[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 3 18:02:47 UTC 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 04 Feb, 2017

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

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

BGP routing table entries examined:                              633950
    Prefixes after maximum aggregation (per Origin AS):          247336
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      305776
Total ASes present in the Internet Routing Table:                 56129
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           48582
Origin ASes announcing only one prefix:                           21685
Transit ASes present in the Internet Routing Table:                7547
Transit-only ASes present in the Internet Routing Table:            216
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                79
    Numnber of instances of unregistered ASNs:                       80
Number of 32-bit ASNs allocated by the RIRs:                      17163
Number of 32-bit ASNs visible in the Routing Table:               13334
Prefixes from 32-bit ASNs in the Routing Table:                   53723
Number of bogon 32-bit ASNs visible in the Routing Table:            46
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            400
Number of addresses announced to Internet:                   2832448228
    Equivalent to 168 /8s, 211 /16s and 186 /24s
    Percentage of available address space announced:               76.5
    Percentage of allocated address space announced:               76.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.4
Total number of prefixes smaller than registry allocations:      211737

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

Prefixes being announced by APNIC Region ASes:                   172877
    Total APNIC prefixes after maximum aggregation:               49602
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          172226
    Unique aggregates announced from the APNIC address blocks:    71217
APNIC Region origin ASes present in the Internet Routing Table:    7818
    APNIC Prefixes per ASN:                                       22.03
APNIC Region origin ASes announcing only one prefix:               2189
APNIC Region transit ASes present in the Internet Routing Table:   1118
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2650
Number of APNIC addresses announced to Internet:              760164996
    Equivalent to 45 /8s, 79 /16s and 50 /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:                    193441
    Total ARIN prefixes after maximum aggregation:                92906
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           195881
    Unique aggregates announced from the ARIN address blocks:     89974
ARIN Region origin ASes present in the Internet Routing Table:    17792
    ARIN Prefixes per ASN:                                        11.01
ARIN Region origin ASes announcing only one prefix:                6646
ARIN Region transit ASes present in the Internet Routing Table:    1767
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:    1749
Number of ARIN addresses announced to Internet:              1104014496
    Equivalent to 65 /8s, 205 /16s and 236 /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:                    168694
    Total RIPE prefixes after maximum aggregation:                83741
    RIPE Deaggregation factor:                                     2.01
Prefixes being announced from the RIPE address blocks:           164013
    Unique aggregates announced from the RIPE address blocks:     99601
RIPE Region origin ASes present in the Internet Routing Table:    23643
    RIPE Prefixes per ASN:                                         6.94
RIPE Region origin ASes announcing only one prefix:               10969
RIPE Region transit ASes present in the Internet Routing Table:    3344
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5514
Number of RIPE addresses announced to Internet:               709672576
    Equivalent to 42 /8s, 76 /16s and 190 /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:                   82376
    Total LACNIC prefixes after maximum aggregation:              17349
    LACNIC Deaggregation factor:                                   4.75
Prefixes being announced from the LACNIC address blocks:          83458
    Unique aggregates announced from the LACNIC address blocks:   37868
LACNIC Region origin ASes present in the Internet Routing Table:   5618
    LACNIC Prefixes per ASN:                                      14.86
LACNIC Region origin ASes announcing only one prefix:              1555
LACNIC Region transit ASes present in the Internet Routing Table:  1031
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3135
Number of LACNIC addresses announced to Internet:             171072576
    Equivalent to 10 /8s, 50 /16s and 92 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  16450
    Total AfriNIC prefixes after maximum aggregation:              3679
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:         17972
    Unique aggregates announced from the AfriNIC address blocks:   6769
AfriNIC Region origin ASes present in the Internet Routing Table:  1016
    AfriNIC Prefixes per ASN:                                     17.69
AfriNIC Region origin ASes announcing only one prefix:              326
AfriNIC Region transit ASes present in the Internet Routing Table:  202
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  286
Number of AfriNIC addresses announced to Internet:             87082496
    Equivalent to 5 /8s, 48 /16s and 198 /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         5544       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3723        391     255  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2979        905      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2729      11133     744  KIXS-AS-KR Korea Telecom, KR
  9829         2717       1501     542  BSNL-NIB National Internet Backbone, IN
  9808         2282       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2059        421     220  TATACOMM-AS TATA Communications formerl
 45899         1918       1284      99  VNPT-AS-VN VNPT Corp, VN
  4808         1641       1788     450  CHINA169-BJ China Unicom Beijing Provin
 24560         1564        567     248  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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
 22773         3625       2968     151  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3349       1333      83  SHAW - Shaw Communications Inc., CA
 18566         2192        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2094       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1968       2034     405  CHARTER-NET-HKY-NC - Charter Communicat
   209         1715       5067     638  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1684        317     470  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1678        848     227  ITCDELTA - Earthlink, Inc., US
 16509         1634       3048     536  AMAZON-02 - Amazon.com, Inc., US
   701         1596      10613     658  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         3334        171      18  ALJAWWALSTC-AS , SA
 20940         3021       1136    2140  AKAMAI-ASN1 , US
  9121         2170       1708      97  TTNET , TR
 34984         1992        327     378  TELLCOM-AS , TR
 13188         1614         99      62  TRIOLAN , UA
  8551         1602        377      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12479         1448       1033      50  UNI2-AS , ES
  6849         1322        355      22  UKRTELNET , UA
  8402         1093        544      15  CORBINA-AS OJSC "Vimpelcom", RU
  9198         1080        352      24  KAZTELECOM-AS , KZ

