Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 16 18:01:50 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 17 Dec, 2016

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

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

BGP routing table entries examined:                              625735
    Prefixes after maximum aggregation (per Origin AS):          221470
    Deaggregation factor:                                          2.83
    Unique aggregates announced (without unneeded subnets):      303432
Total ASes present in the Internet Routing Table:                 55446
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           36286
Origin ASes announcing only one prefix:                           15252
Transit ASes present in the Internet Routing Table:                6548
Transit-only ASes present in the Internet Routing Table:            166
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:                65
    Unregistered ASNs in the Routing Table:                          19
Number of 32-bit ASNs allocated by the RIRs:                      16577
Number of 32-bit ASNs visible in the Routing Table:               12612
Prefixes from 32-bit ASNs in the Routing Table:                   51551
Number of bogon 32-bit ASNs visible in the Routing Table:           610
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            388
Number of addresses announced to Internet:                   2834097636
    Equivalent to 168 /8s, 236 /16s and 229 /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:               98.4
Total number of prefixes smaller than registry allocations:      207209

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

Prefixes being announced by APNIC Region ASes:                   156457
    Total APNIC prefixes after maximum aggregation:               43125
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          170884
    Unique aggregates announced from the APNIC address blocks:    70394
APNIC Region origin ASes present in the Internet Routing Table:    5185
    APNIC Prefixes per ASN:                                       32.96
APNIC Region origin ASes announcing only one prefix:               1141
APNIC Region transit ASes present in the Internet Routing Table:    938
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2555
Number of APNIC addresses announced to Internet:              761096836
    Equivalent to 45 /8s, 93 /16s and 106 /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:                    188238
    Total ARIN prefixes after maximum aggregation:                89443
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           194870
    Unique aggregates announced from the ARIN address blocks:     89539
ARIN Region origin ASes present in the Internet Routing Table:    16105
    ARIN Prefixes per ASN:                                        12.10
ARIN Region origin ASes announcing only one prefix:                5619
ARIN Region transit ASes present in the Internet Routing Table:    1714
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:    1653
Number of ARIN addresses announced to Internet:              1106135968
    Equivalent to 65 /8s, 238 /16s and 75 /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:                    150375
    Total RIPE prefixes after maximum aggregation:                73011
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           161682
    Unique aggregates announced from the RIPE address blocks:     98646
RIPE Region origin ASes present in the Internet Routing Table:    18151
    RIPE Prefixes per ASN:                                         8.91
RIPE Region origin ASes announcing only one prefix:                7769
RIPE Region transit ASes present in the Internet Routing Table:    3056
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:    5105
Number of RIPE addresses announced to Internet:               709408128
    Equivalent to 42 /8s, 72 /16s and 181 /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:                   63635
    Total LACNIC prefixes after maximum aggregation:              12596
    LACNIC Deaggregation factor:                                   5.05
Prefixes being announced from the LACNIC address blocks:          80198
    Unique aggregates announced from the LACNIC address blocks:   37900
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:               552
LACNIC Region transit ASes present in the Internet Routing Table:   593
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:  3018
Number of LACNIC addresses announced to Internet:             170839872
    Equivalent to 10 /8s, 46 /16s and 207 /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:                  15413
    Total AfriNIC prefixes after maximum aggregation:              3287
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:         17713
    Unique aggregates announced from the AfriNIC address blocks:   6599
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     24.13
AfriNIC Region origin ASes announcing only one prefix:              171
AfriNIC Region transit ASes present in the Internet Routing Table:  182
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:  281
Number of AfriNIC addresses announced to Internet:             86154496
    Equivalent to 5 /8s, 34 /16s and 157 /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     3669        390         249   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2988        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2718      11133         740   KIXS-AS-KR Korea Telecom, KR
 9829     2697       1498         532   BSNL-NIB National Internet Backbone, IN
 9808     2242       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2041        428         217   TATACOMM-AS TATA Communications formerl
45899     1755       1258          98   VNPT-AS-VN VNPT Corp, VN
 4808     1646       2165         468   CHINA169-BJ China Unicom Beijing Provin
24560     1578        556         233   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     3603       2968         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3247       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     1955       2017         400   CHARTER-NET-HKY-NC - Charter Communicat
30036     1739        327         410   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1729       5066         639   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1676        848         227   ITCDELTA - Earthlink, Inc., US
  701     1597      10629         662   UUNET - MCI Communications Services, In
16509     1505       2818         509   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     2948       1110        2097   AKAMAI-ASN1 , US
 9121     2250       1709          98   TTNET , TR
34984     1990        328         368   TELLCOM-AS , TR
13188     1605         99          58   TRIOLAN , UA
12479     1403       1032          53   UNI2-AS , ES
 6849     1292        355          22   UKRTELNET , UA
 8551     1199        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 8402     1146        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      995       1156         443   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     2297       3370         554   Uninet S.A. de C.V., MX
11830     1798        368          66   Instituto Costarricense de Electricidad
 6503     1543        437          54   Axtel, S.A.B. de C.V., MX
 7303     1522        970         251   Telecom Argentina S.A., AR
 6147     1287        377          27   Telefonica del Peru S.A.A., PE
28573     1055       2271         173   CLARO S.A., BR
 3816     1026        480         190   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      912        126          80   Alestra, S. de R.L. de C.V., MX
18881      877       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     1300        402          42   LINKdotNET-AS, EG
36903      681        342         126   MT-MPLS, MA
37611      676         67           6   Afrihost, ZA
36992      575       1373          25   ETISALAT-MISR, EG
 8452      490       1472          15   TE-AS TE-AS, EG
24835      486        658          16   RAYA-AS, EG
37492      396        288          72   ORANGE-TN, TN
29571      373         37          13   CITelecom-AS, CI
15399      314         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     5550       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3669        390         249   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3603       2968         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3527        543         179   Telmex Colombia S.A., CO
 6327     3247       1333          82   SHAW - Shaw Communications Inc., CA
39891     3141        163          17   ALJAWWALSTC-AS , SA
17974     2988        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2948       1110        2097   AKAMAI-ASN1 , US
 4766     2718      11133         740   KIXS-AS-KR Korea Telecom, KR
 9829     2697       1498         532   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      3603        3451      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 7545      3669        3420      TPG-INTERNET-AP TPG Telecom Limited, AU
10620      3527        3348      Telmex Colombia S.A., CO
 6327      3247        3165      SHAW - Shaw Communications Inc., CA
39891      3141        3124      ALJAWWALSTC-AS , SA
17974      2988        2917      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2242        2209      CMNET-GD Guangdong Mobile Communication
 9829      2697        2165      BSNL-NIB National Internet Backbone, IN
 9121      2250        2152      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
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     
/13:530     /14:1048    /15:1800    /16:13168   /17:7807    /18:13025   
/19:25285   /20:38095   /21:40681   /22:73021   /23:61293   /24:348202  
/25:525     /26:409     /27:309     /28:33      /29:17      /30:16      
/31:0       /32:27      

