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 06 Mar, 2021

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

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

BGP routing table entries examined:                              847450
    Prefixes after maximum aggregation (per Origin AS):          322444
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      404254
Total ASes present in the Internet Routing Table:                 70673
    Prefixes per ASN:                                             11.99
Origin-only ASes present in the Internet Routing Table:           60809
Origin ASes announcing only one prefix:                           25079
Transit ASes present in the Internet Routing Table:                9864
Transit-only ASes present in the Internet Routing Table:            304
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:              1003
    Number of instances of unregistered ASNs:                      1007
Number of 32-bit ASNs allocated by the RIRs:                      35292
Number of 32-bit ASNs visible in the Routing Table:               29287
Prefixes from 32-bit ASNs in the Routing Table:                  136290
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            552
Number of addresses announced to Internet:                   2916221056
    Equivalent to 173 /8s, 210 /16s and 0 /24s
    Percentage of available address space announced:               78.8
    Percentage of allocated address space announced:               78.8
    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:      288727

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

Prefixes being announced by APNIC Region ASes:                   222391
    Total APNIC prefixes after maximum aggregation:               65023
    APNIC Deaggregation factor:                                    3.42
Prefixes being announced from the APNIC address blocks:          218361
    Unique aggregates announced from the APNIC address blocks:    88652
APNIC Region origin ASes present in the Internet Routing Table:   11303
    APNIC Prefixes per ASN:                                       19.32
APNIC Region origin ASes announcing only one prefix:               3218
APNIC Region transit ASes present in the Internet Routing Table:   1607
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:   6458
Number of APNIC addresses announced to Internet:              770590976
    Equivalent to 45 /8s, 238 /16s and 73 /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:                    243978
    Total ARIN prefixes after maximum aggregation:               112313
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           244662
    Unique aggregates announced from the ARIN address blocks:    116841
ARIN Region origin ASes present in the Internet Routing Table:    18746
    ARIN Prefixes per ASN:                                        13.05
ARIN Region origin ASes announcing only one prefix:                6809
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:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3751
Number of ARIN addresses announced to Internet:              1152412416
    Equivalent to 68 /8s, 176 /16s and 107 /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:                    242179
    Total RIPE prefixes after maximum aggregation:               113044
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           237976
    Unique aggregates announced from the RIPE address blocks:    140054
RIPE Region origin ASes present in the Internet Routing Table:    27761
    RIPE Prefixes per ASN:                                         8.57
RIPE Region origin ASes announcing only one prefix:               11903
RIPE Region transit ASes present in the Internet Routing Table:    3900
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9986
Number of RIPE addresses announced to Internet:               710342016
    Equivalent to 42 /8s, 86 /16s and 245 /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:                  112760
    Total LACNIC prefixes after maximum aggregation:              26383
    LACNIC Deaggregation factor:                                   4.27
Prefixes being announced from the LACNIC address blocks:         113887
    Unique aggregates announced from the LACNIC address blocks:   48173
LACNIC Region origin ASes present in the Internet Routing Table:  10701