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         3542        547     139  Telmex Colombia S.A., CO
 26615         3016       2329      44  Tim Celular S.A., BR
  8151         2482       3381     557  Uninet S.A. de C.V., MX
 11830         1804        368      66  Instituto Costarricense de Electricidad
  6503         1570        437      54  Axtel, S.A.B. de C.V., MX
  7303         1526        974     254  Telecom Argentina S.A., AR
  6147         1350        377      27  Telefonica del Peru S.A.A., PE
 28573         1055       2271     178  CLARO S.A., BR
  3816         1005        481     176  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          982        280      35  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         1294        398      42  LINKdotNET-AS, EG
 36903          719        361     123  MT-MPLS, MA
 37611          689         67       6  Afrihost, ZA
 36992          587       1373      25  ETISALAT-MISR, EG
 24835          490        658      16  RAYA-AS, EG
  8452          464       1474      16  TE-AS TE-AS, EG
 37492          392        316      74  ORANGE-TN, TN
 29571          367         36      10  CITelecom-AS, CI
 15399          325         35       6  WANANCHI-KE, KE
  2018          276        327      74  TENET-1, ZA

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         5544       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3723        391     255  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3625       2968     151  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3542        547     139  Telmex Colombia S.A., CO
  6327         3349       1333      83  SHAW - Shaw Communications Inc., CA
 39891         3334        171      18  ALJAWWALSTC-AS , SA
 20940         3021       1136    2140  AKAMAI-ASN1 , US
 26615         3016       2329      44  Tim Celular S.A., BR
 17974         2979        905      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2729      11133     744  KIXS-AS-KR Korea Telecom, KR

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

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

  ASN   No of nets  Net Savings  Description
 22773       3625         3474   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3723         3468   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3542         3403   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS , SA
  6327       3349         3266   SHAW - Shaw Communications Inc., CA
 26615       3016         2972   Tim Celular S.A., BR
 17974       2979         2908   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9808       2282         2249   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2717         2175   BSNL-NIB National Internet Backbone, IN
 18566       2192         2083   MEGAPATH5-US - MegaPath Corporation, 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
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
  65555   UNALLOCATED  37.142.172.0/24      21450       MIRS-AS , IL

