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 14 Dec, 2019

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

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

BGP routing table entries examined:                              787400
    Prefixes after maximum aggregation (per Origin AS):          300347
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      386172
Total ASes present in the Internet Routing Table:                 66450
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           57116
Origin ASes announcing only one prefix:                           24329
Transit ASes present in the Internet Routing Table:                9334
Transit-only ASes present in the Internet Routing Table:            281
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      40
    Max AS path prepend of ASN (  8697)                              28
Prefixes from unregistered ASNs in the Routing Table:                37
    Number of instances of unregistered ASNs:                        37
Number of 32-bit ASNs allocated by the RIRs:                      29923
Number of 32-bit ASNs visible in the Routing Table:               24506
Prefixes from 32-bit ASNs in the Routing Table:                  112036
Number of bogon 32-bit ASNs visible in the Routing Table:            31
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            285
Number of addresses announced to Internet:                   2846272384
    Equivalent to 169 /8s, 166 /16s and 171 /24s
    Percentage of available address space announced:               76.9
    Percentage of allocated address space announced:               76.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.4
Total number of prefixes smaller than registry allocations:      263299

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

Prefixes being announced by APNIC Region ASes:                   209808
    Total APNIC prefixes after maximum aggregation:               61125
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203761
    Unique aggregates announced from the APNIC address blocks:    84820
APNIC Region origin ASes present in the Internet Routing Table:   10227
    APNIC Prefixes per ASN:                                       19.92
APNIC Region origin ASes announcing only one prefix:               2858
APNIC Region transit ASes present in the Internet Routing Table:   1521
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5264
Number of APNIC addresses announced to Internet:              772263168
    Equivalent to 46 /8s, 7 /16s and 205 /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:                    231814
    Total ARIN prefixes after maximum aggregation:               107527
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           229159
    Unique aggregates announced from the ARIN address blocks:    116052
ARIN Region origin ASes present in the Internet Routing Table:    18669
    ARIN Prefixes per ASN:                                        12.27
ARIN Region origin ASes announcing only one prefix:                6950
ARIN Region transit ASes present in the Internet Routing Table:    1920
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3061
Number of ARIN addresses announced to Internet:              1069882880
    Equivalent to 63 /8s, 197 /16s and 30 /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:                    221732
    Total RIPE prefixes after maximum aggregation:               103662
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           218607
    Unique aggregates announced from the RIPE address blocks:    129501
RIPE Region origin ASes present in the Internet Routing Table:    26692
    RIPE Prefixes per ASN:                                         8.19
RIPE Region origin ASes announcing only one prefix:               11683
RIPE Region transit ASes present in the Internet Routing Table:    3754
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8774
Number of RIPE addresses announced to Internet:               723675520
    Equivalent to 43 /8s, 34 /16s and 105 /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
                       196608-210331
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:                  102134
    Total LACNIC prefixes after maximum aggregation:              23568
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:         103220
    Unique aggregates announced from the LACNIC address blocks:   45086
LACNIC Region origin ASes present in the Internet Routing Table:   9205
    LACNIC Prefixes per ASN:                                      11.21
LACNIC Region origin ASes announcing only one prefix:              2351
LACNIC Region transit ASes present in the Internet Routing Table:  1747
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        40
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6767
Number of LACNIC addresses announced to Internet:             173940736
    Equivalent to 10 /8s, 94 /16s and 32 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  21874
    Total AfriNIC prefixes after maximum aggregation:              4438
    AfriNIC Deaggregation factor:                                  4.93
Prefixes being announced from the AfriNIC address blocks:         32368
    Unique aggregates announced from the AfriNIC address blocks:  10478
AfriNIC Region origin ASes present in the Internet Routing Table:  1359
    AfriNIC Prefixes per ASN:                                     23.82
AfriNIC Region origin ASes announcing only one prefix:              487
AfriNIC Region transit ASes present in the Internet Routing Table:  271
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  640
Number of AfriNIC addresses announced to Internet:            106218496
    Equivalent to 6 /8s, 84 /16s and 196 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & 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         5162        635     598  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4688       4192      73  ERX-CERNET-BKB China Education and Rese
  7552         3283       1331      24  VIETEL-AS-AP Viettel Group, VN
 45899         3115       1781     106  VNPT-AS-VN VNPT Corp, VN
  7713         2700        798     486  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2623       9043      62  CMNET-GD Guangdong Mobile Communication
  9829         2454       1447     439  BSNL-NIB National Internet Backbone, IN
  4766         2384      11111     665  KIXS-AS-KR Korea Telecom, KR
  9498         2214        433     214  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2151        442     195  TATACOMM-AS TATA Communications formerl

