Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 13 18:01:46 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,
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 14 Jan, 2017

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

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

BGP routing table entries examined:                              628138
    Prefixes after maximum aggregation (per Origin AS):          221607
    Deaggregation factor:                                          2.83
    Unique aggregates announced (without unneeded subnets):      304580
Total ASes present in the Internet Routing Table:                 55581
    Prefixes per ASN:                                             11.30
Origin-only ASes present in the Internet Routing Table:           36240
Origin ASes announcing only one prefix:                           15211
Transit ASes present in the Internet Routing Table:                6557
Transit-only ASes present in the Internet Routing Table:            170
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                51
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      16861
Number of 32-bit ASNs visible in the Routing Table:               12784
Prefixes from 32-bit ASNs in the Routing Table:                   52671
Number of bogon 32-bit ASNs visible in the Routing Table:           725
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            381
Number of addresses announced to Internet:                   2832873956
    Equivalent to 168 /8s, 218 /16s and 57 /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:      208158

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

Prefixes being announced by APNIC Region ASes:                   156458
    Total APNIC prefixes after maximum aggregation:               43125
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          171200
    Unique aggregates announced from the APNIC address blocks:    70946
APNIC Region origin ASes present in the Internet Routing Table:    5188
    APNIC Prefixes per ASN:                                       33.00
APNIC Region origin ASes announcing only one prefix:               1135
APNIC Region transit ASes present in the Internet Routing Table:    941
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2610
Number of APNIC addresses announced to Internet:              761620356
    Equivalent to 45 /8s, 101 /16s and 103 /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:                    188178
    Total ARIN prefixes after maximum aggregation:                89286
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           195218
    Unique aggregates announced from the ARIN address blocks:     89636
ARIN Region origin ASes present in the Internet Routing Table:    16064
    ARIN Prefixes per ASN:                                        12.15
ARIN Region origin ASes announcing only one prefix:                5595
ARIN Region transit ASes present in the Internet Routing Table:    1718
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:    1702
Number of ARIN addresses announced to Internet:              1104227488
    Equivalent to 65 /8s, 209 /16s and 44 /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:                    151356
    Total RIPE prefixes after maximum aggregation:                73249
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           162799
    Unique aggregates announced from the RIPE address blocks:     99050
RIPE Region origin ASes present in the Internet Routing Table:    18151
    RIPE Prefixes per ASN:                                         8.97
RIPE Region origin ASes announcing only one prefix:                7762
RIPE Region transit ASes present in the Internet Routing Table:    3050
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:    5104
Number of RIPE addresses announced to Internet:               709410176
    Equivalent to 42 /8s, 72 /16s and 189 /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:                   64045
    Total LACNIC prefixes after maximum aggregation:              12654
    LACNIC Deaggregation factor:                                   5.06
Prefixes being announced from the LACNIC address blocks:          80795
    Unique aggregates announced from the LACNIC address blocks:   37929
LACNIC Region origin ASes present in the Internet Routing Table:   2483
    LACNIC Prefixes per ASN:                                      32.54
LACNIC Region origin ASes announcing only one prefix:               548
LACNIC Region transit ASes present in the Internet Routing Table:   592
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3082
Number of LACNIC addresses announced to Internet:             171021888
    Equivalent to 10 /8s, 49 /16s and 150 /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:                  15378
    Total AfriNIC prefixes after maximum aggregation:              3286
    AfriNIC Deaggregation factor:                                  4.68
Prefixes being announced from the AfriNIC address blocks:         17745
    Unique aggregates announced from the AfriNIC address blocks:   6672
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     24.11
AfriNIC Region origin ASes announcing only one prefix:              171
AfriNIC Region transit ASes present in the Internet Routing Table:  186
Average AfriNIC Region AS path length visible:                      4.7
    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:             86134016
    Equivalent to 5 /8s, 34 /16s and 77 /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     3731        390         255   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2984        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2731      11133         742   KIXS-AS-KR Korea Telecom, KR
 9829     2684       1498         535   BSNL-NIB National Internet Backbone, IN
 9808     2296       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2047        428         217   TATACOMM-AS TATA Communications formerl
45899     1808       1265         100   VNPT-AS-VN VNPT Corp, VN
 4808     1638       1790         453   CHINA169-BJ China Unicom Beijing Provin
24560     1561        562         245   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     3613       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3256       1333          82   SHAW - Shaw Communications Inc., CA
18566     2194        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2094       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1959       2023         403   CHARTER-NET-HKY-NC - Charter Communicat
  209     1734       5066         637   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036     1721        322         436   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6983     1678        848         227   ITCDELTA - Earthlink, Inc., US
  701     1599      10629         661   UUNET - MCI Communications Services, In
16509     1520       3028         521   AMAZON-02 - Amazon.com, Inc., 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
39891     3334        171          18   ALJAWWALSTC-AS , SA
20940     2995       1129        2135   AKAMAI-ASN1 , US
 9121     2253       1707          94   TTNET , TR
34984     1991        327         374   TELLCOM-AS , TR
13188     1604         99          61   TRIOLAN , UA
12479     1427       1033          51   UNI2-AS , ES
 6849     1312        355          22   UKRTELNET , UA
 8551     1206        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 8402     1154        544          15   CORBINA-AS OJSC "Vimpelcom", RU
 9198     1018        352          25   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     3533        544         173   Telmex Colombia S.A., CO
 8151     2479       3374         548   Uninet S.A. de C.V., MX
11830     1799        368          66   Instituto Costarricense de Electricidad
 6503     1544        437          54   Axtel, S.A.B. de C.V., MX
 7303     1525        974         254   Telecom Argentina S.A., AR
 6147     1352        377          27   Telefonica del Peru S.A.A., PE
28573     1054       2271         177   CLARO S.A., BR
 3816     1007        479         179   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664      993        236          87   Techtel LMDS Comunicaciones Interactiva
17072      968        127         346   TOTAL PLAY TELECOMUNICACIONES SA DE CV,

