Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 9 18:01:49 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 10 Dec, 2016

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

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

BGP routing table entries examined:                              625744
    Prefixes after maximum aggregation (per Origin AS):          221145
    Deaggregation factor:                                          2.83
    Unique aggregates announced (without unneeded subnets):      303392
Total ASes present in the Internet Routing Table:                 55416
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           36308
Origin ASes announcing only one prefix:                           15268
Transit ASes present in the Internet Routing Table:                6548
Transit-only ASes present in the Internet Routing Table:            168
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:                66
    Unregistered ASNs in the Routing Table:                          20
Number of 32-bit ASNs allocated by the RIRs:                      16498
Number of 32-bit ASNs visible in the Routing Table:               12560
Prefixes from 32-bit ASNs in the Routing Table:                   51171
Number of bogon 32-bit ASNs visible in the Routing Table:           531
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            420
Number of addresses announced to Internet:                   2832567524
    Equivalent to 168 /8s, 213 /16s and 140 /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:      207007

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

Prefixes being announced by APNIC Region ASes:                   156955
    Total APNIC prefixes after maximum aggregation:               43049
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:          171305
    Unique aggregates announced from the APNIC address blocks:    70384
APNIC Region origin ASes present in the Internet Routing Table:    5185
    APNIC Prefixes per ASN:                                       33.04
APNIC Region origin ASes announcing only one prefix:               1139
APNIC Region transit ASes present in the Internet Routing Table:    938
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2545
Number of APNIC addresses announced to Internet:              761026948
    Equivalent to 45 /8s, 92 /16s and 89 /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:                    188525
    Total ARIN prefixes after maximum aggregation:                89408
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           195025
    Unique aggregates announced from the ARIN address blocks:     89499
ARIN Region origin ASes present in the Internet Routing Table:    16118
    ARIN Prefixes per ASN:                                        12.10
ARIN Region origin ASes announcing only one prefix:                5622
ARIN Region transit ASes present in the Internet Routing Table:    1713
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:    1641
Number of ARIN addresses announced to Internet:              1104672416
    Equivalent to 65 /8s, 215 /16s and 246 /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:                    150074
    Total RIPE prefixes after maximum aggregation:                72764
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           161269
    Unique aggregates announced from the RIPE address blocks:     98618
RIPE Region origin ASes present in the Internet Routing Table:    18161
    RIPE Prefixes per ASN:                                         8.88
RIPE Region origin ASes announcing only one prefix:                7792
RIPE Region transit ASes present in the Internet Routing Table:    3057
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5100
Number of RIPE addresses announced to Internet:               709327232
    Equivalent to 42 /8s, 71 /16s and 121 /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:                   63552
    Total LACNIC prefixes after maximum aggregation:              12594
    LACNIC Deaggregation factor:                                   5.05
Prefixes being announced from the LACNIC address blocks:          80088
    Unique aggregates announced from the LACNIC address blocks:   37900
LACNIC Region origin ASes present in the Internet Routing Table:   2482
    LACNIC Prefixes per ASN:                                      32.27
LACNIC Region origin ASes announcing only one prefix:               547
LACNIC Region transit ASes present in the Internet Routing Table:   597
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2993
Number of LACNIC addresses announced to Internet:             171017024
    Equivalent to 10 /8s, 49 /16s and 131 /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:                  15400
    Total AfriNIC prefixes after maximum aggregation:              3322
    AfriNIC Deaggregation factor:                                  4.64
Prefixes being announced from the AfriNIC address blocks:         17637
    Unique aggregates announced from the AfriNIC address blocks:   6612
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     23.96
AfriNIC Region origin ASes announcing only one prefix:              168
AfriNIC Region transit ASes present in the Internet Routing Table:  179
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:  281
Number of AfriNIC addresses announced to Internet:             86035968
    Equivalent to 5 /8s, 32 /16s and 206 /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     5549       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3648        390         250   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2980        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2720      11133         740   KIXS-AS-KR Korea Telecom, KR
 9829     2708       1500         539   BSNL-NIB National Internet Backbone, IN
 9808     2229       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2041        428         217   TATACOMM-AS TATA Communications formerl
45899     1745       1252          92   VNPT-AS-VN VNPT Corp, VN
 4808     1645       2165         468   CHINA169-BJ China Unicom Beijing Provin
24560     1574        552         229   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     3590       2968         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3255       1333          83   SHAW - Shaw Communications Inc., CA
18566     2195        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1955       2017         400   CHARTER-NET-HKY-NC - Charter Communicat
30036     1784        338         335   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1714       5064         631   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1677        848         227   ITCDELTA - Earthlink, Inc., US
  701     1598      10629         662   UUNET - MCI Communications Services, In
16509     1504       2818         512   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     3141        163          17   ALJAWWALSTC-AS , SA
20940     2954       1112        2100   AKAMAI-ASN1 , US
 9121     2127       1691          18   TTNET , TR
34984     1991        328         367   TELLCOM-AS , TR
13188     1605         99          58   TRIOLAN , UA
12479     1397       1032          53   UNI2-AS , ES
 6849     1286        355          22   UKRTELNET , UA
 8551     1201        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 8402     1168        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      971       1144         433   ROSTELECOM-AS , RU

