Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 23 18:01:46 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 24 Dec, 2016

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

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

BGP routing table entries examined:                              626295
    Prefixes after maximum aggregation (per Origin AS):          221402
    Deaggregation factor:                                          2.83
    Unique aggregates announced (without unneeded subnets):      303816
Total ASes present in the Internet Routing Table:                 55496
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           36274
Origin ASes announcing only one prefix:                           15209
Transit ASes present in the Internet Routing Table:                6547
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:                                      38
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                58
    Unregistered ASNs in the Routing Table:                          19
Number of 32-bit ASNs allocated by the RIRs:                      16676
Number of 32-bit ASNs visible in the Routing Table:               12675
Prefixes from 32-bit ASNs in the Routing Table:                   51879
Number of bogon 32-bit ASNs visible in the Routing Table:           627
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            385
Number of addresses announced to Internet:                   2833553892
    Equivalent to 168 /8s, 228 /16s and 153 /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:      207587

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

Prefixes being announced by APNIC Region ASes:                   156526
    Total APNIC prefixes after maximum aggregation:               43103
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          170977
    Unique aggregates announced from the APNIC address blocks:    70544
APNIC Region origin ASes present in the Internet Routing Table:    5182
    APNIC Prefixes per ASN:                                       32.99
APNIC Region origin ASes announcing only one prefix:               1131
APNIC Region transit ASes present in the Internet Routing Table:    937
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2568
Number of APNIC addresses announced to Internet:              761387652
    Equivalent to 45 /8s, 97 /16s and 218 /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:                    188266
    Total ARIN prefixes after maximum aggregation:                89328
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           195158
    Unique aggregates announced from the ARIN address blocks:     89565
ARIN Region origin ASes present in the Internet Routing Table:    16087
    ARIN Prefixes per ASN:                                        12.13
ARIN Region origin ASes announcing only one prefix:                5609
ARIN Region transit ASes present in the Internet Routing Table:    1712
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:    1670
Number of ARIN addresses announced to Internet:              1105876640
    Equivalent to 65 /8s, 234 /16s and 86 /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:                    150514
    Total RIPE prefixes after maximum aggregation:                73101
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           161898
    Unique aggregates announced from the RIPE address blocks:     98885
RIPE Region origin ASes present in the Internet Routing Table:    18153
    RIPE Prefixes per ASN:                                         8.92
RIPE Region origin ASes announcing only one prefix:                7757
RIPE Region transit ASes present in the Internet Routing Table:    3054
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:    5106
Number of RIPE addresses announced to Internet:               709572480
    Equivalent to 42 /8s, 75 /16s and 55 /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:                   63659
    Total LACNIC prefixes after maximum aggregation:              12583
    LACNIC Deaggregation factor:                                   5.06
Prefixes being announced from the LACNIC address blocks:          80194
    Unique aggregates announced from the LACNIC address blocks:   37813
LACNIC Region origin ASes present in the Internet Routing Table:   2487
    LACNIC Prefixes per ASN:                                      32.25
LACNIC Region origin ASes announcing only one prefix:               543
LACNIC Region transit ASes present in the Internet Routing Table:   595
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:  3047
Number of LACNIC addresses announced to Internet:             170723904
    Equivalent to 10 /8s, 45 /16s and 10 /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:                  15392
    Total AfriNIC prefixes after maximum aggregation:              3279
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:         17683
    Unique aggregates announced from the AfriNIC address blocks:   6662
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     24.03
AfriNIC Region origin ASes announcing only one prefix:              169
AfriNIC Region transit ASes present in the Internet Routing Table:  180
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:  284
Number of AfriNIC addresses announced to Internet:             85533184
    Equivalent to 5 /8s, 25 /16s and 34 /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     5550       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3710        390         250   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2986        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2718      11133         740   KIXS-AS-KR Korea Telecom, KR
 9829     2693       1498         534   BSNL-NIB National Internet Backbone, IN
 9808     2252       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2042        428         217   TATACOMM-AS TATA Communications formerl
45899     1742       1261          98   VNPT-AS-VN VNPT Corp, VN
 4808     1648       2165         468   CHINA169-BJ China Unicom Beijing Provin
24560     1580        559         238   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     3610       2968         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3251       1333          82   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     1956       2021         402   CHARTER-NET-HKY-NC - Charter Communicat
30036     1744        328         401   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1730       5066         639   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1676        848         227   ITCDELTA - Earthlink, Inc., US
  701     1598      10629         661   UUNET - MCI Communications Services, In
16509     1522       2837         519   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     2964       1117        2103   AKAMAI-ASN1 , US
 9121     2323       1708          96   TTNET , TR
34984     1985        327         373   TELLCOM-AS , TR
13188     1605         99          58   TRIOLAN , UA
12479     1414       1033          51   UNI2-AS , ES
 6849     1289        355          22   UKRTELNET , UA
 8551     1198        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 8402     1148        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      999       1156         446   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     3527        543         179   Telmex Colombia S.A., CO
 8151     2293       3373         556   Uninet S.A. de C.V., MX
11830     1799        368          66   Instituto Costarricense de Electricidad
 6503     1543        437          54   Axtel, S.A.B. de C.V., MX
 7303     1524        970         251   Telecom Argentina S.A., AR
 6147     1347        377          27   Telefonica del Peru S.A.A., PE
28573     1055       2271         173   CLARO S.A., BR
 3816     1028        480         191   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      914        126          78   Alestra, S. de R.L. de C.V., MX
18881      879       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     1295        402          42   LINKdotNET-AS, EG
36903      687        345         122   MT-MPLS, MA
37611      676         67           6   Afrihost, ZA
36992      579       1373          25   ETISALAT-MISR, EG
 8452      488       1472          15   TE-AS TE-AS, EG
24835      487        658          16   RAYA-AS, EG
29571      368         36          10   CITelecom-AS, CI
37492      355        280          71   ORANGE-TN, TN
15399      314         35           6   WANANCHI-KE, KE
 2018      272        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     5550       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3710        390         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3610       2968         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3527        543         179   Telmex Colombia S.A., CO
 6327     3251       1333          82   SHAW - Shaw Communications Inc., CA
39891     3141        163          17   ALJAWWALSTC-AS , SA
17974     2986        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2964       1117        2103   AKAMAI-ASN1 , US
 4766     2718      11133         740   KIXS-AS-KR Korea Telecom, KR
 9829     2693       1498         534   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      3710        3460      TPG-INTERNET-AP TPG Telecom Limited, AU
22773      3610        3458      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3527        3348      Telmex Colombia S.A., CO
 6327      3251        3169      SHAW - Shaw Communications Inc., CA
39891      3141        3124      ALJAWWALSTC-AS , SA
17974      2986        2915      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9121      2323        2227      TTNET , TR
 9808      2252        2219      CMNET-GD Guangdong Mobile Communication
 9829      2693        2159      BSNL-NIB National Internet Backbone, IN
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
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom
65220   PRIVATE      61.128.136.0/21      23456       -Reserved AS-, ZZ

