Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri May 5 18:02:39 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 06 May, 2017

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

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

BGP routing table entries examined:                              647110
    Prefixes after maximum aggregation (per Origin AS):          252103
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      311926
Total ASes present in the Internet Routing Table:                 57065
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           49371
Origin ASes announcing only one prefix:                           21886
Transit ASes present in the Internet Routing Table:                7694
Transit-only ASes present in the Internet Routing Table:            219
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                71
    Numnber of instances of unregistered ASNs:                       75
Number of 32-bit ASNs allocated by the RIRs:                      18434
Number of 32-bit ASNs visible in the Routing Table:               14310
Prefixes from 32-bit ASNs in the Routing Table:                   57955
Number of bogon 32-bit ASNs visible in the Routing Table:            45
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            409
Number of addresses announced to Internet:                   2843460964
    Equivalent to 169 /8s, 123 /16s and 197 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.6
Total number of prefixes smaller than registry allocations:      216869

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

Prefixes being announced by APNIC Region ASes:                   176804
    Total APNIC prefixes after maximum aggregation:               50891
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          175990
    Unique aggregates announced from the APNIC address blocks:    72729
APNIC Region origin ASes present in the Internet Routing Table:    8063
    APNIC Prefixes per ASN:                                       21.83
APNIC Region origin ASes announcing only one prefix:               2243
APNIC Region transit ASes present in the Internet Routing Table:   1131
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2888
Number of APNIC addresses announced to Internet:              763094372
    Equivalent to 45 /8s, 123 /16s and 229 /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:                    197305
    Total ARIN prefixes after maximum aggregation:                94097
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           199402
    Unique aggregates announced from the ARIN address blocks:     91373
ARIN Region origin ASes present in the Internet Routing Table:    17899
    ARIN Prefixes per ASN:                                        11.14
ARIN Region origin ASes announcing only one prefix:                6640
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:    1953
Number of ARIN addresses announced to Internet:              1108934048
    Equivalent to 66 /8s, 24 /16s and 253 /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:                    174832
    Total RIPE prefixes after maximum aggregation:                85064
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           170401
    Unique aggregates announced from the RIPE address blocks:    102059
RIPE Region origin ASes present in the Internet Routing Table:    23966
    RIPE Prefixes per ASN:                                         7.11
RIPE Region origin ASes announcing only one prefix:               11062
RIPE Region transit ASes present in the Internet Routing Table:    3404
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:    5787
Number of RIPE addresses announced to Internet:               711675008
    Equivalent to 42 /8s, 107 /16s and 76 /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:                   81148
    Total LACNIC prefixes after maximum aggregation:              18204
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:          82370
    Unique aggregates announced from the LACNIC address blocks:   38448
LACNIC Region origin ASes present in the Internet Routing Table:   5852
    LACNIC Prefixes per ASN:                                      14.08
LACNIC Region origin ASes announcing only one prefix:              1620
LACNIC Region transit ASes present in the Internet Routing Table:  1079
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3370
Number of LACNIC addresses announced to Internet:             169866464
    Equivalent to 10 /8s, 31 /16s and 244 /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:                  16916
    Total AfriNIC prefixes after maximum aggregation:              3786
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:         18538
    Unique aggregates announced from the AfriNIC address blocks:   6966
AfriNIC Region origin ASes present in the Internet Routing Table:  1039
    AfriNIC Prefixes per ASN:                                     17.84
AfriNIC Region origin ASes announcing only one prefix:              321
AfriNIC Region transit ASes present in the Internet Routing Table:  207
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  312
Number of AfriNIC addresses announced to Internet:             89454848
    Equivalent to 5 /8s, 84 /16s and 249 /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         5567       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3785        393     271  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2932        901      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2762      11150     758  KIXS-AS-KR Korea Telecom, KR
  9829         2732       1499     539  BSNL-NIB National Internet Backbone, IN
  9808         2212       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2079        421     222  TATACOMM-AS TATA Communications formerl
 45899         1983       1388     110  VNPT-AS-VN VNPT Corp, VN
  7552         1588       1101      55  VIETEL-AS-AP Viettel Corporation, VN
  9583         1573        121     541  SIFY-AS-IN Sify Limited, IN

