Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 24 18:02:59 CST 2017


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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 25 Nov, 2017

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

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

BGP routing table entries examined:                              671033
    Prefixes after maximum aggregation (per Origin AS):          261644
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      324996
Total ASes present in the Internet Routing Table:                 59154
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           51075
Origin ASes announcing only one prefix:                           22520
Transit ASes present in the Internet Routing Table:                8079
Transit-only ASes present in the Internet Routing Table:            236
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                93
    Number of instances of unregistered ASNs:                        93
Number of 32-bit ASNs allocated by the RIRs:                      20684
Number of 32-bit ASNs visible in the Routing Table:               16548
Prefixes from 32-bit ASNs in the Routing Table:                   67751
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            361
Number of addresses announced to Internet:                   2860612768
    Equivalent to 170 /8s, 129 /16s and 124 /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:               98.7
Total number of prefixes smaller than registry allocations:      222029

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

Prefixes being announced by APNIC Region ASes:                   184121
    Total APNIC prefixes after maximum aggregation:               52958
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          183299
    Unique aggregates announced from the APNIC address blocks:    76534
APNIC Region origin ASes present in the Internet Routing Table:    8500
    APNIC Prefixes per ASN:                                       21.56
APNIC Region origin ASes announcing only one prefix:               2392
APNIC Region transit ASes present in the Internet Routing Table:   1230
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3364
Number of APNIC addresses announced to Internet:              766844704
    Equivalent to 45 /8s, 181 /16s and 31 /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, 131072-137529
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:                    201230
    Total ARIN prefixes after maximum aggregation:                96918
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           202591
    Unique aggregates announced from the ARIN address blocks:     94796
ARIN Region origin ASes present in the Internet Routing Table:    18033
    ARIN Prefixes per ASN:                                        11.23
ARIN Region origin ASes announcing only one prefix:                6687
ARIN Region transit ASes present in the Internet Routing Table:    1780
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2268
Number of ARIN addresses announced to Internet:              1112570912
    Equivalent to 66 /8s, 80 /16s and 124 /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, 393216-397212
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,  45/8,  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:                    181159
    Total RIPE prefixes after maximum aggregation:                88503
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           177056
    Unique aggregates announced from the RIPE address blocks:    106800
RIPE Region origin ASes present in the Internet Routing Table:    24646
    RIPE Prefixes per ASN:                                         7.18
RIPE Region origin ASes announcing only one prefix:               11258
RIPE Region transit ASes present in the Internet Routing Table:    3503
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6415
Number of RIPE addresses announced to Internet:               713358720
    Equivalent to 42 /8s, 132 /16s and 253 /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
                       196608-207259
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:                   86384
    Total LACNIC prefixes after maximum aggregation:              19288
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          87654
    Unique aggregates announced from the LACNIC address blocks:   39340
LACNIC Region origin ASes present in the Internet Routing Table:   6608
    LACNIC Prefixes per ASN:                                      13.26
LACNIC Region origin ASes announcing only one prefix:              1824
LACNIC Region transit ASes present in the Internet Routing Table:  1224
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4128
Number of LACNIC addresses announced to Internet:             172452320
    Equivalent to 10 /8s, 71 /16s and 105 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  18044
    Total AfriNIC prefixes after maximum aggregation:              3909
    AfriNIC Deaggregation factor:                                  4.62
Prefixes being announced from the AfriNIC address blocks:         20072
    Unique aggregates announced from the AfriNIC address blocks:   7236
AfriNIC Region origin ASes present in the Internet Routing Table:  1100
    AfriNIC Prefixes per ASN:                                     18.25
AfriNIC Region origin ASes announcing only one prefix:              358
AfriNIC Region transit ASes present in the Internet Routing Table:  218
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  373
Number of AfriNIC addresses announced to Internet:             94937856
    Equivalent to 5 /8s, 168 /16s and 163 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 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
  4538         5279       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4062        410     408  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2789      11128     758  KIXS-AS-KR Korea Telecom, KR
 17974         2777        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2759       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2369       1505     156  VNPT-AS-VN VNPT Corp, VN
  7552         2296       1158      60  VIETEL-AS-AP Viettel Group, VN
  9394         2169       4931      26  CTTNET China TieTong Telecommunications
  4755         2083        422     212  TATACOMM-AS TATA Communications formerl
  9808         2068       8699      32  CMNET-GD Guangdong Mobile Communication

