Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 14 18:01:27 UTC 2016


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 15 Oct, 2016

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

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

BGP routing table entries examined:                              613784
    Prefixes after maximum aggregation (per Origin AS):          220540
    Deaggregation factor:                                          2.78
    Unique aggregates announced (without unneeded subnets):      299320
Total ASes present in the Internet Routing Table:                 55015
    Prefixes per ASN:                                             11.16
Origin-only ASes present in the Internet Routing Table:           36378
Origin ASes announcing only one prefix:                           15350
Transit ASes present in the Internet Routing Table:                6526
Transit-only ASes present in the Internet Routing Table:            169
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                55
    Unregistered ASNs in the Routing Table:                          14
Number of 32-bit ASNs allocated by the RIRs:                      15751
Number of 32-bit ASNs visible in the Routing Table:               12111
Prefixes from 32-bit ASNs in the Routing Table:                   48852
Number of bogon 32-bit ASNs visible in the Routing Table:           213
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            363
Number of addresses announced to Internet:                   2834164004
    Equivalent to 168 /8s, 237 /16s and 233 /24s
    Percentage of available address space announced:               76.6
    Percentage of allocated address space announced:               76.6
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.3
Total number of prefixes smaller than registry allocations:      199675

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

Prefixes being announced by APNIC Region ASes:                   156199
    Total APNIC prefixes after maximum aggregation:               42794
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:          170023
    Unique aggregates announced from the APNIC address blocks:    69559
APNIC Region origin ASes present in the Internet Routing Table:    5187
    APNIC Prefixes per ASN:                                       32.78
APNIC Region origin ASes announcing only one prefix:               1148
APNIC Region transit ASes present in the Internet Routing Table:    948
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2411
Number of APNIC addresses announced to Internet:              761008452
    Equivalent to 45 /8s, 92 /16s and 17 /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:                    184767
    Total ARIN prefixes after maximum aggregation:                89684
    ARIN Deaggregation factor:                                     2.06
Prefixes being announced from the ARIN address blocks:           190563
    Unique aggregates announced from the ARIN address blocks:     88633
ARIN Region origin ASes present in the Internet Routing Table:    16173
    ARIN Prefixes per ASN:                                        11.78
ARIN Region origin ASes announcing only one prefix:                5668
ARIN Region transit ASes present in the Internet Routing Table:    1710
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:    1515
Number of ARIN addresses announced to Internet:              1109002400
    Equivalent to 66 /8s, 26 /16s and 8 /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:                    146414
    Total RIPE prefixes after maximum aggregation:                72087
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           157060
    Unique aggregates announced from the RIPE address blocks:     97010
RIPE Region origin ASes present in the Internet Routing Table:    18147
    RIPE Prefixes per ASN:                                         8.65
RIPE Region origin ASes announcing only one prefix:                7815
RIPE Region transit ASes present in the Internet Routing Table:    3036
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5070
Number of RIPE addresses announced to Internet:               708682496
    Equivalent to 42 /8s, 61 /16s and 163 /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:                   62690
    Total LACNIC prefixes after maximum aggregation:              12636
    LACNIC Deaggregation factor:                                   4.96
Prefixes being announced from the LACNIC address blocks:          78801
    Unique aggregates announced from the LACNIC address blocks:   37403
LACNIC Region origin ASes present in the Internet Routing Table:   2482
    LACNIC Prefixes per ASN:                                      31.75
LACNIC Region origin ASes announcing only one prefix:               546
LACNIC Region transit ASes present in the Internet Routing Table:   583
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2849
Number of LACNIC addresses announced to Internet:             170648128
    Equivalent to 10 /8s, 43 /16s and 226 /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:                  14806
    Total AfriNIC prefixes after maximum aggregation:              3331
    AfriNIC Deaggregation factor:                                  4.44
Prefixes being announced from the AfriNIC address blocks:         16974
    Unique aggregates announced from the AfriNIC address blocks:   6385
AfriNIC Region origin ASes present in the Internet Routing Table:   740
    AfriNIC Prefixes per ASN:                                     22.94
AfriNIC Region origin ASes announcing only one prefix:              173
AfriNIC Region transit ASes present in the Internet Routing Table:  181
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:  266
Number of AfriNIC addresses announced to Internet:             84339968
    Equivalent to 5 /8s, 6 /16s and 237 /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     5542       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3535        383         252   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2950        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2700       1497         529   BSNL-NIB National Internet Backbone, IN
 4766     2662      11127         736   KIXS-AS-KR Korea Telecom, KR
 9808     2201       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2054        429         217   TATACOMM-AS TATA Communications formerl
 4808     1768       2290         519   CHINA169-BJ China Unicom Beijing Provin
45899     1591       1235          89   VNPT-AS-VN VNPT Corp, VN
24560     1551        517         218   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     3534       2964         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2196        405         110   MEGAPATH5-US - MegaPath Corporation, US
 6389     2098       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1941       1988         405   CHARTER-NET-HKY-NC - Charter Communicat
30036     1732        334         332   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1724       5068         657   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1676        848         227   ITCDELTA - Earthlink, Inc., US
  701     1608      10674         670   UUNET - MCI Communications Services, In
 7018     1486      20492        1049   ATT-INTERNET4 - AT&T Services, Inc., US
16509     1427       2666         476   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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2814       1053        2005   AKAMAI-ASN1 , US
34984     1980        326         355   TELLCOM-AS , TR
12479     1371       1018          46   UNI2-AS , ES
13188     1272         99          58   TRIOLAN , UA
 8551     1205        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1092        544          15   CORBINA-AS Russia, RU
12389      921       1120         406   ROSTELECOM-AS , RU
 6830      892       2755         467   LGI-UPC formerly known as UPC Broadband

