[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 29 18:10:59 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 Jan, 2016
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 580432
Prefixes after maximum aggregation (per Origin AS): 214504
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 288829
Total ASes present in the Internet Routing Table: 52637
Prefixes per ASN: 11.03
Origin-only ASes present in the Internet Routing Table: 36591
Origin ASes announcing only one prefix: 15810
Transit ASes present in the Internet Routing Table: 6415
Transit-only ASes present in the Internet Routing Table: 168
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 37
Max AS path prepend of ASN ( 40285) 34
Prefixes from unregistered ASNs in the Routing Table: 986
Unregistered ASNs in the Routing Table: 361
Number of 32-bit ASNs allocated by the RIRs: 12540
Number of 32-bit ASNs visible in the Routing Table: 9631
Prefixes from 32-bit ASNs in the Routing Table: 36887
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 399
Number of addresses announced to Internet: 2801150916
Equivalent to 166 /8s, 246 /16s and 43 /24s
Percentage of available address space announced: 75.7
Percentage of allocated address space announced: 75.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 98.0
Total number of prefixes smaller than registry allocations: 190275
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 148369
Total APNIC prefixes after maximum aggregation: 40852
APNIC Deaggregation factor: 3.63
Prefixes being announced from the APNIC address blocks: 157218
Unique aggregates announced from the APNIC address blocks: 63577
APNIC Region origin ASes present in the Internet Routing Table: 5126
APNIC Prefixes per ASN: 30.67
APNIC Region origin ASes announcing only one prefix: 1175
APNIC Region transit ASes present in the Internet Routing Table: 904
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1834
Number of APNIC addresses announced to Internet: 751946372
Equivalent to 44 /8s, 209 /16s and 202 /24s
Percentage of available APNIC address space announced: 87.9
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: 180788
Total ARIN prefixes after maximum aggregation: 89245
ARIN Deaggregation factor: 2.03
Prefixes being announced from the ARIN address blocks: 185220
Unique aggregates announced from the ARIN address blocks: 92814
ARIN Region origin ASes present in the Internet Routing Table: 16433
ARIN Prefixes per ASN: 11.27
ARIN Region origin ASes announcing only one prefix: 5910
ARIN Region transit ASes present in the Internet Routing Table: 1710
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 973
Number of ARIN addresses announced to Internet: 1099537088
Equivalent to 65 /8s, 137 /16s and 154 /24s
Percentage of available ARIN address space announced: 58.2
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: 138919
Total RIPE prefixes after maximum aggregation: 69271
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 147088
Unique aggregates announced from the RIPE address blocks: 91125
RIPE Region origin ASes present in the Internet Routing Table: 18048
RIPE Prefixes per ASN: 8.15
RIPE Region origin ASes announcing only one prefix: 7943
RIPE Region transit ASes present in the Internet Routing Table: 3011
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4407
Number of RIPE addresses announced to Internet: 702673280
Equivalent to 41 /8s, 225 /16s and 241 /24s
Percentage of available RIPE address space announced: 102.2
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: 61117
Total LACNIC prefixes after maximum aggregation: 11929
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 74467
Unique aggregates announced from the LACNIC address blocks: 34709
LACNIC Region origin ASes present in the Internet Routing Table: 2470
LACNIC Prefixes per ASN: 30.15
LACNIC Region origin ASes announcing only one prefix: 591
LACNIC Region transit ASes present in the Internet Routing Table: 542
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2231
Number of LACNIC addresses announced to Internet: 170885120
Equivalent to 10 /8s, 47 /16s and 128 /24s
Percentage of available LACNIC address space announced: 101.9
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: 14276
Total AfriNIC prefixes after maximum aggregation: 3167
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 16040
Unique aggregates announced from the AfriNIC address blocks: 6261
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 21.79
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 172
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 186
Number of AfriNIC addresses announced to Internet: 75711744
Equivalent to 4 /8s, 131 /16s and 69 /24s
Percentage of available AfriNIC address space announced: 75.2
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 5594 4192 76 China Education and Research
7545 3141 347 163 TPG Telecom Limited
4766 3128 11143 1100 Korea Telecom
17974 2859 914 96 PT Telekomunikasi Indonesia
9829 2304 1434 387 National Internet Backbone
4755 2079 432 236 TATA Communications formerly
9808 1787 8717 29 Guangdong Mobile Communicatio
4808 1618 2279 509 CNCGROUP IP network China169
9583 1517 122 557 Sify Limited
17488 1444 230 229 Hathway IP Over Cable Interne
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 3302 2949 148 Cox Communications Inc.
3356 2599 10692 525 Level 3 Communications, Inc.
6389 2443 3687 42 BellSouth.net Inc.
18566 2210 394 278 MegaPath Corporation
20115 1908 1912 410 Charter Communications
6983 1699 849 238 EarthLink, Inc.
30036 1673 334 349 Mediacom Communications Corp
4323 1586 1023 396 tw telecom holdings, inc.
209 1471 4340 1234 Qwest Communications Company,
701 1391 11451 659 MCI Communications Services,
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 2515 135 9 SaudiNet, Saudi Telecom Compa
20940 2362 928 1680 Akamai International B.V.
34984 1942 322 412 TELLCOM ILETISIM HIZMETLERI A
8551 1225 376 53 Bezeq International-Ltd
12479 1111 981 82 France Telecom Espana SA
13188 1076 97 84 TOV "Bank-Inform"
8402 1048 544 15 OJSC "Vimpelcom"
31148 1041 47 41 Freenet Ltd.
