[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 30 18:01:31 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 01 Oct, 2016

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

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

BGP routing table entries examined:                              612615
    Prefixes after maximum aggregation (per Origin AS):          220315
    Deaggregation factor:                                          2.78
    Unique aggregates announced (without unneeded subnets):      298785
Total ASes present in the Internet Routing Table:                 54938
    Prefixes per ASN:                                             11.15
Origin-only ASes present in the Internet Routing Table:           36401
Origin ASes announcing only one prefix:                           15384
Transit ASes present in the Internet Routing Table:                6509
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:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                62
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      15608
Number of 32-bit ASNs visible in the Routing Table:               12028
Prefixes from 32-bit ASNs in the Routing Table:                   48261
Number of bogon 32-bit ASNs visible in the Routing Table:           151
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            333
Number of addresses announced to Internet:                   2829857764
    Equivalent to 168 /8s, 172 /16s and 51 /24s
    Percentage of available address space announced:               76.4
    Percentage of allocated address space announced:               76.4
    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:      199109

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

Prefixes being announced by APNIC Region ASes:                   156521
    Total APNIC prefixes after maximum aggregation:               42983
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          170242
    Unique aggregates announced from the APNIC address blocks:    69342
APNIC Region origin ASes present in the Internet Routing Table:    5193
    APNIC Prefixes per ASN:                                       32.78
APNIC Region origin ASes announcing only one prefix:               1146
APNIC Region transit ASes present in the Internet Routing Table:    943
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2395
Number of APNIC addresses announced to Internet:              760195012
    Equivalent to 45 /8s, 79 /16s and 167 /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:                    184711
    Total ARIN prefixes after maximum aggregation:                89553
    ARIN Deaggregation factor:                                     2.06
Prefixes being announced from the ARIN address blocks:           190560
    Unique aggregates announced from the ARIN address blocks:     88497
ARIN Region origin ASes present in the Internet Routing Table:    16181
    ARIN Prefixes per ASN:                                        11.78
ARIN Region origin ASes announcing only one prefix:                5681
ARIN Region transit ASes present in the Internet Routing Table:    1703
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:    1490
Number of ARIN addresses announced to Internet:              1107290592
    Equivalent to 65 /8s, 255 /16s and 233 /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:                    146172
    Total RIPE prefixes after maximum aggregation:                71917
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           156575
    Unique aggregates announced from the RIPE address blocks:     96689
RIPE Region origin ASes present in the Internet Routing Table:    18139
    RIPE Prefixes per ASN:                                         8.63
RIPE Region origin ASes announcing only one prefix:                7833
RIPE Region transit ASes present in the Internet Routing Table:    3037
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:    5054
Number of RIPE addresses announced to Internet:               708935680
    Equivalent to 42 /8s, 65 /16s and 128 /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:                   62128
    Total LACNIC prefixes after maximum aggregation:              12548
    LACNIC Deaggregation factor:                                   4.95
Prefixes being announced from the LACNIC address blocks:          78069
    Unique aggregates announced from the LACNIC address blocks:   37582
LACNIC Region origin ASes present in the Internet Routing Table:   2486
    LACNIC Prefixes per ASN:                                      31.40
LACNIC Region origin ASes announcing only one prefix:               550
LACNIC Region transit ASes present in the Internet Routing Table:   581
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2825
Number of LACNIC addresses announced to Internet:             170784832
    Equivalent to 10 /8s, 45 /16s and 248 /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:                  14759
    Total AfriNIC prefixes after maximum aggregation:              3304
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:         16836
    Unique aggregates announced from the AfriNIC address blocks:   6370
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     22.88
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  179
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:  264
Number of AfriNIC addresses announced to Internet:             82320128
    Equivalent to 4 /8s, 232 /16s and 27 /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     3540        382         249   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3002      11138         984   KIXS-AS-KR Korea Telecom, KR
17974     2947        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2696       1497         532   BSNL-NIB National Internet Backbone, IN
 9808     2185       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2055        429         218   TATACOMM-AS TATA Communications formerl
 4808     1769       2289         522   CHINA169-BJ China Unicom Beijing Provin
45899     1588       1235          89   VNPT-AS-VN VNPT Corp, VN
24560     1549        516         220   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     3527       2964         145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2218       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2196        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1939       1982         405   CHARTER-NET-HKY-NC - Charter Communicat
30036     1760        340         272   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1721       5071         657   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1679        848         227   ITCDELTA - Earthlink, Inc., US
  701     1618      10686         678   UUNET - MCI Communications Services, In
16509     1418       2537         470   AMAZON-02 - Amazon.com, Inc., US
 7018     1368      20092        1008   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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2828       1073        2011   AKAMAI-ASN1 , US
34984     1972        326         356   TELLCOM-AS , TR
12479     1351       1018          46   UNI2-AS , ES
13188     1237         99          57   BANKINFORM-AS , UA
 8551     1206        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1144        355          21   UKRTELNET , UA
 8402     1093        544          15   CORBINA-AS Russia, RU
12389      927       1113         401   ROSTELECOM-AS , RU
 6830      892       2755         467   LGI-UPC formerly known as UPC Broadband

