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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 Jul, 2021

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

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

BGP routing table entries examined:                              856005
    Prefixes after maximum aggregation (per Origin AS):          323522
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      411204
Total ASes present in the Internet Routing Table:                 71531
    Prefixes per ASN:                                             11.97
Origin-only ASes present in the Internet Routing Table:           61536
Origin ASes announcing only one prefix:                           25393
Transit ASes present in the Internet Routing Table:                9995
Transit-only ASes present in the Internet Routing Table:            317
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN ( 48366)                              51
Prefixes from unregistered ASNs in the Routing Table:              1102
    Number of instances of unregistered ASNs:                      1108
Number of 32-bit ASNs allocated by the RIRs:                      36518
Number of 32-bit ASNs visible in the Routing Table:               30342
Prefixes from 32-bit ASNs in the Routing Table:                  141342
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            523
Number of addresses announced to Internet:                   3039747968
    Equivalent to 181 /8s, 46 /16s and 223 /24s
    Percentage of available address space announced:               82.1
    Percentage of allocated address space announced:               82.1
    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:      284965

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

Prefixes being announced by APNIC Region ASes:                   229856
    Total APNIC prefixes after maximum aggregation:               65794
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          225679
    Unique aggregates announced from the APNIC address blocks:    90541
APNIC Region origin ASes present in the Internet Routing Table:   11696
    APNIC Prefixes per ASN:                                       19.30
APNIC Region origin ASes announcing only one prefix:               3326
APNIC Region transit ASes present in the Internet Routing Table:   1662
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6863
Number of APNIC addresses announced to Internet:              773655296
    Equivalent to 46 /8s, 29 /16s and 11 /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, 131072-147769
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:                    249828
    Total ARIN prefixes after maximum aggregation:               114073
    ARIN Deaggregation factor:                                     2.19
Prefixes being announced from the ARIN address blocks:           249616
    Unique aggregates announced from the ARIN address blocks:    118884
ARIN Region origin ASes present in the Internet Routing Table:    18850
    ARIN Prefixes per ASN:                                        13.24
ARIN Region origin ASes announcing only one prefix:                6846
ARIN Region transit ASes present in the Internet Routing Table:    1951
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3957
Number of ARIN addresses announced to Internet:              1271415808
    Equivalent to 75 /8s, 200 /16s and 68 /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, 393216-401308
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:                    238484
    Total RIPE prefixes after maximum aggregation:               111317
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           234773
    Unique aggregates announced from the RIPE address blocks:    143266
RIPE Region origin ASes present in the Internet Routing Table:    27987
    RIPE Prefixes per ASN:                                         8.39
RIPE Region origin ASes announcing only one prefix:               12025
RIPE Region transit ASes present in the Internet Routing Table:    3880
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          55
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10266
Number of RIPE addresses announced to Internet:               710663808
    Equivalent to 42 /8s, 91 /16s and 222 /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:                  111004
    Total LACNIC prefixes after maximum aggregation:              26527
    LACNIC Deaggregation factor:                                   4.18
Prefixes being announced from the LACNIC address blocks:         112175
