 16509        4247       8250    1949  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3631       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3352       1323      82  SHAW, CA
 16625        3138       1660    2250  AKAMAI-AS, US
   209        2489       5060     526  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2457        367     116  MEDIACOM-ENTERPRISE-BUSINESS, US
 26484        2449        153     333  IKGUL-26484, US
  5650        2310       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        6053       1652     135  UNI2-AS, ES
 20940        3203       2218    1028  AKAMAI-ASN1, EU
  8551        3179        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        3073        179      21  ALJAWWALSTC-AS, SA
 12389        2749       2275     859  ROSTELECOM-AS, RU
 34984        2200        355     572  TELLCOM-AS, TR
  9009        2153        226    1172  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1353        154     577  ASDETUK http://www.heficed.com, GB
 58224        1279        834     519  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        7945       3339     613  Uninet S.A. de C.V., MX
 10620        3375        529     522  Telmex Colombia S.A., CO
 11830        2565        369      63  Instituto Costarricense de Electricidad
  6503        1632        323     414  Axtel, S.A.B. de C.V., MX
  7303        1477        950     286  Telecom Argentina S.A., AR
 13999        1423        469     381  Mega Cable, S.A. de C.V., MX
 28573        1363       2247     225  CLARO S.A., BR
  3816        1136        575     155  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1124        379      39  Telefonica del Peru S.A.A., PE
 11664         958        209     410  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        1427        393      22  LINKdotNET-AS, EG
 36992        1131       1539      75  ETISALAT-MISR, EG
 24835        1105        462      27  RAYA-AS, EG
 36903         917        480      93  MT-MPLS, MA
 29571         681         68      12  ORANGE-COTE-IVOIRE, CI
  6713         553       1863      34  IAM-AS, MA
 15399         494         46      15  WANANCHI-, KE
 37342         481         32       1  MOVITEL, MZ
 36935         448        519      37  Vodafone-, EG
 37148         403         43      95  globacom-as, NG

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        7945       3339     613  Uninet S.A. de C.V., MX
 12479        6053       1652     135  UNI2-AS, ES
  7545        5671        766     674  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        4621        329     153  CABLEONE, US
  4538        4501       4192      73  ERX-CERNET-BKB China Education and Rese
 16509        4247       8250    1949  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3631       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3530       1330      22  VIETEL-AS-AP Viettel Group, VN
 10620        3375        529     522  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        6053         5918  UNI2-AS, ES
  7545        5671         4997  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        4621         4468  CABLEONE, US
  4538        4501         4428  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
  7552        3530         3508  VIETEL-AS-AP Viettel Group, VN
 22773        3631         3458  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3352         3270  SHAW, CA
 45899        3220         3168  VNPT-AS-VN VNPT Corp, VN
  8551        3179         3134  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
23.142.80.0/24       Origin:     10753  LVLT-10753, US
                    Transit:      3356  LEVEL3, US
23.157.0.0/24        Origin:    395101  UNASSIGNED
                    Transit:     33657  CMCS, US
23.164.80.0/24       Origin:     31998  KDSNET, US
                    Transit:       209  CENTURYLINK-US-LEGACY-QWEST, 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        /8:9        /9:11      /10:39      /11:100     /12:286     
/13:576     /14:1175    /15:1937    /16:13486   /17:8295    /18:14036   
/19:25605   /20:41040   /21:49501   /22:102262  /23:85380   /24:476574  
/25:1273    /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        5039        6053  UNI2-AS, ES
 11492        3666        4621  CABLEONE, US
  6327        3149        3352  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
 22773        2810        3631  ASN-CXA-ALL-CCI-22773-RDC, US
  8151        2767        7945  Uninet S.A. de C.V., MX
  8551        2638        3179  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891        2609        3073  ALJAWWALSTC-AS, SA
 30036        2200        2457  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1994        2310  FRONTIER-FRTR, US

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

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

   1:1628      2:1122      3:33        4:19        5:3601      6:54     
   8:1469      9:1        11:1        12:1770     13:346      14:2328   
  15:72       16:8        17:295      18:85       20:111      23:3994   
  24:2348     25:3        27:2324     31:2153     32:121      34:1      
  35:43       36:982      37:3445     38:1873     39:458      40:144    
  41:3690     42:635      43:2155     44:215      45:14926    46:3512   
  47:320      49:1510     50:1636     51:90       52:1114     54:226    
  55:651      56:6        57:52       58:1630     59:1155     60:790    
  61:2310     62:2151     63:2012     64:5275     65:2346     66:5082   
  67:2895     68:1170     69:4075     70:1401     71:677      72:2979   
  74:2573     75:1457     76:671      77:1951     78:1668     79:2403   
  80:2069     81:1601     82:1325     83:1264     84:1237     85:2681   
  86:557      87:1764     88:933      89:2814     90:379      91:7127   
  92:1561     93:2505     94:2788     95:3272     96:1256     97:340    
  98:920      99:980     100:88      101:1021    102:1085    103:24337  
 104:3560    105:395     106:900     107:2098    108:734     109:3722   
 110:1975    111:2051    112:1651    113:1387    114:1529    115:1841   
 116:1802    117:2091    118:2156    119:1719    120:845     121:1052   
 122:2533    123:2034    124:1647    125:2107    128:1414    129:1233   
 130:724     131:1915    132:754     133:306     134:1366    135:313    
 136:617     137:875     138:2269    139:1027    140:716     141:1095   
 142:970     143:1244    144:1168    145:366     146:1386    147:1039   
 148:2133    149:1190    150:768     151:1073    152:1563    153:427    
 154:4507    155:1223    156:3013    157:1127    158:869     159:1977   
 160:1970    161:1075    162:3159    163:914     164:1524    165:1321   
 166:587     167:1668    168:3522    169:592     170:4327    171:778    
 172:1989    173:2700    174:978     175:1045    176:2725    177:4809   
 178:2690    179:1814    180:2281    181:2556    182:3113    183:1178   
 184:2435    185:16947   186:3900    187:3027    188:3335    189:2670   
 190:8969    191:1419    192:10397   193:7674    194:6287    195:4529   
 196:3116    197:2051    198:6098    199:5923    200:7270    201:5246   
 202:10564   203:10205   204:4628    205:3108    206:3176    207:3261   
 208:4019    209:4526    210:4177    211:2032    212:3477    213:3262   
 214:1177    215:60      216:6109    217:2446    218:853     219:612    
 220:2059    221:910     222:986     223:1678   

End of report