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  7155         4047        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3844        253     651  CABLEONE - CABLE ONE, INC., US
 16509         3797       7702    1675  AMAZON-02 - Amazon.com, Inc., US
 22773         3493       2970     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3377       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2967       1556    2130  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2274        357      90  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2165       5075     534  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 20115         2134       2773     518  CHARTER-20115 - Charter Communications,
 18566         2063        405     103  MEGAPATH5-US - MegaPath Corporation, 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         5811       1635     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 31334         3361        484      13  KABELDEUTSCHLAND-AS, DE
  8551         3083        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2803        471    1961  AKAMAI-ASN1, US
 12389         2473       2236     712  ROSTELECOM-AS, RU
 34984         2144        349     547  TELLCOM-AS, TR
  9009         2001        216    1086  M247, GB
  9121         1950       1691      18  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA

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         6164       3296     612  Uninet S.A. de C.V., MX
 10620         3359        533     463  Telmex Colombia S.A., CO
 11830         2682        369      63  Instituto Costarricense de Electricidad
  6503         1681        323     388  Axtel, S.A.B. de C.V., MX
  7303         1480       1026     267  Telecom Argentina S.A., AR
 28573         1222       2233     199  CLARO S.A., BR
 13999         1142        495     269  Mega Cable, S.A. de C.V., MX
  3816         1123        561     133  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147         1097        380      36  Telefonica del Peru S.A.A., PE
 11172          942        111      65  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         1221        393      23  LINKdotNET-AS, EG
 36992         1032       1535      73  ETISALAT-MISR, EG
 24835          979        570      24  RAYA-AS, EG
 36903          876        452      97  MT-MPLS, MA
  8452          681       1857      19  TE-AS TE-AS, EG
  6713          622       1863      34  IAM-AS, MA
 29571          559         68      11  ORANGE-COTE-IVOIRE, CI
 37342          481         32       1  MOVITEL, MZ
 15399          359         45      10  WANANCHI-, KE
 36935          357        522      41  Vodafone-, EG

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         6164       3296     612  Uninet S.A. de C.V., MX
 12479         5811       1635     135  UNI2-AS, ES
  7545         5162        635     598  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4688       4192      73  ERX-CERNET-BKB China Education and Rese
  7155         4047        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3844        253     651  CABLEONE - CABLE ONE, INC., US
 16509         3797       7702    1675  AMAZON-02 - Amazon.com, Inc., US
 22773         3493       2970     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3377       1324      93  SHAW - Shaw Communications Inc., CA

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
 12479       5811         5676   UNI2-AS, ES
  4538       4688         4615   ERX-CERNET-BKB China Education and Research Net
  7545       5162         4564   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4047         4020   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 31334       3361         3348   KABELDEUTSCHLAND-AS, DE
 22773       3493         3341   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327       3377         3284   SHAW - Shaw Communications Inc., CA
  7552       3283         3259   VIETEL-AS-AP Viettel Group, VN
 11492       3844         3193   CABLEONE - CABLE ONE, INC., US

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  64501   DOCUMENT     45.174.25.0/24      267817       UNKNOWN
 267874   UNALLOCATED  45.175.152.0/22      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.152.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.153.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.154.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.155.0/24      52361       ARSAT - Empresa Argentina de S
 260984   UNALLOCATED  45.175.186.0/23      16735       ALGAR TELECOM S/A, BR
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65595   UNALLOCATED  46.234.9.0/24        15924       BORUSANTELEKOM-AS, TR