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     
/13:529     /14:1046    /15:1796    /16:13154   /17:7794    /18:13020   
/19:25268   /20:38075   /21:40639   /22:73119   /23:61353   /24:348686  
/25:546     /26:413     /27:311     /28:33      /29:19      /30:23      
/31:0       /32:27      

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

  ASN   No of nets  Total ann.   Description
 6327     3047          3251      SHAW - Shaw Communications Inc., CA
39891     2896          3141      ALJAWWALSTC-AS , SA
22773     2811          3610      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2195      MEGAPATH5-US - MegaPath Corporation, US
 9121     1632          2323      TTNET , TR
30036     1556          1744      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1446          3527      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1350          1605      TRIOLAN , UA
 6983     1323          1676      ITCDELTA - Earthlink, Inc., US

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

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

   1:1588      2:816       4:23        5:2407      6:32        8:1022   
  12:1812     13:65       14:1780     15:24       16:2        17:104    
  18:128      19:1        20:51       23:2031     24:1800     27:2400   
  31:1831     32:83       33:11       34:1        35:3        36:376    
  37:2486     38:1298     39:42       40:99       41:3037     42:454    
  43:1903     44:52       45:2301     46:2516     47:106      49:1195   
  50:948      51:15       52:609      54:356      55:8        56:4      
  57:40       58:1567     59:978      60:389      61:1867     62:1499   
  63:1927     64:4540     65:2177     66:4398     67:2213     68:1168   
  69:3308     70:1302     71:560      72:2055     74:2595     75:404    
  76:413      77:1414     78:1603     79:907      80:1358     81:1420   
  82:968      83:717      84:857      85:1685     86:486      87:1132   
  88:781      89:2041     90:195      91:6096     92:976      93:2370   
  94:2343     95:2795     96:595      97:359      98:944      99:93     
 100:148     101:1200    103:13037   104:2631    105:138     106:473    
 107:1491    108:779     109:2530    110:1274    111:1661    112:1131   
 113:1170    114:1001    115:1626    116:1680    117:1577    118:2111   
 119:1588    120:942     121:1075    122:2281    123:1999    124:1593   
 125:1839    128:727     129:481     130:432     131:1357    132:613    
 133:187     134:528     135:209     136:385     137:395     138:1820   
 139:455     140:621     141:475     142:720     143:893     144:748    
 145:168     146:960     147:641     148:1355    149:555     150:683    
 151:797     152:703     153:313     154:715     155:949     156:544    
 157:562     158:428     159:1339    160:564     161:732     162:2451   
 163:537     164:779     165:1135    166:361     167:1225    168:2440   
 169:687     170:2518    171:262     172:848     173:1819    174:782    
 175:711     176:1748    177:4083    178:2411    179:1125    180:2192   
 181:1923    182:2127    183:1012    184:849     185:8330    186:3247   
 187:2242    188:2316    189:1777    190:7972    191:1292    192:9287   
 193:5768    194:4551    195:3856    196:1849    197:1257    198:5597   
 199:5819    200:7207    201:4012    202:10152   203:9831    204:4454   
 205:2772    206:2970    207:3166    208:4019    209:3867    210:3886   
 211:2077    212:2796    213:2446    214:849     215:66      216:5767   
 217:1973    218:825     219:595     220:1666    221:894     222:726    
 223:1101   

End of report


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