[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Apr 29 18:11:19 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, PaNOG, 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 30 Apr, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 593320
Prefixes after maximum aggregation (per Origin AS): 217357
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 290159
Total ASes present in the Internet Routing Table: 53574
Prefixes per ASN: 11.07
Origin-only ASes present in the Internet Routing Table: 36587
Origin ASes announcing only one prefix: 15699
Transit ASes present in the Internet Routing Table: 6432
Transit-only ASes present in the Internet Routing Table: 172
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 45
Max AS path prepend of ASN ( 40285) 42
Prefixes from unregistered ASNs in the Routing Table: 1012
Unregistered ASNs in the Routing Table: 366
Number of 32-bit ASNs allocated by the RIRs: 13668
Number of 32-bit ASNs visible in the Routing Table: 10555
Prefixes from 32-bit ASNs in the Routing Table: 41431
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 389
Number of addresses announced to Internet: 2810793284
Equivalent to 167 /8s, 137 /16s and 77 /24s
Percentage of available address space announced: 75.9
Percentage of allocated address space announced: 75.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.1
Total number of prefixes smaller than registry allocations: 193746
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 151960
Total APNIC prefixes after maximum aggregation: 42211
APNIC Deaggregation factor: 3.60
Prefixes being announced from the APNIC address blocks: 162661
Unique aggregates announced from the APNIC address blocks: 66214
APNIC Region origin ASes present in the Internet Routing Table: 5164
APNIC Prefixes per ASN: 31.50
APNIC Region origin ASes announcing only one prefix: 1184
APNIC Region transit ASes present in the Internet Routing Table: 913
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2033
Number of APNIC addresses announced to Internet: 754267460
Equivalent to 44 /8s, 245 /16s and 53 /24s
Percentage of available APNIC address space announced: 88.2
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, 131072-135580
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: 180907
Total ARIN prefixes after maximum aggregation: 89400
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 186041
Unique aggregates announced from the ARIN address blocks: 88502
ARIN Region origin ASes present in the Internet Routing Table: 16367
ARIN Prefixes per ASN: 11.37
ARIN Region origin ASes announcing only one prefix: 5842
ARIN Region transit ASes present in the Internet Routing Table: 1713
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 45
Number of ARIN region 32-bit ASNs visible in the Routing Table: 1161
Number of ARIN addresses announced to Internet: 1101677376
Equivalent to 65 /8s, 170 /16s and 67 /24s
Percentage of available ARIN address space announced: 58.3
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, 393216-395164
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: 143000
Total RIPE prefixes after maximum aggregation: 70238
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 152054
Unique aggregates announced from the RIPE address blocks: 93146
RIPE Region origin ASes present in the Internet Routing Table: 18078
RIPE Prefixes per ASN: 8.41
RIPE Region origin ASes announcing only one prefix: 7914
RIPE Region transit ASes present in the Internet Routing Table: 3001
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4709
Number of RIPE addresses announced to Internet: 704653696
Equivalent to 42 /8s, 0 /16s and 41 /24s
Percentage of available RIPE address space announced: 102.4
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, 196608-204287
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: 61721
Total LACNIC prefixes after maximum aggregation: 12271
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 76026
Unique aggregates announced from the LACNIC address blocks: 36089
LACNIC Region origin ASes present in the Internet Routing Table: 2474
LACNIC Prefixes per ASN: 30.73
LACNIC Region origin ASes announcing only one prefix: 578
LACNIC Region transit ASes present in the Internet Routing Table: 562
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2442
Number of LACNIC addresses announced to Internet: 171320128
Equivalent to 10 /8s, 54 /16s and 35 /24s
Percentage of available LACNIC address space announced: 102.1
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 14187
Total AfriNIC prefixes after maximum aggregation: 3196
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 16149
Unique aggregates announced from the AfriNIC address blocks: 5855
AfriNIC Region origin ASes present in the Internet Routing Table: 738
AfriNIC Prefixes per ASN: 21.88
AfriNIC Region origin ASes announcing only one prefix: 181
AfriNIC Region transit ASes present in the Internet Routing Table: 170
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 210
Number of AfriNIC addresses announced to Internet: 78506240
Equivalent to 4 /8s, 173 /16s and 233 /24s
Percentage of available AfriNIC address space announced: 78.0
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 5560 4192 76 China Education and Research
7545 3297 354 214 TPG Telecom Limited
4766 3168 11160 1126 Korea Telecom
17974 2924 914 96 PT Telekomunikasi Indonesia
9829 2497 1467 462 National Internet Backbone
4755 2089 432 240 TATA Communications formerly
9808 1883 8717 30 Guangdong Mobile Communicatio
4808 1656 2299 541 CNCGROUP IP network China169
9583 1510 121 564 Sify Limited
38197 1487 92 212 Sun Network (Hong Kong) Limit
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 3309 2948 145 Cox Communications Inc.