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

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

Network            Origin AS  Description
23.165.128.0/24     395475    SCSALSKA - Southeast Communication Services LLC, US
27.100.7.0/24        56096    UNKNOWN
41.73.16.0/24        37004    Suburban-Broadband-AS, NG
41.73.17.0/24        37004    Suburban-Broadband-AS, NG
41.73.18.0/24        37004    Suburban-Broadband-AS, NG
41.73.19.0/24        37004    Suburban-Broadband-AS, NG
41.73.20.0/24        37004    Suburban-Broadband-AS, NG
41.73.21.0/24        37004    Suburban-Broadband-AS, NG
41.73.22.0/24        37004    Suburban-Broadband-AS, NG
41.73.23.0/24        37004    Suburban-Broadband-AS, NG

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:36      /11:103     /12:276     
/13:534     /14:1046    /15:1795    /16:13180   /17:7772    /18:12993   
/19:25190   /20:38053   /21:40726   /22:73958   /23:62472   /24:354420  
/25:560     /26:414     /27:295     /28:34      /29:19      /30:18      
/31:1       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3145          3349    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS , SA
 22773     2822          3625    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 26615     2534          3016    Tim Celular S.A., BR
 18566     2085          2192    MEGAPATH5-US - MegaPath Corporation, US
  9121     1536          2170    TTNET , TR
 30036     1495          1684    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1448          3542    Telmex Colombia S.A., CO
  6389     1392          2094    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1359          1614    TRIOLAN , UA

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

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

   1:1599      2:823       4:25        5:2448      6:32        8:1046   
  12:1815     13:72       14:1772     15:22       16:2        17:102    
  18:128      19:1        20:52       23:1989     24:1843     27:2376   
  31:1870     32:89       33:2        34:1        35:18       36:356    
  37:2528     38:1314     39:43       40:100      41:2889     42:450    
  43:1923     44:61       45:2348     46:2564     47:109      49:1212   
  50:941      51:18       52:702      54:356      55:5        56:4      
  57:40       58:1605     59:984      60:389      61:1894     62:1503   
  63:1929     64:4558     65:2188     66:4412     67:2225     68:1169   
  69:3320     70:1301     71:570      72:2051     74:2597     75:401    
  76:413      77:1433     78:1534     79:1281     80:1378     81:1398   
  82:983      83:727      84:873      85:1684     86:482      87:1129   
  88:778      89:2049     90:208      91:6124     92:954      93:2375   
  94:2346     95:2793     96:572      97:357      98:938      99:91     
 100:148     101:1242    103:13445   104:2690    105:158     106:478    
 107:1524    108:789     109:2541    110:1288    111:1667    112:1149   
 113:1300    114:1026    115:1726    116:1725    117:1633    118:2061   
 119:1565    120:944     121:1099    122:2272    123:2034    124:1541   
 125:1821    128:717     129:617     130:412     131:1386    132:522    
 133:189     134:530     135:213     136:386     137:415     138:1868   
 139:490     140:615     141:518     142:732     143:910     144:766    
 145:167     146:1013    147:657     148:1407    149:569     150:688    
 151:929     152:722     153:313     154:754     155:962     156:546    
 157:579     158:438     159:1390    160:566     161:725     162:2473   
 163:531     164:780     165:1144    166:362     167:1263    168:2465   
 169:732     170:2717    171:273     172:933     173:1825    174:795    
 175:711     176:1770    177:4227    178:2464    179:1657    180:2097   
 181:1993    182:2204    183:1019    184:827     185:8630    186:3202   
 187:2723    188:2350    189:1813    190:8134    191:1949    192:9329   
 193:5771    194:4622    195:3842    196:1946    197:1238    198:5582   
 199:5834    200:7315    201:4136    202:10062   203:9880    204:4461   
 205:2768    206:2974    207:3158    208:3998    209:3884    210:3924   
 211:2099    212:2799    213:2457    214:849     215:64      216:5808   
 217:1985    218:831     219:606     220:1688    221:902     222:726    
 223:1156   

End of report


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