[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 11 18:01:45 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 12 Nov, 2016

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

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

BGP routing table entries examined:                              621131
    Prefixes after maximum aggregation (per Origin AS):          220098
    Deaggregation factor:                                          2.82
    Unique aggregates announced (without unneeded subnets):      300375
Total ASes present in the Internet Routing Table:                 55165
    Prefixes per ASN:                                             11.26
Origin-only ASes present in the Internet Routing Table:           36323
Origin ASes announcing only one prefix:                           15347
Transit ASes present in the Internet Routing Table:                6538
Transit-only ASes present in the Internet Routing Table:            166
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                64
    Unregistered ASNs in the Routing Table:                          19
Number of 32-bit ASNs allocated by the RIRs:                      16110
Number of 32-bit ASNs visible in the Routing Table:               12304
Prefixes from 32-bit ASNs in the Routing Table:                   49851
Number of bogon 32-bit ASNs visible in the Routing Table:           343
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            430
Number of addresses announced to Internet:                   2831675172
    Equivalent to 168 /8s, 199 /16s and 239 /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:               98.3
Total number of prefixes smaller than registry allocations:      204046

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

Prefixes being announced by APNIC Region ASes:                   157302
    Total APNIC prefixes after maximum aggregation:               42681
    APNIC Deaggregation factor:                                    3.69
Prefixes being announced from the APNIC address blocks:          171205
    Unique aggregates announced from the APNIC address blocks:    70250
APNIC Region origin ASes present in the Internet Routing Table:    5174
    APNIC Prefixes per ASN:                                       33.09
APNIC Region origin ASes announcing only one prefix:               1146
APNIC Region transit ASes present in the Internet Routing Table:    947
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2463
Number of APNIC addresses announced to Internet:              759799108
    Equivalent to 45 /8s, 73 /16s and 157 /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:                    187791
    Total ARIN prefixes after maximum aggregation:                88833
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           194070
    Unique aggregates announced from the ARIN address blocks:     87887
ARIN Region origin ASes present in the Internet Routing Table:    16152
    ARIN Prefixes per ASN:                                        12.02
ARIN Region origin ASes announcing only one prefix:                5666
ARIN Region transit ASes present in the Internet Routing Table:    1708
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:    1572
Number of ARIN addresses announced to Internet:              1105788576
    Equivalent to 65 /8s, 232 /16s and 254 /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:                    147975
    Total RIPE prefixes after maximum aggregation:                72517
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           158852
    Unique aggregates announced from the RIPE address blocks:     97640
RIPE Region origin ASes present in the Internet Routing Table:    18146
    RIPE Prefixes per ASN:                                         8.75
RIPE Region origin ASes announcing only one prefix:                7810
RIPE Region transit ASes present in the Internet Routing Table:    3036
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5087
Number of RIPE addresses announced to Internet:               708991744
    Equivalent to 42 /8s, 66 /16s and 91 /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:                   62929
    Total LACNIC prefixes after maximum aggregation:              12695
    LACNIC Deaggregation factor:                                   4.96
Prefixes being announced from the LACNIC address blocks:          79161
    Unique aggregates announced from the LACNIC address blocks:   37605
LACNIC Region origin ASes present in the Internet Routing Table:   2482
    LACNIC Prefixes per ASN:                                      31.89
LACNIC Region origin ASes announcing only one prefix:               557
LACNIC Region transit ASes present in the Internet Routing Table:   596
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2909
Number of LACNIC addresses announced to Internet:             170859328
    Equivalent to 10 /8s, 47 /16s and 27 /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:                  15218
    Total AfriNIC prefixes after maximum aggregation:              3364
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         17413
    Unique aggregates announced from the AfriNIC address blocks:   6602
AfriNIC Region origin ASes present in the Internet Routing Table:   735
    AfriNIC Prefixes per ASN:                                     23.69
AfriNIC Region origin ASes announcing only one prefix:              168
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:  273
Number of AfriNIC addresses announced to Internet:             85819392
    Equivalent to 5 /8s, 29 /16s and 128 /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     5545       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3599        382         245   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2962        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2708       1500         539   BSNL-NIB National Internet Backbone, IN
 4766     2701      11132         741   KIXS-AS-KR Korea Telecom, KR
 9808     2225       8698          32   CMNET-GD Guangdong Mobile Communication
 4755     2047        428         215   TATACOMM-AS TATA Communications formerl
 4808     1750       2290         513   CHINA169-BJ China Unicom Beijing Provin
45899     1634       1240          96   VNPT-AS-VN VNPT Corp, VN
24560     1564        542         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     3554       2967         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3145       1333          82   SHAW - Shaw Communications Inc., CA
18566     2197        405         110   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1948       2003         406   CHARTER-NET-HKY-NC - Charter Communicat
30036     1789        340         323   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1730       5067         653   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1678        848         227   ITCDELTA - Earthlink, Inc., US
  701     1605      10642         663   UUNET - MCI Communications Services, In
 7018     1484      20476        1050   ATT-INTERNET4 - AT&T Services, 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     3330        170          16   ALJAWWALSTC-AS , SA
20940     2922       1103        2073   AKAMAI-ASN1 , US
34984     1986        326         371   TELLCOM-AS , TR
13188     1626         99          58   TRIOLAN , UA
12479     1367       1033          54   UNI2-AS , ES
 8551     1201        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1140        544          15   CORBINA-AS OJSC "Vimpelcom", RU
 9198     1090        352          25   KAZTELECOM-AS , KZ
12389      952       1134         424   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     3529        544         167   Telmex Colombia S.A., CO
 8151     2287       3367         554   Uninet S.A. de C.V., MX
 7303     1527        963         245   Telecom Argentina S.A., AR
 6503     1485        437          54   Axtel, S.A.B. de C.V., MX
11830     1353        368          66   Instituto Costarricense de Electricidad
 6147     1288        377          27   Telefonica del Peru S.A.A., PE
 7738     1024       1882          41   Telemar Norte Leste S.A., BR
28573     1013       2264         169   CLARO S.A., BR
 3816      987        474         192   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      907        126          77   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     1190        402          50   LINKdotNET-AS, EG
36903      682        343         139   MT-MPLS, MA
37611      676         67           6   Afrihost, ZA
36992      567       1373          25   ETISALAT-MISR, EG
 8452      494       1472          15   TE-AS TE-AS, EG
24835      418        658          16   RAYA-AS, EG
37492      396        288          72   ORANGE-TN, TN
29571      364         37          12   CITelecom-AS, CI
15399      308         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     5545       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3599        382         245   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3554       2967         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3529        544         167   Telmex Colombia S.A., CO
39891     3330        170          16   ALJAWWALSTC-AS , SA
 6327     3145       1333          82   SHAW - Shaw Communications Inc., CA
17974     2962        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2922       1103        2073   AKAMAI-ASN1 , US
 9829     2708       1500         539   BSNL-NIB National Internet Backbone, IN
 4766     2701      11132         741   KIXS-AS-KR Korea Telecom, KR

