APNIC Home APNIC Home
Info & FAQ |  Resource services |  Training |  Meetings |  Membership |  Documents |  Whois & Search |  Internet community

You're here:  Home  Mailing Lists apops 


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[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 19 Sep, 2020

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

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

BGP routing table entries examined:                              823713
    Prefixes after maximum aggregation (per Origin AS):          313888
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      396613
Total ASes present in the Internet Routing Table:                 69426
    Prefixes per ASN:                                             11.86
Origin-only ASes present in the Internet Routing Table:           59659
Origin ASes announcing only one prefix:                           24758
Transit ASes present in the Internet Routing Table:                9767
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:                                      47
    Max AS path prepend of ASN ( 37385)                              44
Prefixes from unregistered ASNs in the Routing Table:               829
    Number of instances of unregistered ASNs:                       830
Number of 32-bit ASNs allocated by the RIRs:                      33522
Number of 32-bit ASNs visible in the Routing Table:               27683
Prefixes from 32-bit ASNs in the Routing Table:                  128618
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            446
Number of addresses announced to Internet:                   2860680832
    Equivalent to 170 /8s, 130 /16s and 134 /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:      276420

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

Prefixes being announced by APNIC Region ASes:                   216676
    Total APNIC prefixes after maximum aggregation:               63566
    APNIC Deaggregation factor:                                    3.41
Prefixes being announced from the APNIC address blocks:          210515
    Unique aggregates announced from the APNIC address blocks:    86747
APNIC Region origin ASes present in the Internet Routing Table:   10861
    APNIC Prefixes per ASN:                                       19.38
APNIC Region origin ASes announcing only one prefix:               3045
APNIC Region transit ASes present in the Internet Routing Table:   1590
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:   5963
Number of APNIC addresses announced to Internet:              779146752
    Equivalent to 46 /8s, 112 /16s and 214 /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:                    240915
    Total ARIN prefixes after maximum aggregation:               111026
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           238608
    Unique aggregates announced from the ARIN address blocks:    116675
ARIN Region origin ASes present in the Internet Routing Table:    18588
    ARIN Prefixes per ASN:                                        12.84
ARIN Region origin ASes announcing only one prefix:                6797
ARIN Region transit ASes present in the Internet Routing Table:    1903
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3424
Number of ARIN addresses announced to Internet:              1087758336
    Equivalent to 64 /8s, 213 /16s and 224 /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:                    230212
    Total RIPE prefixes after maximum aggregation:               108152
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           226321
    Unique aggregates announced from the RIPE address blocks:    135790
RIPE Region origin ASes present in the Internet Routing Table:    27387
    RIPE Prefixes per ASN:                                         8.26
RIPE Region origin ASes announcing only one prefix:               11818
RIPE Region transit ASes present in the Internet Routing Table:    3864
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:    9503
Number of RIPE addresses announced to Internet:               709162624
    Equivalent to 42 /8s, 68 /16s and 246 /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:                  111579
    Total LACNIC prefixes after maximum aggregation:              25699
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         112706
    Unique aggregates announced from the LACNIC address blocks:   47619
LACNIC Region origin ASes present in the Internet Routing Table:  10487
    LACNIC Prefixes per ASN:                                      10.75
LACNIC Region origin ASes announcing only one prefix:              2598
LACNIC Region transit ASes present in the Internet Routing Table:  1964
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        28
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8069
Number of LACNIC addresses announced to Internet:             174514432
    Equivalent to 10 /8s, 102 /16s and 225 /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:                  23501
    Total AfriNIC prefixes after maximum aggregation:              4784
    AfriNIC Deaggregation factor:                                  4.91
Prefixes being announced from the AfriNIC address blocks:         35117
    Unique aggregates announced from the AfriNIC address blocks:   9412
AfriNIC Region origin ASes present in the Internet Routing Table:  1425
    AfriNIC Prefixes per ASN:                                     24.64
AfriNIC Region origin ASes announcing only one prefix:              500
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:                       47
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  724
Number of AfriNIC addresses announced to Internet:            109672704
    Equivalent to 6 /8s, 137 /16s and 121 /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        5662        766     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4762       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3534       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3228       1896      51  VNPT-AS-VN VNPT Corp, VN
  7713        2718        829     613  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2536       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2348      11103     553  KIXS-AS-KR Korea Telecom, KR
  9498        2294        450     229  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2147        441     193  TATACOMM-AS TATA Communications formerl
  9394        2041       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        4614        309     637  CABLEONE, US
 16509        4247       8312    1957  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3636       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3352       1323      82  SHAW, CA
 16625        3100       1653    2264  AKAMAI-AS, US
   209        2488       5060     526  CENTURYLINK-US-LEGACY-QWEST, US
 26484        2448        153     332  IKGUL-26484, US
 30036        2435        364     223  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2311       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        6110       1652     135  UNI2-AS, ES
 39891        3652        203      21  ALJAWWALSTC-AS, SA
  8551        3428        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3199       2217    1029  AKAMAI-ASN1, EU
 12389        2748       2275     859  ROSTELECOM-AS, RU
 34984        2202        355     572  TELLCOM-AS, TR
  9009        2180        232    1181  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1339        157     595  ASDETUK http://www.heficed.com, GB
 58224        1296        838     519  TCI, IR