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     3496        540         189   Telmex Colombia S.A., CO
 8151     2319       3353         559   Uninet S.A. de C.V., MX
 7303     1554        958         247   Telecom Argentina S.A., AR
 6503     1420        437          54   Axtel, S.A.B. de C.V., MX
11830     1321        367          57   Instituto Costarricense de Electricidad
 6147     1229        377          28   Telefonica del Peru S.A.A., PE
28573     1004       2259         165   CLARO S.A., BR
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      975        472         200   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      906        126          76   Alestra, S. de R.L. de C.V., MX

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

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
24863     1181        402          50   LINKdotNET-AS, EG
36903      682        343         125   MT-MPLS, MA
37611      662         67           6   Afrihost, ZA
36992      565       1373          25   ETISALAT-MISR, EG
 8452      516       1472          15   TE-AS TE-AS, EG
37492      386        250          69   ORANGE-TN, TN
24835      355        612          17   RAYA-AS, EG
29571      332         37          12   CITelecom-AS, CI
15399      308         35           7   WANANCHI-KE, KE
 2018      269        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     5542       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3535        383         252   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3534       2964         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3496        540         189   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
17974     2950        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2814       1053        2005   AKAMAI-ASN1 , US
 9829     2700       1497         529   BSNL-NIB National Internet Backbone, IN
 4766     2662      11127         736   KIXS-AS-KR Korea Telecom, KR
 8151     2319       3353         559   Uninet S.A. de C.V., MX

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      3534        3388      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
10620      3496        3307      Telmex Colombia S.A., CO
 7545      3535        3283      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2950        2872      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829      2700        2171      BSNL-NIB National Internet Backbone, IN
 9808      2201        2159      CMNET-GD Guangdong Mobile Communication
18566      2196        2086      MEGAPATH5-US - MegaPath Corporation, US
 6389      2098        2059      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 4766      2662        1926      KIXS-AS-KR Korea Telecom, KR

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
65512   PRIVATE      45.252.244.0/24      45899       VNPT-AS-VN VNPT Corp, VN
65512   PRIVATE      45.252.245.0/24      45899       VNPT-AS-VN VNPT Corp, VN