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         4008       2969     153  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3361       1333      80  SHAW - Shaw Communications Inc., CA
 18566         2182        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2069       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2006       2153     405  CHARTER-NET-HKY-NC - Charter Communicat
   209         1828       5067     633  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1786       3422     571  AMAZON-02 - Amazon.com, Inc., US
 30036         1751        322     338  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1692        854     230  ITCDELTA - Earthlink, Inc., US
   701         1567      10579     639  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         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3224        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2880       1006    2063  AKAMAI-ASN1, US
  9121         2659       1691      18  TTNET, TR
 34984         2007        328     385  TELLCOM-AS, TR
 13188         1596         99      56  TRIOLAN, UA
 12479         1566       1044      52  UNI2-AS, ES
 12389         1484       1357     610  ROSTELECOM-AS, RU
  9198         1322        352      25  KAZTELECOM-AS, KZ
  6849         1226        355      21  UKRTELNET, 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
 10620         3536        544     172  Telmex Colombia S.A., CO
  8151         2517       3396     562  Uninet S.A. de C.V., MX
 11830         2081        369      57  Instituto Costarricense de Electricidad
  7303         1557       1005     247  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1267        377      27  Telefonica del Peru S.A.A., PE
 28573         1083       2286     179  CLARO S.A., BR
  3816         1018        495     186  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          921        126      80  Alestra, S. de R.L. de C.V., MX
 18881          892       1052      23  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         1209        398      48  LINKdotNET-AS, EG
 36903          712        357     134  MT-MPLS, MA
 37611          704         67       7  Afrihost, ZA
 36992          625       1375      26  ETISALAT-MISR, EG
 24835          496        722      14  RAYA-AS, EG
 37492          408        319      74  ORANGE-, TN
  8452          407       1730      17  TE-AS TE-AS, EG
 29571          367         36      10  CITelecom-AS, CI
 15399          348         35       7  WANANCHI-, KE
  2018          287        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         5567       4190      74  ERX-CERNET-BKB China Education and Rese
 22773         4008       2969     153  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3785        393     271  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3536        544     172  Telmex Colombia S.A., CO
  6327         3361       1333      80  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3224        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2932        901      79  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2880       1006    2063  AKAMAI-ASN1, US
  4766         2762      11150     758  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       4008         3855   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3785         3514   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3536         3364   Telmex Colombia S.A., CO
 39891       3338         3316   ALJAWWALSTC-AS, SA
  6327       3361         3281   SHAW - Shaw Communications Inc., CA
  8551       3224         3183   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2932         2853   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2659         2641   TTNET, TR
  9829       2732         2193   BSNL-NIB National Internet Backbone, IN
  9808       2212         2179   CMNET-GD Guangdong Mobile Communication Co.Ltd.

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
  65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom

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

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

Network            Origin AS  Description
23.167.128.0/24     395774    UNKNOWN
27.100.7.0/24        56096    UNKNOWN
36.255.248.0/24      64091    CORONET-BD Coronet Corporation Ltd., BD
36.255.250.0/24      64091    CORONET-BD Coronet Corporation Ltd., BD
41.76.232.0/21      203496    AB-TELECOM, RU
41.77.248.0/21      203496    AB-TELECOM, RU
41.78.12.0/23       203496    AB-TELECOM, RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM, RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

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      /11:103     /12:280     
/13:545     /14:1043    /15:1841    /16:13455   /17:7571    /18:13417   
/19:24717   /20:38416   /21:41248   /22:76405   /23:63583   /24:362203  
/25:846     /26:620     /27:627     /28:44      /29:29      /30:25      
/31:1       /32:27      

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

   ASN   No of nets  Total ann.  Description
 22773     3162          4008    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327     3155          3361    SHAW - Shaw Communications Inc., CA
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2686          3224    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2075          2182    MEGAPATH5-US - MegaPath Corporation, US
  9121     1905          2659    TTNET, TR
 30036     1554          1751    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1475          2081    Instituto Costarricense de Electricidad y Telec
 10620     1464          3536    Telmex Colombia S.A., CO
  6389     1375          2069    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1607      2:817       4:26        5:2438      6:34        8:1077   
  12:1833     13:116      14:1786     15:26       16:2        17:121    
  18:120      19:1        20:56       23:2256     24:1864     25:2      
  27:2412     31:1915     32:89       33:7        35:20       36:398    
  37:2581     38:1348     39:44       40:97       41:3006     42:468    
  43:1909     44:72       45:2565     46:2744     47:116      49:1195   
  50:976      51:18       52:807      54:360      55:4        56:4      
  57:41       58:1581     59:1039     60:387      61:1907     62:1532   
  63:1919     64:4580     65:2212     66:4556     67:2239     68:1227   
  69:3350     70:1317     71:583      72:2193     74:2666     75:382    
  76:427      77:1484     78:1657     79:2067     80:1376     81:1410   
  82:985      83:729      84:869      85:1798     86:481      87:1159   
  88:836      89:2078     90:169      91:6162     92:1009     93:2386   
  94:2328     95:2859     96:606      97:359      98:1005     99:85     
 100:156     101:1260    103:14549   104:2862    105:177     106:498    
 107:1640    108:811     109:3421    110:1330    111:1738    112:1174   
 113:1216    114:1036    115:1785    116:1777    117:1724    118:2157   
 119:1581    120:1006    121:1101    122:2236    123:1786    124:1540   
 125:1870    128:744     129:627     130:440     131:1391    132:526    
 133:190     134:620     135:219     136:515     137:435     138:1932   
 139:476     140:375     141:564     142:741     143:972     144:780    
 145:177     146:1036    147:659     148:1387    149:568     150:710    
 151:957     152:754     153:297     154:793     155:740     156:581    
 157:621     158:448     159:1444    160:581     161:748     162:2488   
 163:524     164:793     165:1201    166:385     167:1246    168:2608   
 169:779     170:3197    171:300     172:979     173:1855    174:819    
 175:735     176:1840    177:4109    178:2468    179:1144    180:2196   
 181:1857    182:2330    183:983     184:856     185:9555    186:3202   
 187:2231    188:2631    189:1793    190:8149    191:1317    192:9380   
 193:5785    194:4651    195:3847    196:2080    197:1239    198:5516   
 199:5881    200:7340    201:4332    202:10342   203:9865    204:4468   
 205:2798    206:3009    207:3129    208:4015    209:3970    210:3957   
 211:2134    212:2815    213:2496    214:878     215:65      216:5768   
 217:2079    218:839     219:608     220:1653    221:908     222:758    
 223:1177   

End of report


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