6389 2322 3671 41 BellSouth.net Inc.
18566 2204 394 275 MegaPath Corporation
20115 1923 1937 404 Charter Communications
30036 1779 350 179 Mediacom Communications Corp
6983 1690 849 232 EarthLink, Inc.
209 1572 4666 1241 Qwest Communications Company,
4323 1567 1004 386 tw telecom holdings, inc.
701 1296 10702 704 MCI Communications Services,
7018 1278 19906 974 AT&T Services, Inc.
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 2901 151 11 SaudiNet, Saudi Telecom Compa
20940 2453 928 1789 Akamai International B.V.
34984 1968 323 417 TELLCOM ILETISIM HIZMETLERI A
8551 1630 376 55 Bezeq International-Ltd
12479 1173 979 92 France Telecom Espana SA
6849 1152 355 21 JSC "Ukrtelecom"
13188 1079 98 66 TOV "Bank-Inform"
8402 1046 544 15 OJSC "Vimpelcom"
31148 1027 47 41 Freenet Ltd.
9198 957 352 25 JSC Kazakhtelecom
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 3469 542 147 Telmex Colombia S.A.
8151 2248 3401 577 Uninet S.A. de C.V.
7303 1515 940 237 Telecom Argentina S.A.
11830 1483 368 53 Instituto Costarricense de El
6503 1434 437 57 Axtel, S.A.B. de C.V.
3816 997 478 187 COLOMBIA TELECOMUNICACIONES S
26615 989 2325 34 Tim Celular S.A.
7738 987 1882 40 Telemar Norte Leste S.A.
11172 869 125 76 Alestra, S. de R.L. de C.V.
18881 867 1036 22 Global Village Telecom
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 1227 402 40 Link Egypt (Link.NET)
37611 641 48 2 Afrihost-Brevis Computer Serv
36903 616 310 110 Office National des Postes et
8452 538 1472 15 TE-AS
36992 511 1357 26 ETISALAT MISR
37492 395 234 68 Orange Tunisie
24835 328 338 15 Vodafone Data
29571 301 37 13 Cote d'Ivoire Telecom
2018 256 327 74 TENET (The UNINET Project)
36947 237 807 13 Telecom Algeria
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 5560 4192 76 China Education and Research
10620 3469 542 147 Telmex Colombia S.A.
22773 3309 2948 145 Cox Communications Inc.
7545 3297 354 214 TPG Telecom Limited
4766 3168 11160 1126 Korea Telecom
17974 2924 914 96 PT Telekomunikasi Indonesia
39891 2901 151 11 SaudiNet, Saudi Telecom Compa
9829 2497 1467 462 National Internet Backbone
20940 2453 928 1789 Akamai International B.V.
6389 2322 3671 41 BellSouth.net Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
10620 3469 3322 Telmex Colombia S.A.
22773 3309 3164 Cox Communications Inc.
