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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 08 May, 2021

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

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

BGP routing table entries examined:                              857788
    Prefixes after maximum aggregation (per Origin AS):          324705
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      407262
Total ASes present in the Internet Routing Table:                 71214
    Prefixes per ASN:                                             12.05
Origin-only ASes present in the Internet Routing Table:           61232
Origin ASes announcing only one prefix:                           25265
Transit ASes present in the Internet Routing Table:                9982
Transit-only ASes present in the Internet Routing Table:            323
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (206999)                              29
Prefixes from unregistered ASNs in the Routing Table:              1076
    Number of instances of unregistered ASNs:                      1083
Number of 32-bit ASNs allocated by the RIRs:                      35977
Number of 32-bit ASNs visible in the Routing Table:               29920
Prefixes from 32-bit ASNs in the Routing Table:                  139163
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            567
Number of addresses announced to Internet:                   3030129536
    Equivalent to 180 /8s, 156 /16s and 27 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      290936

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

Prefixes being announced by APNIC Region ASes:                   226816
    Total APNIC prefixes after maximum aggregation:               65462
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          222971
    Unique aggregates announced from the APNIC address blocks:    89686
APNIC Region origin ASes present in the Internet Routing Table:   11571
    APNIC Prefixes per ASN:                                       19.27
APNIC Region origin ASes announcing only one prefix:               3319
APNIC Region transit ASes present in the Internet Routing Table:   1639
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         31
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6727
Number of APNIC addresses announced to Internet:              772779264
    Equivalent to 46 /8s, 15 /16s and 173 /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:                    247094
    Total ARIN prefixes after maximum aggregation:               113150
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           247473
    Unique aggregates announced from the ARIN address blocks:    118039
ARIN Region origin ASes present in the Internet Routing Table:    18804
    ARIN Prefixes per ASN:                                        13.16
ARIN Region origin ASes announcing only one prefix:                6805
ARIN Region transit ASes present in the Internet Routing Table:    1941
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          30
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3858
Number of ARIN addresses announced to Internet:              1263454208
    Equivalent to 75 /8s, 78 /16s and 200 /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:                    244357
    Total RIPE prefixes after maximum aggregation:               114021
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           240348
    Unique aggregates announced from the RIPE address blocks:    141608
RIPE Region origin ASes present in the Internet Routing Table:    27896
    RIPE Prefixes per ASN:                                         8.62
RIPE Region origin ASes announcing only one prefix:               11961
RIPE Region transit ASes present in the Internet Routing Table:    3892
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10157
Number of RIPE addresses announced to Internet:               710176128
    Equivalent to 42 /8s, 84 /16s and 109 /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:                  112598
    Total LACNIC prefixes after maximum aggregation:              26389
    LACNIC Deaggregation factor:                                   4.27
Prefixes being announced from the LACNIC address blocks:         113721
    Unique aggregates announced from the LACNIC address blocks:   46926
LACNIC Region origin ASes present in the Internet Routing Table:  10746
    LACNIC Prefixes per ASN:                                      10.58
LACNIC Region origin ASes announcing only one prefix:              2685
LACNIC Region transit ASes present in the Internet Routing Table:  2032
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8375
Number of LACNIC addresses announced to Internet:             176254208
    Equivalent to 10 /8s, 129 /16s and 109 /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:                  25846
    Total AfriNIC prefixes after maximum aggregation:              4926
    AfriNIC Deaggregation factor:                                  5.25
Prefixes being announced from the AfriNIC address blocks:         32708
    Unique aggregates announced from the AfriNIC address blocks:  10493
AfriNIC Region origin ASes present in the Internet Routing Table:  1454
    AfriNIC Prefixes per ASN:                                     22.50
AfriNIC Region origin ASes announcing only one prefix:              495
AfriNIC Region transit ASes present in the Internet Routing Table:  302
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:  803
Number of AfriNIC addresses announced to Internet:            107021568
    Equivalent to 6 /8s, 97 /16s and 5 /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        6324       8996      55  CMNET-GD Guangdong Mobile Communication
  7545        5761        782     671  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4762       4192      74  ERX-CERNET-BKB China Education and Rese
  7713        3520       1023      56  TELKOMNET-AS-AP PT Telekomunikasi Indon
  7552        3498       1330      20  VIETEL-AS-AP Viettel Group, VN
 45899        2804       1896      54  VNPT-AS-VN VNPT Corp, VN
  4766        2428      11104     562  KIXS-AS-KR Korea Telecom, KR
  9498        2339        481     237  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2124        441     192  TATACOMM-AS TATA Communications formerl
 45090        2097       1197      71  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        5077       9369    2238  AMAZON-02, US
 11492        4773        316     611  CABLEONE, US
  7155        4027        264      32  VIASAT-SP-BACKBONE, US
 22773        3930       2998     245  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3453       1776    2428  AKAMAI-AS, US
  6327        3358       1317      68  SHAW, CA
 30036        2557        372     159  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2535       5037     485  CENTURYLINK-US-LEGACY-QWEST, US
  5650        2251       2986    1570  FRONTIER-FRTR, US
  5972        2231        451     777  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        7782       1044    3503  TTNET, TR
 12479        6576       1725     146  UNI2-AS, ES
 20940        3600       3347     204  AKAMAI-ASN1, NL
 39891        3266        187      22  ALJAWWALSTC-AS, SA
  8551        3091        378      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2905       2281     890  ROSTELECOM-AS, RU
  9009        2420        247    1297  M247, GB
 34984        2218        357     588  TELLCOM-AS, TR
 13188        1610        100      31  TRIOLAN, UA
 58224        1591        886     579  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        8557       3476     579  Uninet S.A. de C.V., MX
 10620        3419        526     617  Telmex Colombia S.A., CO
 11830        2492        369      62  Instituto Costarricense de Electricidad
  7303        1690       2058      68  Telecom Argentina S.A., AR
 13999        1684        432     441  Mega Cable, S.A. de C.V., MX
  6503        1444        311     476  Axtel, S.A.B. de C.V., MX
 28573        1393       2280     224  CLARO S.A., BR
  3816        1233        648     150  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1128        377      38  Telefonica del Peru S.A.A., PE
 11664        1003        210     401  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        1590        393      22  LINKdotNET-AS, EG
 24835        1445        494      28  RAYA-AS, EG
 36992        1195       1473     176  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         731         68      11  ORANGE-COTE-IVOIRE, CI
  6713         593       1863      34  IAM-AS, MA
 36935         516        522      40  Vodafone-, EG
 37342         487         32       1  MOVITEL, MZ
 15399         483         48      22  WANANCHI-, KE
 23889         439        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        8557       3476     579  Uninet S.A. de C.V., MX
 47331        7782       1044    3503  TTNET, TR
 12479        6576       1725     146  UNI2-AS, ES
  9808        6324       8996      55  CMNET-GD Guangdong Mobile Communication
  7545        5761        782     671  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5077       9369    2238  AMAZON-02, US
 11492        4773        316     611  CABLEONE, US
  4538        4762       4192      74  ERX-CERNET-BKB China Education and Rese
  7155        4027        264      32  VIASAT-SP-BACKBONE, US
 22773        3930       2998     245  ASN-CXA-ALL-CCI-22773-RDC, US