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
  6327         3348       1323      87  SHAW - Shaw Communications Inc., CA
 22773         3308       2952     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2171        405     107  MEGAPATH5-US - MegaPath Corporation, US
 20115         2054       2288     444  CHARTER-NET-HKY-NC - Charter Communicat
  6389         2013       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 16509         1943       4076     585  AMAZON-02 - Amazon.com, Inc., US
   209         1929       5062     645  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1855        331     259  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1674        235     575  CABLEONE - CABLE ONE, INC., US
   701         1547      10589     625  UUNET - MCI Communications Services, In

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
 39891         3519        186      23  ALJAWWALSTC-AS, SA
 20940         2849        851    2056  AKAMAI-ASN1, US
  8551         2489        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2064        330     426  TELLCOM-AS, TR
 12389         2012       1736     737  ROSTELECOM-AS, RU
 12479         1917       1066     102  UNI2-AS, ES
  9121         1853       1691      17  TTNET, TR
 13188         1604        100      52  TRIOLAN, UA
  6849         1227        355      21  UKRTELNET, UA
  8402         1226        544      14  CORBINA-AS OJSC "Vimpelcom", RU

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
 10620         3553        538     297  Telmex Colombia S.A., CO
  8151         3446       3425     581  Uninet S.A. de C.V., MX
 11830         2645        370      66  Instituto Costarricense de Electricidad
  6503         1622        437      53  Axtel, S.A.B. de C.V., MX
  7303         1495       1021     196  Telecom Argentina S.A., AR
  6147         1220        377      27  Telefonica del Peru S.A.A., PE
  3816         1034        512     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          999       2258     193  CLARO S.A., BR
 11172          914        126      86  Alestra, S. de R.L. de C.V., MX
 18881          903       1063      28  TELEFÔNICA BRASIL S.A, BR

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         1210        398      48  LINKdotNET-AS, EG
 37611          802         91       8  Afrihost, ZA
 36903          736        370     138  MT-MPLS, MA
 36992          678       1383      31  ETISALAT-MISR, EG
  8452          524       1730      17  TE-AS TE-AS, EG
 24835          515        850      15  RAYA-AS, EG
 29571          431         36      10  CITelecom-AS, CI
 37492          425        367      77  ORANGE-, TN
 37342          355         32       1  MOVITEL, MZ
 15399          349         35       7  WANANCHI-, KE

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
  4538         5279       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4062        410     408  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3553        538     297  Telmex Colombia S.A., CO
 39891         3519        186      23  ALJAWWALSTC-AS, SA
  8151         3446       3425     581  Uninet S.A. de C.V., MX
  6327         3348       1323      87  SHAW - Shaw Communications Inc., CA
 22773         3308       2952     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 20940         2849        851    2056  AKAMAI-ASN1, US
  4766         2789      11128     758  KIXS-AS-KR Korea Telecom, KR
 17974         2777        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

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

  ASN   No of nets  Net Savings  Description
  7545       4062         3654   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3519         3496   ALJAWWALSTC-AS, SA
  6327       3348         3261   SHAW - Shaw Communications Inc., CA
 10620       3553         3256   Telmex Colombia S.A., CO
 22773       3308         3154   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3446         2865   Uninet S.A. de C.V., MX
 17974       2777         2701   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2645         2579   Instituto Costarricense de Electricidad y Telec
  8551       2489         2447   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2296         2236   VIETEL-AS-AP Viettel Group, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
  65501   PRIVATE      5.141.112.0/22        6828       USI, RU
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  64710   PRIVATE      39.134.26.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.28.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.30.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.31.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.20.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.22.0/24       56042       CMNET-SHANXI-AP China Mobile c
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW