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

LACNIC Region per AS prefix count summary
-----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
10620     3538        545         148   Telmex Colombia S.A., CO
 8151     2292       3371         551   Uninet S.A. de C.V., MX
11830     1798        368          66   Instituto Costarricense de Electricidad
 6503     1530        437          54   Axtel, S.A.B. de C.V., MX
 7303     1516        964         245   Telecom Argentina S.A., AR
 6147     1098        377          27   Telefonica del Peru S.A.A., PE
28573     1046       2273         172   CLARO S.A., BR
 3816      991        477         183   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      910        126          80   Alestra, S. de R.L. de C.V., MX
18881      876       1036          22   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     1302        402          42   LINKdotNET-AS, EG
36903      691        347         118   MT-MPLS, MA
37611      676         67           6   Afrihost, ZA
36992      575       1373          25   ETISALAT-MISR, EG
24835      486        658          16   RAYA-AS, EG
 8452      476       1472          15   TE-AS TE-AS, EG
37492      396        288          72   ORANGE-TN, TN
29571      369         37          11   CITelecom-AS, CI
15399      313         35           6   WANANCHI-KE, KE
36974      275        140          11   AFNET-AS, CI

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     5549       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3648        390         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3590       2968         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3538        545         148   Telmex Colombia S.A., CO
 6327     3255       1333          83   SHAW - Shaw Communications Inc., CA
39891     3141        163          17   ALJAWWALSTC-AS , SA
17974     2980        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2954       1112        2100   AKAMAI-ASN1 , US
 4766     2720      11133         740   KIXS-AS-KR Korea Telecom, KR
 9829     2708       1500         539   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
22773      3590        3438      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 7545      3648        3398      TPG-INTERNET-AP TPG Telecom Limited, AU
10620      3538        3390      Telmex Colombia S.A., CO
 6327      3255        3172      SHAW - Shaw Communications Inc., CA
39891      3141        3124      ALJAWWALSTC-AS , SA
17974      2980        2909      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2229        2196      CMNET-GD Guangdong Mobile Communication
 9829      2708        2169      BSNL-NIB National Internet Backbone, IN
 9121      2127        2109      TTNET , TR
18566      2195        2086      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
64855   PRIVATE      41.220.200.0/21      36945       mcelISP, MZ
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
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
27.112.96.0/22       19136     NNET, ZA
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

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     
/13:529     /14:1046    /15:1794    /16:13165   /17:7822    /18:13037   
/19:25317   /20:38176   /21:40692   /22:73006   /23:61135   /24:348246  
/25:524     /26:405     /27:309     /28:33      /29:20      /30:17      
/31:0       /32:27      

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

  ASN   No of nets  Total ann.   Description
 6327     3050          3255      SHAW - Shaw Communications Inc., CA
39891     2896          3141      ALJAWWALSTC-AS , SA
22773     2794          3590      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2195      MEGAPATH5-US - MegaPath Corporation, US
30036     1597          1784      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 9121     1483          2127      TTNET , TR
10620     1448          3538      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1350          1605      TRIOLAN , UA
 6983     1322          1677      ITCDELTA - Earthlink, Inc., US

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

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

   1:1582      2:821       4:24        5:2348      6:32        8:1012   
  12:1804     13:55       14:1775     15:24       16:2        17:103    
  18:127      19:1        20:51       23:2000     24:1812     27:2361   
  31:1812     32:83       33:11       34:1        35:3        36:361    
  37:2437     38:1308     39:42       40:99       41:2965     42:451    
  43:1919     44:51       45:2248     46:2535     47:106      49:1193   
  50:946      51:15       52:597      54:354      55:8        56:8      
  57:40       58:1559     59:981      60:389      61:1862     62:1487   
  63:1935     64:4533     65:2176     66:4397     67:2262     68:1159   
  69:3299     70:1297     71:560      72:2053     74:2594     75:402    
  76:414      77:1410     78:1553     79:908      80:1354     81:1420   
  82:1009     83:718      84:857      85:1707     86:484      87:1127   
  88:779      89:2038     90:204      91:6095     92:987      93:2360   
  94:2328     95:2780     96:577      97:357      98:941      99:93     
 100:147     101:1199    103:12954   104:2599    105:141     106:467    
 107:1486    108:782     109:2491    110:1281    111:1653    112:1155   
 113:1158    114:1053    115:1706    116:1684    117:1576    118:2117   
 119:1581    120:988     121:1098    122:2287    123:2032    124:1605   
 125:1832    128:736     129:477     130:431     131:1395    132:621    
 133:178     134:529     135:208     136:387     137:398     138:1783   
 139:435     140:621     141:475     142:718     143:917     144:735    
 145:171     146:956     147:641     148:1389    149:554     150:686    
 151:789     152:696     153:310     154:704     155:946     156:546    
 157:547     158:429     159:1326    160:562     161:731     162:2444   
 163:545     164:789     165:1129    166:359     167:1218    168:2352   
 169:680     170:2426    171:266     172:834     173:1821    174:765    
 175:713     176:1744    177:4115    178:2405    179:1150    180:2183   
 181:1934    182:2121    183:1010    184:844     185:8190    186:3250   
 187:2242    188:2332    189:1795    190:7859    191:1331    192:9263   
 193:5727    194:4549    195:3850    196:1877    197:1258    198:5594   
 199:5834    200:7187    201:3989    202:10141   203:9835    204:4473   
 205:2771    206:2996    207:3150    208:4043    209:3886    210:3892   
 211:2068    212:2779    213:2454    214:870     215:66      216:5753   
 217:1982    218:819     219:597     220:1654    221:886     222:719    
 223:1367   

End of report


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