    LACNIC Prefixes per ASN:                                      10.64
LACNIC Region origin ASes announcing only one prefix:              2644
LACNIC Region transit ASes present in the Internet Routing Table:  2005
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:  8305
Number of LACNIC addresses announced to Internet:             174562048
    Equivalent to 10 /8s, 103 /16s and 155 /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:                  25138
    Total AfriNIC prefixes after maximum aggregation:              4931
    AfriNIC Deaggregation factor:                                  5.10
Prefixes being announced from the AfriNIC address blocks:         32012
    Unique aggregates announced from the AfriNIC address blocks:  10034
AfriNIC Region origin ASes present in the Internet Routing Table:  1446
    AfriNIC Prefixes per ASN:                                     22.14
AfriNIC Region origin ASes announcing only one prefix:              505
AfriNIC Region transit ASes present in the Internet Routing Table:  284
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  787
Number of AfriNIC addresses announced to Internet:            107878912
    Equivalent to 6 /8s, 110 /16s and 26 /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        5716        783     669  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4830       4192      74  ERX-CERNET-BKB China Education and Rese
  9808        3724       9045      60  CMNET-GD Guangdong Mobile Communication
  7552        3538       1330      21  VIETEL-AS-AP Viettel Group, VN
  7713        3515       1014      54  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2899       1896      55  VNPT-AS-VN VNPT Corp, VN
  4766        2449      11105     568  KIXS-AS-KR Korea Telecom, KR
  9498        2310        482     230  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2145        441     192  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        4876       9194    2209  AMAZON-02, US
 11492        4752        315     722  CABLEONE, US
  7155        4030        264      32  VIASAT-SP-BACKBONE, US
 22773        3897       2997     243  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3348       1317      72  SHAW, CA
 16625        3314       1727    2356  AKAMAI-AS, US
 30036        2520        371      85  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2511       5057     500  CENTURYLINK-US-LEGACY-QWEST, US
  5650        2350       3000    1642  FRONTIER-FRTR, US
  5972        2199        445     781  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        7753       1049    3440  TTNET, TR
 12479        6369       1700     146  UNI2-AS, ES
 20940        3502       3347     209  AKAMAI-ASN1, NL
 39891        3266        187      22  ALJAWWALSTC-AS, SA
  8551        3086        379      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2883       2283     894  ROSTELECOM-AS, RU
  9009        2438        250    1316  M247, GB
 34984        2179        355     583  TELLCOM-AS, TR
 13188        1610        100      31  TRIOLAN, UA
 58224        1532        873     563  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        8402       3468     583  Uninet S.A. de C.V., MX
 10620        3401        526     610  Telmex Colombia S.A., CO
 11830        2563        369      63  Instituto Costarricense de Electricidad
 13999        1648        436     421  Mega Cable, S.A. de C.V., MX
  7303        1451        925     265  Telecom Argentina S.A., AR
  6503        1442        311     475  Axtel, S.A.B. de C.V., MX
 28573        1402       2264     220  CLARO S.A., BR
  3816        1202        614     156  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1126        377      39  Telefonica del Peru S.A.A., PE
 11664         994        211     408  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        1578        393      22  LINKdotNET-AS, EG
 24835        1289        482      29  RAYA-AS, EG
 36992        1191       1537     174  ETISALAT-MISR, EG
 36903         972        507     110  MT-MPLS, MA
 29571         706         68      11  ORANGE-COTE-IVOIRE, CI
  6713         538       1863      34  IAM-AS, MA
 36935         500        522      40  Vodafone-, EG
 15399         480         46      16  WANANCHI-, KE
 23889         454        232      16  MauritiusTelecom, MU
 37342         454         32       1  MOVITEL, MZ