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

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

Network            Origin AS  Description
23.249.144.0/20      40430     COLO4JAX-AS - colo4jax, LLC, US
27.100.7.0/24        56096     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ
41.73.2.0/24         37004     -Reserved AS-, ZZ
41.73.3.0/24         37004     -Reserved AS-, ZZ
41.73.4.0/24         37004     -Reserved AS-, ZZ
41.73.5.0/24         37004     -Reserved AS-, ZZ
41.73.6.0/24         37004     -Reserved AS-, ZZ
41.73.7.0/24         37004     -Reserved AS-, ZZ
41.73.8.0/24         37004     -Reserved AS-, ZZ

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     /12:274     
/13:523     /14:1052    /15:1780    /16:13190   /17:7833    /18:13031   
/19:25447   /20:38848   /21:40360   /22:68377   /23:59883   /24:341808  
/25:446     /26:342     /27:284     /28:58      /29:33      /30:13      
/31:1       /32:33      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2755          3534      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1546          1732      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1424          3496      Telmex Colombia S.A., CO
 6389     1396          2098      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 6983     1325          1676      ITCDELTA - Earthlink, Inc., US
34984     1264          1980      TELLCOM-AS , TR
11492     1222          1314      CABLEONE - CABLE ONE, INC., US
13188     1046          1272      TRIOLAN , UA

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

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

   1:1539      2:804       4:23        5:2202      6:31        8:992    
  12:1794     13:47       14:1739     15:46       16:2        17:100    
  18:126      20:50       23:1849     24:1809     27:2355     31:1798   
  32:83       33:4        35:4        36:330      37:2331     38:1268   
  39:36       40:101      41:2981     42:461      43:1859     44:47     
  45:2175     46:2572     47:99       49:1211     50:909      51:13     
  52:558      53:2        54:350      55:7        56:4        57:40     
  58:1564     59:997      60:376      61:1821     62:1526     63:1931   
  64:4565     65:2180     66:4266     67:2254     68:1135     69:3281   
  70:1290     71:562      72:2081     74:2570     75:404      76:415    
  77:1421     78:1223     79:922      80:1308     81:1401     82:989    
  83:704      84:888      85:1577     86:483      87:1136     88:553    
  89:2090     90:221      91:6120     92:920      93:2345     94:2430   
  95:2490     96:566      97:345      98:894      99:89      100:147    
 101:1164    103:12588   104:2570    105:125     106:441     107:1435   
 108:783     109:2291    110:1281    111:1629    112:1076    113:1140   
 114:1087    115:1688    116:1673    117:1563    118:2052    119:1578   
 120:942     121:1075    122:2271    123:2021    124:1566    125:1817   
 128:678     129:442     130:420     131:1384    132:611     133:175    
 134:489     135:200     136:397     137:406     138:1780    139:428    
 140:602     141:451     142:672     143:922     144:737     145:167    
 146:950     147:655     148:1385    149:543     150:655     151:898    
 152:680     153:301     154:704     155:959     156:532     157:526    
 158:407     159:1210    160:527     161:736     162:2401    163:576    
 164:778     165:1121    166:337     167:1161    168:2268    169:664    
 170:2006    171:251     172:756     173:1749    174:768     175:671    
 176:1731    177:4121    178:2224    179:1203    180:2151    181:1916   
 182:2071    183:1006    184:833     185:7659    186:3202    187:2166   
 188:2211    189:1788    190:7835    191:1311    192:9056    193:5761   
 194:4472    195:3848    196:1790    197:1164    198:5581    199:5806   
 200:7157    201:3714    202:10135   203:9813    204:4510    205:2755   
 206:2997    207:3079    208:4060    209:3880    210:3887    211:2035   
 212:2724    213:2356    214:861     215:67      216:5727    217:1988   
 218:806     219:602     220:1634    221:878     222:693     223:1321   


End of report


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