Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 7 18:01:24 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 08 Oct, 2016

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

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

BGP routing table entries examined:                              613098
    Prefixes after maximum aggregation (per Origin AS):          220270
    Deaggregation factor:                                          2.78
    Unique aggregates announced (without unneeded subnets):      299031
Total ASes present in the Internet Routing Table:                 54952
    Prefixes per ASN:                                             11.16
Origin-only ASes present in the Internet Routing Table:           36365
Origin ASes announcing only one prefix:                           15357
Transit ASes present in the Internet Routing Table:                6515
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:                59
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      15672
Number of 32-bit ASNs visible in the Routing Table:               12072
Prefixes from 32-bit ASNs in the Routing Table:                   48549
Number of bogon 32-bit ASNs visible in the Routing Table:           171
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            368
Number of addresses announced to Internet:                   2831156388
    Equivalent to 168 /8s, 192 /16s and 4 /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:      199304

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

Prefixes being announced by APNIC Region ASes:                   156388
    Total APNIC prefixes after maximum aggregation:               42908
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          170156
    Unique aggregates announced from the APNIC address blocks:    69373
APNIC Region origin ASes present in the Internet Routing Table:    5186
    APNIC Prefixes per ASN:                                       32.81
APNIC Region origin ASes announcing only one prefix:               1148
APNIC Region transit ASes present in the Internet Routing Table:    939
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:   2406
Number of APNIC addresses announced to Internet:              760131012
    Equivalent to 45 /8s, 78 /16s and 173 /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:                    184574
    Total ARIN prefixes after maximum aggregation:                89501
    ARIN Deaggregation factor:                                     2.06
Prefixes being announced from the ARIN address blocks:           190411
    Unique aggregates announced from the ARIN address blocks:     88508
ARIN Region origin ASes present in the Internet Routing Table:    16168
    ARIN Prefixes per ASN:                                        11.78
ARIN Region origin ASes announcing only one prefix:                5673
ARIN Region transit ASes present in the Internet Routing Table:    1700
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:    1499
Number of ARIN addresses announced to Internet:              1107151264
    Equivalent to 65 /8s, 253 /16s and 201 /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:                    146152
    Total RIPE prefixes after maximum aggregation:                71972
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           156615
    Unique aggregates announced from the RIPE address blocks:     96828
RIPE Region origin ASes present in the Internet Routing Table:    18129
    RIPE Prefixes per ASN:                                         8.64
RIPE Region origin ASes announcing only one prefix:                7815
RIPE Region transit ASes present in the Internet Routing Table:    3040
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:    5059
Number of RIPE addresses announced to Internet:               709023488
    Equivalent to 42 /8s, 66 /16s and 215 /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:                   62520
    Total LACNIC prefixes after maximum aggregation:              12578
    LACNIC Deaggregation factor:                                   4.97
Prefixes being announced from the LACNIC address blocks:          78550
    Unique aggregates announced from the LACNIC address blocks:   37624
LACNIC Region origin ASes present in the Internet Routing Table:   2482
    LACNIC Prefixes per ASN:                                      31.65
LACNIC Region origin ASes announcing only one prefix:               544
LACNIC Region transit ASes present in the Internet Routing Table:   587
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2844
Number of LACNIC addresses announced to Internet:             170638912
    Equivalent to 10 /8s, 43 /16s and 190 /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:                  14855
    Total AfriNIC prefixes after maximum aggregation:              3301
    AfriNIC Deaggregation factor:                                  4.50
Prefixes being announced from the AfriNIC address blocks:         16998
    Unique aggregates announced from the AfriNIC address blocks:   6371
AfriNIC Region origin ASes present in the Internet Routing Table:   740
    AfriNIC Prefixes per ASN:                                     22.97
AfriNIC Region origin ASes announcing only one prefix:              177
AfriNIC Region transit ASes present in the Internet Routing Table:  184
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:             83812096
    Equivalent to 4 /8s, 254 /16s and 223 /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     5559       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3532        382         249   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2953        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2815      11131         853   KIXS-AS-KR Korea Telecom, KR
 9829     2699       1497         532   BSNL-NIB National Internet Backbone, IN
 9808     2185       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2056        429         219   TATACOMM-AS TATA Communications formerl
 4808     1769       2289         522   CHINA169-BJ China Unicom Beijing Provin
45899     1563       1235          90   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     3526       2964         146   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     1941       1985         406   CHARTER-NET-HKY-NC - Charter Communicat
30036     1746        336         294   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1725       5070         658   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1677        848         227   ITCDELTA - Earthlink, Inc., US
  701     1612      10674         674   UUNET - MCI Communications Services, In
16509     1424       2537         474   AMAZON-02 - Amazon.com, Inc., US
 7018     1366      20092        1006   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     2805       1054        2007   AKAMAI-ASN1 , US
34984     1977        326         354   TELLCOM-AS , TR
12479     1360       1018          46   UNI2-AS , ES
13188     1267         99          57   BANKINFORM-AS , UA
 8551     1206        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1096        544          15   CORBINA-AS Russia, RU
12389      923       1120         406   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     3497        540         183   Telmex Colombia S.A., CO
 8151     2265       3353         556   Uninet S.A. de C.V., MX
 7303     1547        958         246   Telecom Argentina S.A., AR
 6503     1419        437          54   Axtel, S.A.B. de C.V., MX
11830     1322        367          57   Instituto Costarricense de Electricidad
 6147     1230        377          27   Telefonica del Peru S.A.A., PE
28573     1000       2221         197   CLARO S.A., BR
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      974        471         195   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      682        343         125   MT-MPLS, MA
37611      665         67           6   Afrihost, ZA
36992      565       1373          25   ETISALAT-MISR, EG
 8452      518       1471          15   TE-AS TE-AS, EG
37492      384        250          69   ORANGE-TN, TN
24835      350        611          17   RAYA-AS, EG
29571      332         37          12   CITelecom-AS, CI
15399      302         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     5559       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3532        382         249   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3526       2964         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3497        540         183   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
17974     2953        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2815      11131         853   KIXS-AS-KR Korea Telecom, KR
20940     2805       1054        2007   AKAMAI-ASN1 , US
 9829     2699       1497         532   BSNL-NIB National Internet Backbone, IN
 8151     2265       3353         556   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      3526        3380      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3497        3314      Telmex Colombia S.A., CO
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3532        3283      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2953        2875      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 6389      2218        2177      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2699        2167      BSNL-NIB National Internet Backbone, IN
 9808      2185        2143      CMNET-GD Guangdong Mobile Communication
18566      2196        2086      MEGAPATH5-US - MegaPath Corporation, US
 4766      2815        1962      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     /14:1052    /15:1775    /16:13173   /17:7840    /18:13061   
/19:25397   /20:38800   /21:40321   /22:68217   /23:59789   /24:341400  
/25:473     /26:397     /27:303     /28:57      /29:32      /30:13      
/31:1       /32:33      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2747          3526      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1561          1746      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1422          3497      Telmex Colombia S.A., CO
 6389     1416          2218      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 6983     1325          1677      ITCDELTA - Earthlink, Inc., US
34984     1262          1977      TELLCOM-AS , TR
11492     1211          1303      CABLEONE - CABLE ONE, INC., US
13188     1042          1267      BANKINFORM-AS , UA