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        8402       3468     583  Uninet S.A. de C.V., MX
 47331        7753       1049    3440  TTNET, TR
 12479        6369       1700     146  UNI2-AS, ES
  7545        5716        783     669  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        4876       9194    2209  AMAZON-02, US
  4538        4830       4192      74  ERX-CERNET-BKB China Education and Rese
 11492        4752        315     722  CABLEONE, US
  7155        4030        264      32  VIASAT-SP-BACKBONE, US
 22773        3897       2997     243  ASN-CXA-ALL-CCI-22773-RDC, US
  9808        3724       9045      60  CMNET-GD Guangdong Mobile Communication

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        6369         6223  UNI2-AS, ES
  7545        5716         5047  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4830         4756  ERX-CERNET-BKB China Education and Research Net
 47331        7753         4313  TTNET, TR
 11492        4752         4030  CABLEONE, US
  7155        4030         3998  VIASAT-SP-BACKBONE, US
  9808        3724         3664  CMNET-GD Guangdong Mobile Communication Co.Ltd.
 22773        3897         3654  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3538         3517  VIETEL-AS-AP Viettel Group, VN
  7713        3515         3461  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               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
     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
23.141.0.0/24        Origin:    395350  UNASSIGNED
                    Transit:     11426  TWC-11426-CAROLINAS, US
23.142.80.0/24       Origin:    397881  STINGERS, US
                    Transit:    398481  REDMERCURY, US
23.175.48.0/24       Origin:    398357  ETHNC-ASN, US
                    Transit:     46664  VDI-NETWORK, 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 

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      /10:41      /11:102     /12:292     
/13:577     /14:1182    /15:1937    /16:13497   /17:8286    /18:13755   
/19:25578   /20:41730   /21:50921   /22:105290  /23:89662   /24:493158  
/25:1419    /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        6924        7753  TTNET, TR
 12479        5330        6369  UNI2-AS, ES
 11492        3807        4752  CABLEONE, US
  6327        3153        3348  SHAW, CA
  7155        3118        4030  VIASAT-SP-BACKBONE, US
  8151        2980        8402  Uninet S.A. de C.V., MX
 22773        2948        3897  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2801        3266  ALJAWWALSTC-AS, SA
  8551        2550        3086  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2238        2520  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1883      2:1164      3:94        4:18        5:3531      6:64     
   7:5         8:1497      9:1        11:36       12:1754     13:359    
  14:2353     15:77       16:15       17:317      18:93       20:126    
  22:188      23:4433     24:2379     25:2        27:2502     31:2267   
  32:112      34:3        35:40       36:1145     37:3711     38:2055   
  39:485      40:151      41:3806     42:919      43:2111     44:237    
  45:15019    46:3650     47:320      49:1619     50:1712     51:90     
  52:1209     54:218      55:788      56:6        57:56       58:1743   
  59:1210     60:883      61:2408     62:2225     63:1972     64:5281   
  65:2390     66:5143     67:2912     68:1176     69:4069     70:1405   
  71:687      72:3232     74:2571     75:1479     76:686      77:2013   
  78:3645     79:2323     80:1828     81:1627     82:1315     83:1102   
  84:1255     85:3309     86:720      87:1789     88:2710     89:2988   
  90:432      91:7260     92:1746     93:2539     94:3019     95:4387   
  96:1239     97:346      98:995      99:971     100:89      101:1052   
 102:1260    103:25489   104:3701    105:424     106:714     107:2220   
 108:685     109:3907    110:2002    111:2614    112:1779    113:1647   
 114:1457    115:1874    116:1878    117:2208    118:2323    119:1917   
 120:992     121:1087    122:2323    123:2193    124:1595    125:2103   
 128:1334    129:947     130:807     131:2029    132:754     133:354    
 134:1557    135:290     136:732     137:907     138:2291    139:1195   
 140:746     141:1187    142:1087    143:1280    144:1223    145:324    
 146:1389    147:1260    148:2204    149:1405    150:772     151:1089   
 152:1550    153:388     154:2228    155:1344    156:1495    157:1155   
 158:928     159:2051    160:2068    161:1157    162:3245    163:970    
 164:1436    165:1339    166:598     167:1777    168:3528    169:656    
 170:4327    171:761     172:2096    173:2962    174:981     175:1101   
 176:3001    177:4303    178:2892    179:1907    180:2274    181:2615   
 182:3204    183:1641    184:2462    185:17941   186:4189    187:3118   
 188:3296    189:2802    190:8978    191:1439    192:10671   193:7918   
 194:6534    195:4690    196:2889    197:2314    198:6036    199:5992   
 200:7406    201:5344    202:10555   203:10116   204:4614    205:3298   
 206:3478    207:3335    208:3989    209:4620    210:4258    211:2165   
 212:3680    213:3301    214:1199    215:61      216:6149    217:2521   
 218:1049    219:689     220:2058    221:926     222:995     223:1759   


End of report