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      703        353         122   MT-MPLS, MA
37611      679         67           6   Afrihost, ZA
36992      580       1373          25   ETISALAT-MISR, EG
24835      492        658          16   RAYA-AS, EG
 8452      489       1474          16   TE-AS TE-AS, EG
37492      401        290          74   ORANGE-TN, TN
29571      368         36          10   CITelecom-AS, CI
15399      316         35           6   WANANCHI-KE, 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     5544       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3731        390         255   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3613       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3533        544         173   Telmex Colombia S.A., CO
39891     3334        171          18   ALJAWWALSTC-AS , SA
 6327     3256       1333          82   SHAW - Shaw Communications Inc., CA
20940     2995       1129        2135   AKAMAI-ASN1 , US
17974     2984        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2731      11133         742   KIXS-AS-KR Korea Telecom, KR
 9829     2684       1498         535   BSNL-NIB National Internet Backbone, IN

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      3731        3476      TPG-INTERNET-AP TPG Telecom Limited, AU
22773      3613        3462      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3533        3360      Telmex Colombia S.A., CO
39891      3334        3316      ALJAWWALSTC-AS , SA
 6327      3256        3174      SHAW - Shaw Communications Inc., CA
17974      2984        2913      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2296        2263      CMNET-GD Guangdong Mobile Communication
 9121      2253        2159      TTNET , TR
 9829      2684        2149      BSNL-NIB National Internet Backbone, IN
18566      2194        2085      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
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
65001   PRIVATE      94.242.128.0/20      15468       KLGELECS-AS 38, Teatralnaya st

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

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

Network            Origin AS  Description
14.128.12.0/22       55763     UNKNOWN
14.128.12.0/24       55763     UNKNOWN
14.128.13.0/24       55763     UNKNOWN
14.128.15.0/24       55763     UNKNOWN
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

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     
/13:532     /14:1051    /15:1789    /16:13162   /17:7788    /18:13039   
/19:25193   /20:38097   /21:40682   /22:73358   /23:61448   /24:350212  
/25:550     /26:406     /27:292     /28:33      /29:18      /30:17      
/31:0       /32:27      

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

  ASN   No of nets  Total ann.   Description
 6327     3053          3256      SHAW - Shaw Communications Inc., CA
39891     2896          3334      ALJAWWALSTC-AS , SA
22773     2814          3613      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2087          2194      MEGAPATH5-US - MegaPath Corporation, US
 9121     1581          2253      TTNET , TR
30036     1536          1721      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1448          3533      Telmex Colombia S.A., CO
 6389     1392          2094      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1349          1604      TRIOLAN , UA
 6983     1323          1678      ITCDELTA - Earthlink, Inc., US

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

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

   1:1578      2:829       4:25        5:2423      6:32        8:1025   
  12:1811     13:71       14:1773     15:23       16:2        17:106    
  18:128      19:1        20:51       23:1980     24:1814     27:2402   
  31:1847     32:89       33:9        34:1        35:3        36:389    
  37:2484     38:1308     39:45       40:99       41:2890     42:452    
  43:1919     44:54       45:2319     46:2559     47:108      49:1203   
  50:948      51:17       52:619      54:355      55:6        56:4      
  57:40       58:1599     59:979      60:389      61:1863     62:1505   
  63:1933     64:4544     65:2186     66:4389     67:2223     68:1166   
  69:3295     70:1302     71:570      72:2055     74:2595     75:400    
  76:416      77:1384     78:1572     79:923      80:1364     81:1414   
  82:967      83:722      84:867      85:1689     86:484      87:1129   
  88:778      89:2041     90:197      91:6112     92:984      93:2339   
  94:2347     95:2779     96:567      97:360      98:937      99:97     
 100:148     101:1232    103:13272   104:2678    105:147     106:473    
 107:1511    108:767     109:2547    110:1284    111:1665    112:1146   
 113:1289    114:1007    115:1637    116:1712    117:1610    118:2045   
 119:1585    120:945     121:1073    122:2262    123:2028    124:1571   
 125:1819    128:732     129:502     130:421     131:1362    132:560    
 133:187     134:517     135:211     136:385     137:408     138:1838   
 139:484     140:616     141:511     142:728     143:915     144:762    
 145:165     146:996     147:648     148:1402    149:561     150:679    
 151:924     152:708     153:313     154:726     155:955     156:544    
 157:573     158:431     159:1353    160:567     161:734     162:2464   
 163:533     164:771     165:1141    166:361     167:1249    168:2456   
 169:721     170:2546    171:263     172:897     173:1832    174:785    
 175:708     176:1752    177:4143    178:2418    179:1141    180:2075   
 181:1964    182:2183    183:1013    184:838     185:8453    186:3241   
 187:2249    188:2332    189:1779    190:8168    191:1290    192:9308   
 193:5765    194:4557    195:3858    196:1876    197:1248    198:5606   
 199:5800    200:7307    201:4135    202:10041   203:9841    204:4463   
 205:2768    206:2965    207:3153    208:3990    209:3881    210:3879   
 211:2079    212:2769    213:2446    214:848     215:65      216:5782   
 217:1978    218:824     219:602     220:1678    221:897     222:714    
 223:1149   

End of report



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