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        7955       3339     615  Uninet S.A. de C.V., MX
 10620        3386        531     509  Telmex Colombia S.A., CO
 11830        2565        369      63  Instituto Costarricense de Electricidad
  6503        1626        323     414  Axtel, S.A.B. de C.V., MX
  7303        1470        949     289  Telecom Argentina S.A., AR
 13999        1427        470     386  Mega Cable, S.A. de C.V., MX
 28573        1365       2248     215  CLARO S.A., BR
  3816        1144        575     155  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1121        379      39  Telefonica del Peru S.A.A., PE
 11172         957        111      69  Alestra, S. de R.L. de C.V., MX

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        1429        393      22  LINKdotNET-AS, EG
 36992        1149       1540      75  ETISALAT-MISR, EG
 24835        1106        464      28  RAYA-AS, EG
 36903         918        480      94  MT-MPLS, MA
 29571         695         68      12  ORANGE-COTE-IVOIRE, CI
  6713         552       1863      34  IAM-AS, MA
 15399         495         46      15  WANANCHI-, KE
 37342         481         32       1  MOVITEL, MZ
 36935         448        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        7955       3339     615  Uninet S.A. de C.V., MX
 12479        6110       1652     135  UNI2-AS, ES
  7545        5662        766     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4762       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4614        309     637  CABLEONE, US
 16509        4247       8312    1957  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 39891        3652        203      21  ALJAWWALSTC-AS, SA
 22773        3636       2984     173  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3534       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        6110         5975  UNI2-AS, ES
  7545        5662         4987  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4762         4689  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4614         3977  CABLEONE, US
 39891        3652         3631  ALJAWWALSTC-AS, SA
  7552        3534         3513  VIETEL-AS-AP Viettel Group, VN
 22773        3636         3463  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        3428         3383  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  6327        3352         3270  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     /12:286     
/13:576     /14:1176    /15:1932    /16:13476   /17:8296    /18:14012   
/19:25617   /20:41155   /21:49576   /22:102506  /23:85697   /24:477970  
/25:1278    /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        5090        6110  UNI2-AS, ES
 11492        3679        4614  CABLEONE, US
  6327        3149        3352  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
  8551        2887        3428  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2814        3636  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2801        3652  ALJAWWALSTC-AS, SA
  8151        2776        7955  Uninet S.A. de C.V., MX
 30036        2178        2435  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1994        2311  FRONTIER-FRTR, US

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

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

   1:1631      2:1148      3:33        4:19        5:3563      6:54     
   8:1457      9:1        11:1        12:1771     13:344      14:2331   
  15:72       16:8        17:294      18:88       20:111      23:3983   
  24:2339     25:3        27:2337     31:2172     32:123      34:1      
  35:42       36:982      37:3445     38:1896     39:465      40:143    
  41:3690     42:638      43:2153     44:217      45:14978    46:3519   
  47:321      49:1516     50:1639     51:90       52:1110     54:229    
  55:679      56:6        57:51       58:1629     59:1167     60:785    
  61:2313     62:2149     63:2015     64:5263     65:2355     66:5073   
  67:2900     68:1171     69:4078     70:1398     71:677      72:2966   
  74:2569     75:1456     76:672      77:1953     78:1670     79:2624   
  80:2067     81:1616     82:1327     83:1258     84:1236     85:2694   
  86:561      87:1788     88:934      89:2819     90:386      91:7147   
  92:1569     93:2511     94:2801     95:3385     96:1256     97:340    
  98:919      99:980     100:87      101:1023    102:1094    103:24369  
 104:3560    105:397     106:900     107:2102    108:728     109:3761   
 110:1970    111:2038    112:1673    113:1441    114:1521    115:1839   
 116:1817    117:2094    118:2168    119:1730    120:834     121:1051   
 122:2545    123:2060    124:1648    125:2113    128:1384    129:1244   
 130:716     131:1920    132:755     133:306     134:1370    135:312    
 136:623     137:839     138:2297    139:1034    140:721     141:1090   
 142:971     143:1231    144:1158    145:367     146:1397    147:1030   
 148:2134    149:1184    150:769     151:1332    152:1557    153:423    
 154:4552    155:1223    156:3020    157:1114    158:880     159:1984   
 160:1988    161:1075    162:3166    163:868     164:1509    165:1323   
 166:591     167:1667    168:3498    169:612     170:4383    171:772    
 172:1988    173:2721    174:975     175:1044    176:2797    177:4832   
 178:2704    179:1848    180:2281    181:2537    182:3114    183:1189   
 184:2422    185:16944   186:3895    187:3026    188:3336    189:2684   
 190:8983    191:1403    192:10454   193:7691    194:6295    195:4534   
 196:3109    197:2047    198:6098    199:5932    200:7276    201:5247   
 202:10570   203:10221   204:4634    205:3104    206:3187    207:3266   
 208:4020    209:4528    210:4179    211:2045    212:3491    213:3250   
 214:1175    215:60      216:6127    217:2468    218:855     219:612    
 220:2067    221:911     222:988     223:1684   

End of report