    Unique aggregates announced from the LACNIC address blocks:   47186
LACNIC Region origin ASes present in the Internet Routing Table:  10782
    LACNIC Prefixes per ASN:                                      10.40
LACNIC Region origin ASes announcing only one prefix:              2684
LACNIC Region transit ASes present in the Internet Routing Table:  2042
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:  8426
Number of LACNIC addresses announced to Internet:             176055808
    Equivalent to 10 /8s, 126 /16s and 102 /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:                  25730
    Total AfriNIC prefixes after maximum aggregation:              5075
    AfriNIC Deaggregation factor:                                  5.07
Prefixes being announced from the AfriNIC address blocks:         33239
    Unique aggregates announced from the AfriNIC address blocks:  10858
AfriNIC Region origin ASes present in the Internet Routing Table:  1487
    AfriNIC Prefixes per ASN:                                     22.35
AfriNIC Region origin ASes announcing only one prefix:              512
AfriNIC Region transit ASes present in the Internet Routing Table:  299
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  830
Number of AfriNIC addresses announced to Internet:            107524096
    Equivalent to 6 /8s, 104 /16s and 176 /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
  9808        7571       9000      58  CMNET-GD Guangdong Mobile Communication
  7545        5730        783     679  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4766       4192      74  ERX-CERNET-BKB China Education and Rese
  7552        3560       1330      20  VIETEL-AS-AP Viettel Group, VN
  7713        3529       1023      56  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2800       1897      55  VNPT-AS-VN VNPT Corp, VN
  4766        2429      11120     567  KIXS-AS-KR Korea Telecom, KR
  9498        2356        483     245  BBIL-AP BHARTI Airtel Ltd., IN
 45090        2114       1197      71  CNNIC-TENCENT-NET-AP Shenzhen Tencent C
  4755        2113        437     190  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
 16509        5203       9528    2314  AMAZON-02, US
 11492        4792        316     669  CABLEONE, US
  7155        4027        264      32  VIASAT-SP-BACKBONE, US
 22773        3974       3029     266  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3499       1809    2436  AKAMAI-AS, US
  6327        3360       1317      69  SHAW, CA
 30036        2581        373     129  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2536       5035     476  CENTURYLINK-US-LEGACY-QWEST, US
  5972        2251        451     786  DNIC-ASBLK-05800-06055, US
 20115        2168       2930     492  CHARTER-20115, 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        6722       1721     140  UNI2-AS, ES
 20940        3660       3347     205  AKAMAI-ASN1, NL
 39891        3267        187      22  ALJAWWALSTC-AS, SA
  8551        2996        378      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2884       2283     895  ROSTELECOM-AS, RU
  9009        2451        259    1308  M247, GB
 34984        2218        357     595  TELLCOM-AS, TR
 61317        1622        257     824  ASDETUK www.heficed.com, GB
 13188        1610        100      27  TRIOLAN, UA
 58224        1603        887     557  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        8536       3443     592  Uninet S.A. de C.V., MX
 10620        3407        525     651  Telmex Colombia S.A., CO
 11830        2509        369      62  Instituto Costarricense de Electricidad
 13999        1771        433     462  Mega Cable, S.A. de C.V., MX
  6503        1451        359     478  Axtel, S.A.B. de C.V., MX
 28573        1425       2284     234  CLARO S.A., BR
  3816        1239        650     151  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1114        374      31  Telefonica del Peru S.A.A., PE
 26615        1065       2351     134  TIM SA, BR
 11664         991        199     444  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        1650        393      22  LINKdotNET-AS, EG
 24835        1456        498      30  RAYA-AS, EG
 36992        1303       1489     266  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         711         68      11  ORANGE-COTE-IVOIRE, CI
  6713         612       1863      34  IAM-AS, MA
 36935         532        522      40  Vodafone-, EG
 15399         493         49      25  WANANCHI-, KE
 37342         482         32       1  MOVITEL, MZ
  2018         324        319      74  TENET-1, ZA

