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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 03 Oct, 2020

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

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

BGP routing table entries examined:                              825359
    Prefixes after maximum aggregation (per Origin AS):          314351
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      397439
Total ASes present in the Internet Routing Table:                 69555
    Prefixes per ASN:                                             11.87
Origin-only ASes present in the Internet Routing Table:           59753
Origin ASes announcing only one prefix:                           24749
Transit ASes present in the Internet Routing Table:                9802
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:                                      53
    Max AS path prepend of ASN ( 29951)                              51
Prefixes from unregistered ASNs in the Routing Table:               846
    Number of instances of unregistered ASNs:                       847
Number of 32-bit ASNs allocated by the RIRs:                      33664
Number of 32-bit ASNs visible in the Routing Table:               27841
Prefixes from 32-bit ASNs in the Routing Table:                  129355
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:            459
Number of addresses announced to Internet:                   2862713472
    Equivalent to 170 /8s, 161 /16s and 138 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      276628

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

Prefixes being announced by APNIC Region ASes:                   217410
    Total APNIC prefixes after maximum aggregation:               63639
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          211241
    Unique aggregates announced from the APNIC address blocks:    86657
APNIC Region origin ASes present in the Internet Routing Table:   10890
    APNIC Prefixes per ASN:                                       19.40
APNIC Region origin ASes announcing only one prefix:               3045
APNIC Region transit ASes present in the Internet Routing Table:   1596
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6007
Number of APNIC addresses announced to Internet:              778823680
    Equivalent to 46 /8s, 107 /16s and 232 /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:                    241089
    Total ARIN prefixes after maximum aggregation:               110999
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           238805
    Unique aggregates announced from the ARIN address blocks:    116832
ARIN Region origin ASes present in the Internet Routing Table:    18606
    ARIN Prefixes per ASN:                                        12.83
ARIN Region origin ASes announcing only one prefix:                6777
ARIN Region transit ASes present in the Internet Routing Table:    1905
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          53
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3444
Number of ARIN addresses announced to Internet:              1090132480
    Equivalent to 64 /8s, 250 /16s and 26 /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:                    230770
    Total RIPE prefixes after maximum aggregation:               108541
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           226812
    Unique aggregates announced from the RIPE address blocks:    136044
RIPE Region origin ASes present in the Internet Routing Table:    27423
    RIPE Prefixes per ASN:                                         8.27
RIPE Region origin ASes announcing only one prefix:               11829
RIPE Region transit ASes present in the Internet Routing Table:    3880
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:    9546
Number of RIPE addresses announced to Internet:               709350784
    Equivalent to 42 /8s, 71 /16s and 213 /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:                  111496
    Total LACNIC prefixes after maximum aggregation:              25729
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:         112649
    Unique aggregates announced from the LACNIC address blocks:   47778
LACNIC Region origin ASes present in the Internet Routing Table:  10532
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2602
LACNIC Region transit ASes present in the Internet Routing Table:  1967
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8118
Number of LACNIC addresses announced to Internet:             174326272
    Equivalent to 10 /8s, 100 /16s and 2 /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:                  23747
    Total AfriNIC prefixes after maximum aggregation:              4773
    AfriNIC Deaggregation factor:                                  4.98
Prefixes being announced from the AfriNIC address blocks:         35393
    Unique aggregates announced from the AfriNIC address blocks:   9754
AfriNIC Region origin ASes present in the Internet Routing Table:  1419
    AfriNIC Prefixes per ASN:                                     24.94
AfriNIC Region origin ASes announcing only one prefix:              496
AfriNIC Region transit ASes present in the Internet Routing Table:  291
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       49
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  726
Number of AfriNIC addresses announced to Internet:            109619712
    Equivalent to 6 /8s, 136 /16s and 170 /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        5645        766     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4193      74  ERX-CERNET-BKB China Education and Rese
  7552        3604       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3242       1896      51  VNPT-AS-VN VNPT Corp, VN
  7713        2713        829     625  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2550       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2348      11103     554  KIXS-AS-KR Korea Telecom, KR
  9498        2301        450     231  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2145        441     193  TATACOMM-AS TATA Communications formerl
  9394        2042       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        4589        307     658  CABLEONE, US
 16509        4339       8612    1998  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3653       2985     181  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3349       1323      82  SHAW, CA
 16625        3082       1623    2214  AKAMAI-AS, US
   209        2483       5060     521  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2472        367      99  MEDIACOM-ENTERPRISE-BUSINESS, US
 26484        2393        150     315  IKGUL-26484, US
  5650        2312       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        6193       1652     136  UNI2-AS, ES
 39891        3652        203      21  ALJAWWALSTC-AS, SA
  8551        3438        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3208       2221    1030  AKAMAI-ASN1, EU
 12389        2759       2275     864  ROSTELECOM-AS, RU
 34984        2197        355     572  TELLCOM-AS, TR
  9009        2182        242    1184  M247, GB
 13188        1610        100      31  TRIOLAN, UA
 58224        1272        839     520  TCI, IR
 61317        1271        153     587  ASDETUK http://www.heficed.com, GB