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

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

   1:1670      2:786       4:23        5:2196      6:31        8:992    
  12:1800     13:44       14:1743     15:46       16:2        17:99     
  18:126      20:50       22:1        23:1869     24:1809     27:2322   
  31:1790     32:83       33:4        35:4        36:326      37:2321   
  38:1260     39:36       40:102      41:2970     42:453      43:1862   
  44:45       45:2150     46:2544     47:98       49:1178     50:911    
  51:13       52:553      53:2        54:350      55:6        56:4      
  57:41       58:1568     59:1018     60:376      61:1826     62:1510   
  63:1917     64:4581     65:2175     66:4271     67:2216     68:1131   
  69:3267     70:1284     71:557      72:2080     74:2583     75:402    
  76:415      77:1404     78:1217     79:925      80:1307     81:1406   
  82:988      83:705      84:872      85:1575     86:482      87:1134   
  88:553      89:2095     90:222      91:6104     92:918      93:2369   
  94:2418     95:2496     96:578      97:344      98:958      99:89     
 100:147     101:1157    103:12506   104:2566    105:126     106:441    
 107:1435    108:780     109:2277    110:1278    111:1638    112:1069   
 113:1145    114:1084    115:1688    116:1678    117:1569    118:2050   
 119:1578    120:937     121:1122    122:2268    123:2035    124:1569   
 125:1827    128:693     129:438     130:419     131:1379    132:607    
 133:175     134:488     135:198     136:386     137:397     138:1781   
 139:431     140:601     141:447     142:668     143:957     144:726    
 145:165     146:956     147:653     148:1392    149:540     150:659    
 151:899     152:673     153:301     154:693     155:950     156:529    
 157:533     158:389     159:1207    160:517     161:735     162:2408   
 163:570     164:775     165:1120    166:336     167:1188    168:2253   
 169:658     170:1992    171:252     172:748     173:1738    174:767    
 175:671     176:1727    177:4038    178:2244    179:1174    180:2148   
 181:1918    182:2080    183:1006    184:835     185:7591    186:3201   
 187:2149    188:2208    189:1757    190:7832    191:1302    192:9040   
 193:5745    194:4461    195:3849    196:1784    197:1214    198:5589   
 199:5757    200:7176    201:3705    202:10120   203:9838    204:4513   
 205:2735    206:2999    207:3075    208:4069    209:3872    210:3887   
 211:2045    212:2731    213:2347    214:861     215:68      216:5704   
 217:1989    218:804     219:611     220:1634    221:880     222:698    
 223:1311   

End of report


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