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        8536       3443     592  Uninet S.A. de C.V., MX
  9808        7571       9000      58  CMNET-GD Guangdong Mobile Communication
 12479        6722       1721     140  UNI2-AS, ES
  7545        5730        783     679  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5203       9528    2314  AMAZON-02, US
 11492        4792        316     669  CABLEONE, US
  4538        4766       4192      74  ERX-CERNET-BKB China Education and Rese
  7155        4027        264      32  VIASAT-SP-BACKBONE, US
 22773        3974       3029     266  ASN-CXA-ALL-CCI-22773-RDC, US
 20940        3660       3347     205  AKAMAI-ASN1, NL

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

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

   ASN  No of nets  Net Savings  Description
  9808        7571         7513  CMNET-GD Guangdong Mobile Communication Co.Ltd.
 12479        6722         6582  UNI2-AS, ES
  7545        5730         5051  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4766         4692  ERX-CERNET-BKB China Education and Research Net
 11492        4792         4123  CABLEONE, US
  7155        4027         3995  VIASAT-SP-BACKBONE, US
 22773        3974         3708  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3560         3540  VIETEL-AS-AP Viettel Group, VN
  7713        3529         3473  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
 20940        3660         3455  AKAMAI-ASN1, NL

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
     18604  UNALLOCATED  8.25.204.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US
     15132  UNALLOCATED  12.9.150.0/24             1239  SPRINTLINK, US
      3577  UNALLOCATED  12.19.197.0/24             209  CENTURYLINK-US-LEGACY-QWEST,

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
23.141.0.0/24        Origin:    395350  UNASSIGNED
                    Transit:     11426  TWC-11426-CAROLINAS, US
23.142.80.0/24       Origin:    209319  IPV6ROUTING, US
                    Transit:     46573  LAYER-HOST, US
23.162.32.0/24       Origin:     32444  SAFELINK-MV, US
                    Transit:      6939  HURRICANE, US
23.183.16.0/24       Origin:     33385  MEPEEPS, US
                    Transit:      6939  HURRICANE, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 

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        /8:17       /9:14      /10:41      /11:102     /12:305     
/13:589     /14:1193    /15:1994    /16:13471   /17:8331    /18:13969   
/19:25432   /20:42341   /21:50322   /22:106878  /23:91427   /24:498180  
/25:1399    /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        5680        6722  UNI2-AS, ES
 11492        3806        4792  CABLEONE, US
  6327        3167        3360  SHAW, CA
  7155        3115        4027  VIASAT-SP-BACKBONE, US
  8151        3058        8536  Uninet S.A. de C.V., MX
 22773        2965        3974  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2803        3267  ALJAWWALSTC-AS, SA
  8551        2461        2996  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2247        2581  MEDIACOM-ENTERPRISE-BUSINESS, US
 11830        1933        2509  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)
----------------------------------------------

   1:1891      2:1146      3:142       4:19        5:3556      6:79     
   7:5         8:1538      9:1        11:164      12:1740     13:365    
  14:2290     15:87       16:17       17:324      18:93       20:122    
  21:1        22:188      23:4813     24:2435     25:2        27:2499   
  29:19       31:2279     32:110      34:1        35:46       36:1586   
  37:3764     38:2164     39:624      40:164      41:3723     42:977    
  43:2085     44:262      45:15142    46:3685     47:351      49:1612   
  50:1805     51:101      52:1235     54:218      55:783      56:9      
  57:52       58:1739     59:1201     60:926      61:2335     62:2325   
  63:1966     64:5382     65:2369     66:5064     67:2895     68:1172   
  69:4064     70:1383     71:681      72:3148     74:2592     75:1490   
  76:698      77:2038     78:1709     79:2321     80:1852     81:1516   
  82:1364     83:1147     84:1256     85:2711     86:703      87:1816   
  88:967      89:3018     90:492      91:7355     92:1786     93:2561   
  94:3112     95:3525     96:1296     97:343      98:974      99:969    
 100:93      101:1021    102:1507    103:26297   104:3816    105:441    
 106:795     107:2244    108:727     109:3863    110:2002    111:3149   
 112:1914    113:1514    114:1454    115:1908    116:1908    117:2358   
 118:2386    119:1895    120:1448    121:1071    122:2529    123:2168   
 124:1589    125:2077    128:1307    129:1290    130:876     131:2037   
 132:752     133:360     134:1625    135:298     136:777     137:933    
 138:2403    139:1212    140:761     141:1188    142:1203    143:1322   
 144:1257    145:326     146:1473    147:1353    148:2190    149:1457   
 150:817     151:1076    152:1542    153:417     154:2670    155:1328   
 156:1603    157:1199    158:922     159:2016    160:2312    161:1176   
 162:3339    163:1012    164:1522    165:1413    166:615     167:1773   
 168:3680    169:696     170:4357    171:787     172:2483    173:2976   
 174:988     175:1073    176:3165    177:4383    178:2926    179:1909   
 180:2270    181:2619    182:3207    183:2084    184:2416    185:18439  
 186:4064    187:3084    188:3331    189:2879    190:8891    191:1415   
 192:10713   193:8236    194:6703    195:4803    196:2883    197:2141   
 198:6047    199:6023    200:7403    201:5225    202:10564   203:10101  
 204:4655    205:3326    206:3592    207:3429    208:4022    209:4713   
 210:4259    211:2311    212:3712    213:3463    214:1178    215:58     
 216:6290    217:2565    218:1198    219:708     220:2065    221:952    
 222:866     223:1953   

End of report