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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 13 Feb, 2021

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

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

BGP routing table entries examined:                              845861
    Prefixes after maximum aggregation (per Origin AS):          322196
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      402923
Total ASes present in the Internet Routing Table:                 70526
    Prefixes per ASN:                                             11.99
Origin-only ASes present in the Internet Routing Table:           60682
Origin ASes announcing only one prefix:                           25080
Transit ASes present in the Internet Routing Table:                9844
Transit-only ASes present in the Internet Routing Table:            295
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      62
    Max AS path prepend of ASN (266299)                              59
Prefixes from unregistered ASNs in the Routing Table:               927
    Number of instances of unregistered ASNs:                       933
Number of 32-bit ASNs allocated by the RIRs:                      35042
Number of 32-bit ASNs visible in the Routing Table:               29074
Prefixes from 32-bit ASNs in the Routing Table:                  135830
Number of bogon 32-bit ASNs visible in the Routing Table:            18
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            560
Number of addresses announced to Internet:                   2910555264
    Equivalent to 173 /8s, 123 /16s and 140 /24s
    Percentage of available address space announced:               78.6
    Percentage of allocated address space announced:               78.6
    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:      288838

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

Prefixes being announced by APNIC Region ASes:                   221583
    Total APNIC prefixes after maximum aggregation:               65428
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          217412
    Unique aggregates announced from the APNIC address blocks:    88209
APNIC Region origin ASes present in the Internet Routing Table:   11268
    APNIC Prefixes per ASN:                                       19.29
APNIC Region origin ASes announcing only one prefix:               3225
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:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6419
Number of APNIC addresses announced to Internet:              770448384
    Equivalent to 45 /8s, 236 /16s and 28 /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, 131072-143673
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:                    243710
    Total ARIN prefixes after maximum aggregation:               112158
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           244226
    Unique aggregates announced from the ARIN address blocks:    116434
ARIN Region origin ASes present in the Internet Routing Table:    18727
    ARIN Prefixes per ASN:                                        13.04
ARIN Region origin ASes announcing only one prefix:                6808
ARIN Region transit ASes present in the Internet Routing Table:    1919
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3705
Number of ARIN addresses announced to Internet:              1147787520
    Equivalent to 68 /8s, 105 /16s and 217 /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:                    242051
    Total RIPE prefixes after maximum aggregation:               112658
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           238056
    Unique aggregates announced from the RIPE address blocks:    139612
RIPE Region origin ASes present in the Internet Routing Table:    27736
    RIPE Prefixes per ASN:                                         8.58
RIPE Region origin ASes announcing only one prefix:               11914
RIPE Region transit ASes present in the Internet Routing Table:    3891
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9927
Number of RIPE addresses announced to Internet:               710304384
    Equivalent to 42 /8s, 86 /16s and 98 /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:                  112427
    Total LACNIC prefixes after maximum aggregation:              26347
    LACNIC Deaggregation factor:                                   4.27
Prefixes being announced from the LACNIC address blocks:         113586
    Unique aggregates announced from the LACNIC address blocks:   48143
LACNIC Region origin ASes present in the Internet Routing Table:  10648
    LACNIC Prefixes per ASN:                                      10.67
LACNIC Region origin ASes announcing only one prefix:              2633
LACNIC Region transit ASes present in the Internet Routing Table:  2004
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        62
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8251
Number of LACNIC addresses announced to Internet:             173827328
    Equivalent to 10 /8s, 92 /16s and 101 /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:                  25162
    Total AfriNIC prefixes after maximum aggregation:              4873
    AfriNIC Deaggregation factor:                                  5.16
Prefixes being announced from the AfriNIC address blocks:         32021
    Unique aggregates announced from the AfriNIC address blocks:  10009
AfriNIC Region origin ASes present in the Internet Routing Table:  1448
    AfriNIC Prefixes per ASN:                                     22.11
AfriNIC Region origin ASes announcing only one prefix:              500
AfriNIC Region transit ASes present in the Internet Routing Table:  286
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  772
Number of AfriNIC addresses announced to Internet:            107762688
    Equivalent to 6 /8s, 108 /16s and 84 /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        5727        781     667  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4750       4192      74  ERX-CERNET-BKB China Education and Rese
  7552        3548       1330      19  VIETEL-AS-AP Viettel Group, VN
  7713        3229        935     528  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        3218       9045      60  CMNET-GD Guangdong Mobile Communication
 45899        2887       1896      55  VNPT-AS-VN VNPT Corp, VN
  4766        2448      11105     569  KIXS-AS-KR Korea Telecom, KR
  9498        2304        482     230  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2144        441     191  TATACOMM-AS TATA Communications formerl
 45090        2080       1045      63  CNNIC-TENCENT-NET-AP Shenzhen Tencent C