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

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
10620     3494        541         177   Telmex Colombia S.A., CO
 8151     2283       3397         555   Uninet S.A. de C.V., MX
 7303     1546        957         245   Telecom Argentina S.A., AR
 6503     1406        437          54   Axtel, S.A.B. de C.V., MX
11830     1324        367          57   Instituto Costarricense de Electricidad
 6147     1203        377          27   Telefonica del Peru S.A.A., PE
28573      999       2213         196   CLARO S.A., BR
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      972        470         202   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      906        125          76   Alestra, S. de R.L. de C.V., MX

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

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
24863     1184        402          50   LINKdotNET-AS, EG
36903      684        344         121   MT-MPLS, MA
37611      668         51           5   Afrihost, ZA
36992      565       1373          25   ETISALAT-MISR, EG
 8452      522       1472          15   TE-AS TE-AS, EG
37492      385        252          70   ORANGE-TN, TN
24835      349        611          17   RAYA-AS, EG
29571      318         37          12   CITelecom-AS, CI
15399      298         35           7   WANANCHI-KE, KE
 2018      269        327          74   TENET-1, ZA

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

Global Per AS prefix count summary
----------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4538     5549       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3540        382         249   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3527       2964         145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3494        541         177   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3002      11138         984   KIXS-AS-KR Korea Telecom, KR
17974     2947        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2828       1073        2011   AKAMAI-ASN1 , US
 9829     2696       1497         532   BSNL-NIB National Internet Backbone, IN
 8151     2283       3397         555   Uninet S.A. de C.V., MX

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
22773      3527        3382      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3494        3317      Telmex Colombia S.A., CO
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3540        3291      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2947        2869      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 6389      2218        2177      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2696        2164      BSNL-NIB National Internet Backbone, IN
 9808      2185        2143      CMNET-GD Guangdong Mobile Communication
18566      2196        2086      MEGAPATH5-US - MegaPath Corporation, US
 4766      3002        2018      KIXS-AS-KR Korea Telecom, KR

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
65512   PRIVATE      45.252.244.0/24      45899       VNPT-AS-VN VNPT Corp, VN
65512   PRIVATE      45.252.245.0/24      45899       VNPT-AS-VN VNPT Corp, VN

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

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

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

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:36      /11:103     /12:273     
/13:523     /14:1051    /15:1774    /16:13166   /17:7839    /18:13034   
/19:25414   /20:38763   /21:40311   /22:68182   /23:59822   /24:340828  
/25:510     /26:480     /27:339     /28:58      /29:32      /30:13      
/31:1       /32:34      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2748          3527      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1574          1760      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1416          2218      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1416          3494      Telmex Colombia S.A., CO
 6983     1328          1679      ITCDELTA - Earthlink, Inc., US
34984     1257          1972      TELLCOM-AS , TR
11492     1205          1297      CABLEONE - CABLE ONE, INC., US
13188     1012          1237      BANKINFORM-AS , UA

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

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

   1:1641      2:797       4:23        5:2179      6:31        8:987    
  12:1796     13:44       14:1742     15:46       16:2        17:98     
  18:122      20:50       22:1        23:1860     24:1803     27:2337   
  31:1789     32:83       33:4        35:5        36:329      37:2322   
  38:1258     39:36       40:103      41:2945     42:456      43:1854   
  44:46       45:2144     46:2554     47:99       49:1210     50:909    
  51:13       52:553      53:2        54:348      55:7        56:7      
  57:41       58:1571     59:1014     60:376      61:1840     62:1517   
  63:1920     64:4565     65:2174     66:4271     67:2207     68:1123   
  69:3257     70:1288     71:558      72:2071     74:2582     75:401    
  76:414      77:1386     78:1221     79:920      80:1301     81:1404   
  82:988      83:705      84:857      85:1567     86:479      87:1134   
  88:546      89:2081     90:225      91:6093     92:950      93:2361   
  94:2436     95:2503     96:577      97:344      98:958      99:89     
 100:148     101:1153    103:12422   104:2532    105:108     106:437    
 107:1437    108:779     109:2254    110:1280    111:1635    112:1069   
 113:1143    114:1081    115:1686    116:1675    117:1567    118:2043   
 119:1582    120:938     121:1118    122:2264    123:2034    124:1575   
 125:1822    128:685     129:439     130:418     131:1374    132:622    
 133:175     134:489     135:197     136:387     137:399     138:1888   
 139:434     140:600     141:452     142:663     143:962     144:732    
 145:164     146:956     147:649     148:1393    149:537     150:659    
 151:897     152:670     153:300     154:696     155:956     156:530    
 157:525     158:390     159:1241    160:505     161:735     162:2408   
 163:568     164:774     165:1115    166:336     167:1195    168:2224   
 169:673     170:1969    171:252     172:719     173:1743    174:768    
 175:673     176:1726    177:3994    178:2249    179:1172    180:2161   
 181:1888    182:2078    183:1004    184:830     185:7548    186:3161   
 187:2124    188:2207    189:1758    190:7771    191:1298    192:9030   
 193:5736    194:4449    195:3839    196:1778    197:1161    198:5590   
 199:5749    200:7157    201:3684    202:10122   203:9840    204:4527   
 205:2737    206:3000    207:3078    208:4059    209:3862    210:3881   
 211:2044    212:2719    213:2347    214:870     215:68      216:5743   
 217:1991    218:802     219:611     220:1635    221:880     222:698    
 223:1304   

End of report


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