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        8094       3327     605  Uninet S.A. de C.V., MX
 10620        3393        531     511  Telmex Colombia S.A., CO
 11830        2558        369      63  Instituto Costarricense de Electricidad
  6503        1631        323     414  Axtel, S.A.B. de C.V., MX
  7303        1482        953     268  Telecom Argentina S.A., AR
 13999        1450        458     386  Mega Cable, S.A. de C.V., MX
 28573        1355       2253     219  CLARO S.A., BR
  3816        1155        577     160  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1146        379      39  Telefonica del Peru S.A.A., PE
 11664         968        210     400  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        1428        393      22  LINKdotNET-AS, EG
 36992        1182       1527     125  ETISALAT-MISR, EG
 24835        1106        464      28  RAYA-AS, EG
 36903         918        480      94  MT-MPLS, MA
 29571         701         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         450        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        8094       3327     605  Uninet S.A. de C.V., MX
 12479        6193       1652     136  UNI2-AS, ES
  7545        5645        766     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743       4193      74  ERX-CERNET-BKB China Education and Rese
 11492        4589        307     658  CABLEONE, US
 16509        4339       8612    1998  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3653       2985     181  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        3652        203      21  ALJAWWALSTC-AS, SA
  7552        3604       1330      21  VIETEL-AS-AP Viettel Group, VN

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

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

   ASN  No of nets  Net Savings  Description
 12479        6193         6057  UNI2-AS, ES
  7545        5645         4968  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4743         4669  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4589         3931  CABLEONE, US
 39891        3652         3631  ALJAWWALSTC-AS, SA
  7552        3604         3583  VIETEL-AS-AP Viettel Group, VN
 22773        3653         3472  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        3438         3393  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  6327        3349         3267  SHAW, CA

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
     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
     46505  UNALLOCATED  12.7.131.0/24             7018  ATT-INTERNET4, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.142.80.0/24       Origin:     10753  LVLT-10753, US
                    Transit:      3356  LEVEL3, US
23.157.0.0/24        Origin:    395101  UNASSIGNED
                    Transit:     33657  CMCS, US
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

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        /9:12      /10:39      /11:100     /12:288     
/13:577     /14:1175    /15:1932    /16:13474   /17:8329    /18:14017   
/19:25606   /20:41134   /21:49465   /22:102574  /23:86079   /24:479297  
/25:1252    /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        5158        6193  UNI2-AS, ES
 11492        3678        4589  CABLEONE, US
  6327        3146        3349  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
  8551        2897        3438  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2823        3653  ASN-CXA-ALL-CCI-22773-RDC, US
  8151        2821        8094  Uninet S.A. de C.V., MX
 39891        2801        3652  ALJAWWALSTC-AS, SA
 30036        2215        2472  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1995        2312  FRONTIER-FRTR, US

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

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

   1:1642      2:1170      3:33        4:19        5:3605      6:54     
   8:1483      9:1        11:1        12:1767     13:350      14:2350   
  15:72       16:8        17:296      18:88       20:111      23:4018   
  24:2343     25:3        27:2314     31:2156     32:120      34:1      
  35:43       36:998      37:3497     38:1877     39:459      40:150    
  41:3717     42:636      43:2156     44:218      45:15019    46:3535   
  47:320      49:1539     50:1659     51:101      52:1116     54:231    
  55:696      56:6        57:54       58:1636     59:1168     60:793    
  61:2311     62:2164     63:2018     64:5252     65:2369     66:5075   
  67:2910     68:1166     69:4081     70:1396     71:678      72:2971   
  74:2565     75:1455     76:673      77:1974     78:1662     79:2632   
  80:2064     81:1610     82:1325     83:1229     84:1250     85:2680   
  86:562      87:1792     88:937      89:2833     90:383      91:7154   
  92:1575     93:2500     94:2802     95:3397     96:1249     97:337    
  98:925      99:980     100:87      101:1026    102:1109    103:24503  
 104:3576    105:383     106:909     107:2121    108:693     109:3774   
 110:1959    111:2345    112:1690    113:1432    114:1529    115:1832   
 116:1830    117:2105    118:2174    119:1743    120:911     121:1049   
 122:2556    123:2037    124:1628    125:2137    128:1372    129:1243   
 130:723     131:1944    132:764     133:306     134:1365    135:331    
 136:637     137:881     138:2295    139:1053    140:745     141:1088   
 142:971     143:1206    144:1152    145:353     146:1393    147:1237   
 148:2148    149:1191    150:762     151:1332    152:1558    153:436    
 154:4507    155:1266    156:3017    157:1105    158:880     159:1984   
 160:1976    161:1076    162:3189    163:893     164:1510    165:1322   
 166:591     167:1671    168:3537    169:618     170:4360    171:774    
 172:1994    173:2761    174:972     175:1044    176:2795    177:4290   
 178:2704    179:1878    180:2248    181:2555    182:3121    183:1445   
 184:2441    185:17028   186:3925    187:3024    188:3317    189:2684   
 190:9020    191:1457    192:10459   193:7723    194:6311    195:4542   
 196:3149    197:2017    198:6059    199:5934    200:7321    201:5268   
 202:10560   203:10187   204:4648    205:3092    206:3202    207:3265   
 208:4000    209:4473    210:4198    211:2073    212:3507    213:3271   
 214:1173    215:60      216:6121    217:2477    218:852     219:614    
 220:2042    221:916     222:974     223:1641   

End of report