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        4827       9094    2170  AMAZON-02, US
 11492        4742        315     738  CABLEONE, US
  7155        4038        264      32  VIASAT-SP-BACKBONE, US
 22773        3863       2992     247  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3329       1317      72  SHAW, CA
 16625        3281       1715    2334  AKAMAI-AS, US
   209        2522       5058     503  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2505        370      89  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2352       3000    1642  FRONTIER-FRTR, US
  5972        2187        437     773  DNIC-ASBLK-05800-06055, 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
 47331        8089       1086    3227  TTNET, TR
 12479        6301       1700     146  UNI2-AS, ES
 39891        3459        195      22  ALJAWWALSTC-AS, SA
 20940        3440       3347     207  AKAMAI-ASN1, NL
  8551        3247        379      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2877       2282     890  ROSTELECOM-AS, RU
  9009        2350        237    1262  M247, GB
 34984        2177        354     582  TELLCOM-AS, TR
 13188        1611        100      23  TRIOLAN, UA
 58224        1512        870     561  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        8238       3405     595  Uninet S.A. de C.V., MX
 10620        3400        526     612  Telmex Colombia S.A., CO
 11830        2561        369      63  Instituto Costarricense de Electricidad
 13999        1629        433     417  Mega Cable, S.A. de C.V., MX
  6503        1441        311     475  Axtel, S.A.B. de C.V., MX
  7303        1439        913     262  Telecom Argentina S.A., AR
 28573        1389       2261     221  CLARO S.A., BR
  6147        1162        379      39  Telefonica del Peru S.A.A., PE
  3816        1156        574     143  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664         987        210     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        1581        393      22  LINKdotNET-AS, EG
 24835        1294        486      27  RAYA-AS, EG
 36992        1178       1537     169  ETISALAT-MISR, EG
 36903         978        510     101  MT-MPLS, MA
 29571         702         68      11  ORANGE-COTE-IVOIRE, CI
  6713         532       1863      34  IAM-AS, MA
 36935         489        522      41  Vodafone-, EG
 37342         486         32       1  MOVITEL, MZ
 15399         483         46      18  WANANCHI-, KE
 23889         454        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        8238       3405     595  Uninet S.A. de C.V., MX
 47331        8089       1086    3227  TTNET, TR
 12479        6301       1700     146  UNI2-AS, ES
  7545        5727        781     667  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        4827       9094    2170  AMAZON-02, US
  4538        4750       4192      74  ERX-CERNET-BKB China Education and Rese
 11492        4742        315     738  CABLEONE, US
  7155        4038        264      32  VIASAT-SP-BACKBONE, US
 22773        3863       2992     247  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3548       1330      19  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        6301         6155  UNI2-AS, ES
  7545        5727         5060  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8089         4862  TTNET, TR
  4538        4750         4676  ERX-CERNET-BKB China Education and Research Net
  7155        4038         4006  VIASAT-SP-BACKBONE, US
 11492        4742         4004  CABLEONE, US
 22773        3863         3616  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3548         3529  VIETEL-AS-AP Viettel Group, VN
 39891        3459         3437  ALJAWWALSTC-AS, SA
  6327        3329         3257  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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     18604  UNALLOCATED  8.25.204.0/24             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