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      3554        3402      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3529        3362      Telmex Colombia S.A., CO
 7545      3599        3354      TPG-INTERNET-AP TPG Telecom Limited, AU
39891      3330        3314      ALJAWWALSTC-AS , SA
 6327      3145        3063      SHAW - Shaw Communications Inc., CA
17974      2962        2891      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2225        2193      CMNET-GD Guangdong Mobile Communication
 9829      2708        2169      BSNL-NIB National Internet Backbone, IN
18566      2197        2087      MEGAPATH5-US - MegaPath Corporation, US
 6389      2095        2056      BELLSOUTH-NET-BLK - BellSouth.net Inc.,

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
27.110.192.0/22      45664     UNKNOWN
27.110.196.0/22      45664     UNKNOWN
27.110.200.0/22      45664     UNKNOWN
27.110.204.0/22      45664     UNKNOWN
27.110.224.0/22      45664     UNKNOWN

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      /11:102     /12:274     
/13:522     /14:1050    /15:1789    /16:13153   /17:7864    /18:13076   
/19:25497   /20:38454   /21:40665   /22:72015   /23:60478   /24:344876  
/25:457     /26:357     /27:299     /28:59      /29:34      /30:12      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
 6327     2942          3145      SHAW - Shaw Communications Inc., CA
39891     2896          3330      ALJAWWALSTC-AS , SA
22773     2765          3554      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2197      MEGAPATH5-US - MegaPath Corporation, US
30036     1603          1789      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1443          3529      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1364          1626      TRIOLAN , UA
 6983     1324          1678      ITCDELTA - Earthlink, Inc., US
34984     1275          1986      TELLCOM-AS , TR

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

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

   1:1552      2:817       4:23        5:2238      6:32        8:999    
  12:1803     13:53       14:1754     15:46       16:2        17:102    
  18:126      20:48       23:1918     24:1819     27:2356     31:1792   
  32:83       33:4        35:3        36:349      37:2414     38:1310   
  39:39       40:102      41:2937     42:451      43:1891     44:47     
  45:2251     46:2551     47:104      49:1175     50:938      51:15     
  52:563      53:2        54:350      55:6        56:4        57:40     
  58:1591     59:997      60:378      61:1840     62:1464     63:1928   
  64:4585     65:2176     66:4340     67:2258     68:1142     69:3288   
  70:1288     71:562      72:2064     74:2589     75:405      76:414    
  77:1436     78:1326     79:914      80:1322     81:1391     82:980    
  83:712      84:867      85:1584     86:481      87:1124     88:566    
  89:2040     90:196      91:6124     92:957      93:2370     94:2411   
  95:2554     96:575      97:344      98:943      99:91      100:147    
 101:1180    103:12771   104:2582    105:147     106:465     107:1434   
 108:786     109:2485    110:1278    111:1606    112:1135    113:1150   
 114:1102    115:1694    116:1682    117:1562    118:2096    119:1574   
 120:952     121:1088    122:2282    123:2041    124:1587    125:1839   
 128:690     129:470     130:417     131:1362    132:619     133:175    
 134:510     135:202     136:394     137:389     138:1796    139:439    
 140:623     141:462     142:692     143:913     144:711     145:170    
 146:952     147:665     148:1382    149:554     150:665     151:906    
 152:684     153:306     154:687     155:943     156:537     157:555    
 158:434     159:1314    160:562     161:711     162:2426    163:544    
 164:777     165:1128    166:351     167:1197    168:2342    169:674    
 170:2276    171:257     172:814     173:1827    174:769     175:710    
 176:1727    177:4096    178:2378    179:1164    180:2160    181:1896   
 182:2107    183:1018    184:840     185:7948    186:3177    187:2160   
 188:2260    189:1798    190:7904    191:1300    192:9129    193:5748   
 194:4530    195:3850    196:1841    197:1249    198:5619    199:5826   
 200:7130    201:3720    202:10126   203:9834    204:4503    205:2748   
 206:3017    207:3114    208:3976    209:3875    210:3895    211:2048   
 212:2744    213:2422    214:840     215:67      216:5742    217:1982   
 218:813     219:597     220:1651    221:876     222:712     223:1345   


End of report


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