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

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
23.136.224.0/24      15206    6X7 - 6x7 Networks LLC, ZZ
27.100.7.0/24        56096    UNKNOWN
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
41.67.192.0/18       15964    CAMNET-AS, CM
41.67.192.0/24       15964    CAMNET-AS, CM
41.67.200.0/24       15964    CAMNET-AS, CM
41.67.201.0/24       15964    CAMNET-AS, CM
41.67.202.0/24       15964    CAMNET-AS, CM

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        /8:10       /9:11      /10:37      /11:98      /12:287     
/13:579     /14:1162    /15:1921    /16:13360   /17:8088    /18:13868   
/19:25728   /20:40366   /21:47512   /22:98135   /23:80179   /24:454740  
/25:1319    /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     4766          5811    UNI2-AS, ES
 31334     3206          3361    KABELDEUTSCHLAND-AS, DE
  6327     3165          3377    SHAW - Shaw Communications Inc., CA
  7155     3139          4047    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492     2997          3844    CABLEONE - CABLE ONE, INC., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 22773     2718          3493    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2542          3083    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2030          2682    Instituto Costarricense de Electricidad y Telec
 30036     2023          2274    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi

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

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

   1:1540      2:1139      3:12        4:19        5:3154      6:47     
   8:1366      9:1        12:1794     13:489      14:2186     15:54     
  16:9        17:278      18:79       20:56       23:3135     24:2610   
  25:4        27:2502     31:2802     32:101      35:45       36:937    
  37:3215     38:1809     39:310      40:133      41:3272     42:838    
  43:2123     44:187      45:12464    46:3232     47:267      49:1422   
  50:1134     51:344      52:1135     54:275      55:671      56:6      
  57:47       58:1905     59:1118     60:662      61:2217     62:2122   
  63:1927     64:5001     65:2301     66:4805     67:2801     68:1215   
  69:3811     70:1393     71:671      72:2749     74:2691     75:1434   
  76:665      77:2518     78:1967     79:2323     80:1833     81:1547   
  82:1186     83:982      84:1205     85:2437     86:589      87:1644   
  88:1053     89:2642     90:272      91:7429     92:1448     93:2439   
  94:2599     95:3697     96:999      97:339      98:961      99:963    
 100:85      101:1094    102:704     103:22741   104:3618    105:367    
 106:838     107:1856    108:687     109:3636    110:1764    111:1930   
 112:1562    113:1385    114:1441    115:1823    116:1804    117:2012   
 118:2089    119:1673    120:886     121:1039    122:2334    123:1880   
 124:1575    125:2015    128:1383    129:904     130:583     131:1848   
 132:766     133:297     134:1272    135:272     136:594     137:854    
 138:2172    139:983     140:654     141:850     142:813     143:1106   
 144:939     145:290     146:1456    147:992     148:1886    149:1035   
 150:803     151:1282    152:1454    153:367     154:4482    155:869    
 156:2959    157:1064    158:695     159:1936    160:1667    161:1051   
 162:3033    163:877     164:1294    165:1205    166:536     167:1456   
 168:3571    169:492     170:4203    171:710     172:1842    173:2343   
 174:1037    175:1009    176:2694    177:4162    178:2835    179:1433   
 180:2172    181:2377    182:2811    183:1110    184:2389    185:15831  
 186:3762    187:2561    188:3471    189:2064    190:8268    191:1475   
 192:10162   193:7191    194:5802    195:4224    196:3360    197:1945   
 198:6079    199:5927    200:7165    201:5136    202:10378   203:10233  
 204:4560    205:3083    206:3258    207:3243    208:4005    209:4329   
 210:3984    211:1998    212:3291    213:2979    214:1124    215:52     
 216:5891    217:2307    218:900     219:615     220:1960    221:943    
 222:1020    223:1354   

End of report