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

  ASN   No of nets  Total ann.   Description
 6327     3043          3247      SHAW - Shaw Communications Inc., CA
39891     2896          3141      ALJAWWALSTC-AS , SA
22773     2805          3603      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2195      MEGAPATH5-US - MegaPath Corporation, US
 9121     1582          2250      TTNET , TR
30036     1550          1739      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)
----------------------------------------------

   1:1587      2:823       4:23        5:2395      6:32        8:1016   
  12:1813     13:55       14:1774     15:24       16:2        17:104    
  18:127      19:1        20:49       23:2005     24:1795     27:2388   
  31:1828     32:83       33:11       34:1        35:3        36:378    
  37:2469     38:1295     39:42       40:100      41:2993     42:455    
  43:1929     44:52       45:2264     46:2541     47:106      49:1167   
  50:940      51:15       52:601      54:355      55:8        56:4      
  57:40       58:1567     59:993      60:388      61:1866     62:1490   
  63:1929     64:4527     65:2176     66:4378     67:2222     68:1153   
  69:3308     70:1299     71:561      72:2054     74:2593     75:401    
  76:415      77:1388     78:1569     79:907      80:1363     81:1425   
  82:971      83:716      84:856      85:1713     86:486      87:1133   
  88:780      89:2037     90:202      91:6092     92:986      93:2334   
  94:2335     95:2839     96:578      97:358      98:944      99:93     
 100:148     101:1204    103:13005   104:2620    105:142     106:463    
 107:1486    108:777     109:2491    110:1271    111:1656    112:1135   
 113:1172    114:1003    115:1721    116:1676    117:1581    118:2127   
 119:1579    120:933     121:1097    122:2281    123:2006    124:1591   
 125:1841    128:734     129:482     130:431     131:1396    132:617    
 133:179     134:526     135:209     136:385     137:398     138:1791   
 139:446     140:620     141:475     142:719     143:904     144:736    
 145:168     146:955     147:639     148:1394    149:554     150:682    
 151:794     152:700     153:313     154:721     155:943     156:546    
 157:556     158:426     159:1338    160:563     161:733     162:2446   
 163:534     164:778     165:1136    166:359     167:1221    168:2387   
 169:683     170:2472    171:266     172:839     173:1811    174:777    
 175:704     176:1751    177:4089    178:2413    179:1141    180:2188   
 181:1956    182:2121    183:1003    184:840     185:8236    186:3225   
 187:2227    188:2301    189:1773    190:7951    191:1335    192:9276   
 193:5778    194:4549    195:3862    196:1861    197:1254    198:5608   
 199:5821    200:7208    201:4010    202:10159   203:9819    204:4470   
 205:2755    206:2968    207:3157    208:4026    209:3884    210:3893   
 211:2066    212:2776    213:2441    214:849     215:66      216:5757   
 217:1978    218:826     219:597     220:1665    221:886     222:723    
 223:1054   

End of report


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