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

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

Network            Origin AS  Description
14.128.12.0/22       55427    BROADLINK-AS-AP Broadlink Nepal, NP
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN

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        /8:15       /9:13      /10:36      /11:106     /12:285     
/13:550     /14:1060    /15:1856    /16:13336   /17:7754    /18:13617   
/19:25184   /20:38959   /21:43744   /22:81587   /23:66378   /24:374339  
/25:840     /26:622     /27:652     /28:35      /29:21      /30:15      
/31:2       /32:27      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3141          3348    SHAW - Shaw Communications Inc., CA
 39891     2946          3519    ALJAWWALSTC-AS, SA
 22773     2544          3308    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2066          2171    MEGAPATH5-US - MegaPath Corporation, US
 11830     1989          2645    Instituto Costarricense de Electricidad y Telec
  8551     1953          2489    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1622          1855    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1544          3553    Telmex Colombia S.A., CO
 11492     1493          1674    CABLEONE - CABLE ONE, INC., US
 34984     1371          2064    TELLCOM-AS, TR

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

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

   1:1565      2:816       4:18        5:2598      6:38        8:1079   
   9:1        12:1853     13:181      14:1741     15:29       16:3      
  17:184      18:76       20:52       21:1        23:2407     24:1938   
  25:2        27:2367     31:1957     32:87       35:21       36:455    
  37:2431     38:1439     39:87       40:100      41:3048     42:519    
  43:1895     44:82       45:3307     46:2835     47:183      49:1369   
  50:1040     51:34       52:903      54:354      55:5        56:4      
  57:42       58:1573     59:994      60:367      61:1986     62:1776   
  63:1838     64:4596     65:2242     66:4488     67:2299     68:1193   
  69:3173     70:1131     71:588      72:2098     74:2681     75:389    
  76:415      77:1527     78:1569     79:1886     80:1442     81:1411   
  82:1036     83:753      84:1000     85:1960     86:481      87:1230   
  88:887      89:2298     90:174      91:6244     92:1029     93:2345   
  94:2410     95:2675     96:667      97:351      98:963      99:103    
 100:154     101:1482    102:1       103:16186   104:3185    105:208    
 106:566     107:1774    108:815     109:2942    110:1505    111:1732   
 112:1270    113:1353    114:1074    115:1599    116:1705    117:1642   
 118:2159    119:1650    120:713     121:1073    122:2408    123:1901   
 124:1482    125:1824    128:934     129:680     130:445     131:1544   
 132:600     133:193     134:895     135:227     136:442     137:464    
 138:1961    139:539     140:381     141:677     142:753     143:913    
 144:801     145:190     146:1136    147:694     148:1562    149:622    
 150:708     151:1003    152:729     153:302     154:952     155:740    
 156:731     157:752     158:599     159:1607    160:814     161:734    
 162:2534    163:529     164:931     165:1471    166:392     167:1349   
 168:3103    169:821     170:3541    171:399     172:1011    173:1893   
 174:826     175:774     176:1895    177:3989    178:2497    179:1160   
 180:2243    181:2106    182:2422    183:807     184:887     185:11535  
 186:3299    187:2276    188:2593    189:1894    190:8190    191:1322   
 192:9715    193:5862    194:4762    195:3979    196:2247    197:1423   
 198:5548    199:5876    200:7206    201:4867    202:10401   203:9959   
 204:4569    205:2871    206:3072    207:3096    208:3984    209:3879   
 210:3939    211:2051    212:2886    213:2586    214:850     215:65     
 216:5711    217:2096    218:871     219:602     220:1678    221:938    
 222:718     223:1202   

End of report


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