    393489  UNALLOCATED  12.7.109.0/24             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
23.141.0.0/24        Origin:    395350  UNASSIGNED
                    Transit:     11426  TWC-11426-CAROLINAS, US
23.142.80.0/24       Origin:    397881  STINGERS, US
                    Transit:    398481  REDMERCURY, US
23.226.240.0/20      Origin:     40430  UNASSIGNED
                    Transit:       174  COGENT-174, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad 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        /8:11       /9:12      /10:40      /11:102     /12:293     
/13:580     /14:1182    /15:1932    /16:13500   /17:8308    /18:13796   
/19:25618   /20:41725   /21:50907   /22:105083  /23:89560   /24:491766  
/25:1446    /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
 47331        7234        8089  TTNET, TR
 12479        5268        6301  UNI2-AS, ES
 11492        3797        4742  CABLEONE, US
  6327        3134        3329  SHAW, CA
  7155        3126        4038  VIASAT-SP-BACKBONE, US
 22773        2924        3863  ASN-CXA-ALL-CCI-22773-RDC, US
  8151        2840        8238  Uninet S.A. de C.V., MX
 39891        2801        3459  ALJAWWALSTC-AS, SA
  8551        2712        3247  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2237        2505  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1880      2:1171      3:94        4:19        5:3598      6:65     
   7:5         8:1487      9:1        11:36       12:1760     13:358    
  14:2424     15:76       16:15       17:308      18:94       20:117    
  22:188      23:4344     24:2377     25:2        27:2383     31:2202   
  32:112      34:2        35:39       36:1141     37:3630     38:2049   
  39:485      40:150      41:3867     42:896      43:2100     44:233    
  45:14928    46:3624     47:320      49:1612     50:1708     51:102    
  52:1205     54:217      55:775      56:6        57:57       58:1692   
  59:1164     60:824      61:2364     62:2220     63:1983     64:5251   
  65:2408     66:5175     67:2919     68:1173     69:4075     70:1399   
  71:687      72:3240     74:2584     75:1476     76:693      77:2025   
  78:3730     79:2489     80:1806     81:1646     82:1303     83:1120   
  84:1258     85:3291     86:653      87:1805     88:2836     89:3049   
  90:402      91:7260     92:1644     93:2531     94:2949     95:4456   
  96:1224     97:346      98:978      99:978     100:91      101:1054   
 102:1279    103:25346   104:3657    105:418     106:723     107:2212   
 108:675     109:3839    110:2001    111:2384    112:1770    113:1681   
 114:1440    115:1869    116:1890    117:2193    118:2312    119:1934   
 120:946     121:1084    122:2283    123:2179    124:1633    125:2144   
 128:1323    129:1164    130:803     131:2019    132:760     133:320    
 134:1555    135:288     136:721     137:897     138:2289    139:1163   
 140:743     141:1167    142:1059    143:1239    144:1218    145:326    
 146:1395    147:1238    148:2210    149:1267    150:749     151:1199   
 152:1544    153:385     154:2184    155:1316    156:1474    157:1158   
 158:928     159:2050    160:2065    161:1103    162:3236    163:965    
 164:1426    165:1302    166:613     167:1770    168:3547    169:651    
 170:4343    171:755     172:2066    173:2950    174:979     175:1065   
 176:2965    177:4330    178:2868    179:1886    180:2276    181:2621   
 182:3191    183:1705    184:2459    185:17890   186:4170    187:3083   
 188:3314    189:2752    190:9069    191:1470    192:10657   193:7926   
 194:6490    195:4655    196:2963    197:2343    198:6028    199:5982   
 200:7396    201:5281    202:10496   203:10113   204:4645    205:3259   
 206:3428    207:3322    208:3995    209:4615    210:4233    211:2177   
 212:3626    213:3289    214:1213    215:61      216:6171    217:2518   
 218:1022    219:682     220:2069    221:944     222:983     223:1743   


End of report