7545 3297 3083 TPG Telecom Limited
39891 2901 2890 SaudiNet, Saudi Telecom Compa
17974 2924 2828 PT Telekomunikasi Indonesia
6389 2322 2281 BellSouth.net Inc.
4766 3168 2042 Korea Telecom
9829 2497 2035 National Internet Backbone
18566 2204 1929 MegaPath Corporation
9808 1883 1853 Guangdong Mobile Communicatio
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 OJSC Rostelecom
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
16589 UNALLOCATED 8.20.247.0/24 35838 CCANET Limited
16589 UNALLOCATED 8.26.56.0/24 35838 CCANET Limited
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.20.0/24 32787 Prolexic Technologie
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 37004 >>UNKNOWN<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 37004 >>UNKNOWN<<
41.73.7.0/24 37004 >>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 /11:101 /12:267
/13:509 /14:1036 /15:1767 /16:13000 /17:7613 /18:12769
/19:25947 /20:38243 /21:39996 /22:65749 /23:57212 /24:327351
/25:561 /26:593 /27:418 /28:44 /29:32 /30:14
/31:1 /32:32
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2664 2901 SaudiNet, Saudi Telecom Compa
22773 2506 3309 Cox Communications Inc.
18566 2106 2204 MegaPath Corporation
30036 1593 1779 Mediacom Communications Corp
6389 1487 2322 BellSouth.net Inc.
10620 1361 3469 Telmex Colombia S.A.
6983 1339 1690 EarthLink, Inc.
34984 1252 1968 TELLCOM ILETISIM HIZMETLERI A
11492 1172 1266 CABLE ONE, INC.
8551 1126 1630 Bezeq International-Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1575 2:747 4:21 5:2061 6:28 8:952
12:1773 13:39 14:1683 15:45 16:2 17:84
18:89 20:48 23:1521 24:1768 27:2277 31:1766
32:59 33:2 34:2 35:5 36:292 37:2262
38:1211 39:27 40:89 41:2759 42:396 43:1737
44:42 45:1807 46:2509 47:78 49:1130 50:881
51:24 52:173 54:328 55:5 56:6 57:42
58:1550 59:862 60:350 61:1811 62:1487 63:1924
64:4486 65:2146 66:4242 67:2151 68:1087 69:3249
70:1071 71:466 72:1992 74:2543 75:343 76:356
77:1377 78:1253 79:1069 80:1319 81:1371 82:929
83:695 84:820 85:1577 86:476 87:1047 88:562
89:1997 90:168 91:6100 92:887 93:2334 94:2339
95:2311 96:484 97:358 98:943 99:46 100:74
101:1051 103:10514 104:2391 105:123 106:401 107:1133
108:666 109:2325 110:1248 111:1645 112:958 113:1165
114:1047 115:1552 116:1588 117:1454 118:2058 119:1613
120:925 121:1168 122:2209 123:2012 124:1568 125:1752
128:692 129:407 130:404 131:1339 132:631 133:174
134:447 135:125 136:374 137:351 138:1718 139:259
140:540 141:471 142:642 143:911 144:665 145:156
146:857 147:686 148:1466 149:499 150:651 151:882
152:607 153:271 154:618 155:948 156:494 157:486
158:348 159:1110 160:476 161:747 162:2311 163:559
164:751 165:1048 166:312 167:1133 168:1763 169:651
170:1575 171:264 172:540 173:1709 174:734 175:730
176:1728 177:3950 178:2205 179:1143 180:2056 181:1698
182:1886 183:934 184:800 185:6331 186:3135 187:2090
188:2138 189:1741 190:7623 191:1232 192:8920 193:5724
194:4367 195:3758 196:1722 197:1057 198:5546 199:5702
200:6921 201:3679 202:10086 203:9636 204:4493 205:2708
206:2976 207:3104 208:4055 209:3812 210:3923 211:2045
212:2682 213:2221 214:852 215:71 216:5781 217:1934
218:791 219:577 220:1675 221:871 222:664 223:1213
End of report
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