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        6576         6430  UNI2-AS, ES
  9808        6324         6269  CMNET-GD Guangdong Mobile Communication Co.Ltd.
  7545        5761         5090  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4762         4688  ERX-CERNET-BKB China Education and Research Net
 47331        7782         4279  TTNET, TR
 11492        4773         4162  CABLEONE, US
  7155        4027         3995  VIASAT-SP-BACKBONE, US
 22773        3930         3685  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3498         3478  VIETEL-AS-AP Viettel Group, VN
  7713        3520         3464  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID

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
     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
     46505  UNALLOCATED  12.7.131.0/24             7018  ATT-INTERNET4, 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:    398481  REDMERCURY, US
                    Transit:    209319  IPV6ROUTING, 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        /8:16       /9:13      /10:41      /11:103     /12:297     
/13:587     /14:1192    /15:2001    /16:13498   /17:8339    /18:13892   
/19:25788   /20:42463   /21:51348   /22:106915  /23:91408   /24:498478  
/25:1409    /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        6963        7782  TTNET, TR
 12479        5527        6576  UNI2-AS, ES
 11492        3818        4773  CABLEONE, US
  6327        3167        3358  SHAW, CA
  8151        3120        8557  Uninet S.A. de C.V., MX
  7155        3115        4027  VIASAT-SP-BACKBONE, US
 22773        2968        3930  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2801        3266  ALJAWWALSTC-AS, SA
  8551        2556        3091  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2228        2557  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1884      2:1195      3:122       4:19        5:3531      6:65     
   7:5         8:1522      9:1        11:164      12:1753     13:361    
  14:2291     15:75       16:15       17:325      18:93       20:128    
  21:1        22:188      23:4709     24:2403     25:2        27:2523   
  29:19       31:2322     32:111      34:2        35:40       36:1323   
  37:3770     38:2082     39:611      40:160      41:3822     42:928    
  43:2115     44:248      45:14912    46:3701     47:320      49:1609   
  50:1777     51:100      52:1239     54:224      55:771      56:8      
  57:57       58:1716     59:1201     60:904      61:2339     62:2251   
  63:1959     64:5331     65:2384     66:5119     67:2894     68:1152   
  69:4087     70:1386     71:688      72:3178     74:2587     75:1486   
  76:687      77:2020     78:3705     79:2230     80:1862     81:1630   
  82:1362     83:1125     84:1277     85:3408     86:711      87:1796   
  88:2699     89:2986     90:453      91:7320     92:1751     93:2516   
  94:3115     95:4433     96:1280     97:347      98:993      99:970    
 100:92      101:1042    102:1408    103:26034   104:3745    105:435    
 106:726     107:2266    108:719     109:4028    110:2015    111:2960   
 112:1962    113:1539    114:1457    115:1905    116:1893    117:2312   
 118:2340    119:1882    120:1124    121:1065    122:2273    123:2218   
 124:1570    125:2072    128:1225    129:1228    130:854     131:2026   
 132:757     133:360     134:1607    135:290     136:682     137:928    
 138:2295    139:1166    140:734     141:1191    142:1164    143:1290   
 144:1264    145:329     146:1416    147:1308    148:2210    149:1407   
 150:811     151:1070    152:1557    153:395     154:2419    155:1335   
 156:1495    157:1176    158:914     159:2039    160:2120    161:1160   
 162:3293    163:989     164:1517    165:1383    166:595     167:1766   
 168:3579    169:683     170:4272    171:768     172:2171    173:2947   
 174:993     175:1077    176:3141    177:4293    178:2892    179:1924   
 180:2269    181:2610    182:3209    183:1843    184:2424    185:18202  
 186:4179    187:3166    188:3281    189:2874    190:8849    191:1399   
 192:10693   193:8064    194:6595    195:4734    196:2883    197:2378   
 198:6064    199:6031    200:7395    201:5336    202:10568   203:10112  
 204:4655    205:3344    206:3546    207:3388    208:4027    209:4698   
 210:4266    211:2198    212:3677    213:3328    214:1222    215:61     
 216:6188    217:2507    218:1163    219:708     220:2086    221:961    
 222:880     223:1846   

End of report