9198 969 352 24 JSC Kazakhtelecom
6830 895 2712 465 Liberty Global Operations B.V
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 3421 541 141 Telmex Colombia S.A.
8151 2179 3387 521 Uninet S.A. de C.V.
7303 1588 943 243 Telecom Argentina S.A.
11830 1437 366 25 Instituto Costarricense de El
6503 1394 437 56 Axtel, S.A.B. de C.V.
28573 1037 2171 155 NET Serviços de Comunicação S
6147 1033 376 34 Telefonica del Peru S.A.A.
26615 1002 2325 34 Tim Celular S.A.
7738 994 1882 41 Telemar Norte Leste S.A.
3816 988 479 182 COLOMBIA TELECOMUNICACIONES S
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
8452 1275 1472 15 TE-AS
24863 1177 403 36 Link Egypt (Link.NET)
37611 594 40 44 Afrihost-Brevis Computer Serv
36903 552 278 103 Office National des Postes et
36992 456 1235 34 ETISALAT MISR
37492 358 215 64 Orange Tunisie
24835 331 146 12 Vodafone Data
29571 266 21 12 Cote d'Ivoire Telecom
37054 262 20 7 Data Telecom Service
2018 226 323 73 TENET (The UNINET Project)
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 5594 4192 76 China Education and Research
10620 3421 541 141 Telmex Colombia S.A.
22773 3302 2949 148 Cox Communications Inc.
7545 3141 347 163 TPG Telecom Limited
4766 3128 11143 1100 Korea Telecom
17974 2859 914 96 PT Telekomunikasi Indonesia
3356 2599 10692 525 Level 3 Communications, Inc.
39891 2515 135 9 SaudiNet, Saudi Telecom Compa
6389 2443 3687 42 BellSouth.net Inc.
20940 2362 928 1680 Akamai International B.V.
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 3421 3280 Telmex Colombia S.A.
22773 3302 3154 Cox Communications Inc.
7545 3141 2978 TPG Telecom Limited
17974 2859 2763 PT Telekomunikasi Indonesia
39891 2515 2506 SaudiNet, Saudi Telecom Compa
6389 2443 2401 BellSouth.net Inc.
3356 2599 2074 Level 3 Communications, Inc.
4766 3128 2028 Korea Telecom
18566 2210 1932 MegaPath Corporation
9829 2304 1917 National Internet Backbone
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
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
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
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
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
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
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 40430 colo4jax, LLC
27.100.7.0/24 56096 >>UNKNOWN<<
37.46.10.0/23 36351 SoftLayer Technologies Inc.
37.46.14.0/24 36351 SoftLayer Technologies Inc.
37.46.15.0/24 36351 SoftLayer Technologies Inc.
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 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 /10:35 /11:99 /12:263
/13:505 /14:1014 /15:1744 /16:12967 /17:7449 /18:12530
/19:25686 /20:38055 /21:40106 /22:64231 /23:55657 /24:318511
/25:537 /26:568 /27:384 /28:16 /29:16 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2483 3302 Cox Communications Inc.
39891 2472 2515 SaudiNet, Saudi Telecom Compa
18566 2112 2210 MegaPath Corporation
6389 1542 2443 BellSouth.net Inc.
30036 1489 1673 Mediacom Communications Corp
6983 1343 1699 EarthLink, Inc.
10620 1299 3421 Telmex Colombia S.A.
34984 1229 1942 TELLCOM ILETISIM HIZMETLERI A
11492 1157 1249 CABLE ONE, INC.
31148 960 1041 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1614 2:673 4:101 5:2082 6:26 8:1440
12:1790 13:33 14:1626 15:22 16:2 17:58
18:19 20:48 22:1 23:1355 24:1741 27:2245
31:1715 32:54 33:2 34:2 35:4 36:212
37:2327 38:1152 39:23 40:81 41:3141 42:379
43:1664 44:38 45:1638 46:2395 47:67 49:1100
50:840 51:3 52:38 54:138 55:7 56:6
57:44 58:1473 59:851 60:542 61:1771 62:1441
63:1927 64:4456 65:2180 66:4080 67:2109 68:1099
69:3279 70:1041 71:464 72:1983 74:2541 75:357
76:420 77:1330 78:1271 79:803 80:1298 81:1362
82:850 83:669 84:775 85:1556 86:459 87:1031
88:550 89:1919 90:163 91:6008 92:872 93:2313
94:2232 95:2254 96:471 97:351 98:944 99:45
100:67 101:886 103:9552 104:2234 105:98 106:380
107:1126 108:649 109:2095 110:1265 111:1601 112:931
113:1220 114:1113 115:1612 116:1518 117:1398 118:2016
119:1536 120:510 121:1162 122:2282 123:2004 124:1587
125:1746 128:662 129:361 130:417 131:1285 132:593
133:173 134:451 135:112 136:346 137:327 138:1655
139:199 140:248 141:466 142:625 143:818 144:584
145:150 146:832 147:612 148:1442 149:448 150:637
151:821 152:592 153:265 154:561 155:916 156:464
157:425 158:343 159:1082 160:420 161:747 162:2248
163:522 164:722 165:1106 166:315 167:976 168:1442
169:582 170:1479 171:260 172:420 173:1598 174:712
175:833 176:1512 177:3978 178:2225 179:1085 180:2022
181:1621 182:1925 183:678 184:780 185:5536 186:3073
187:1931 188:2055 189:1791 190:7554 191:1273 192:8866
193:5730 194:4338 195:3722 196:1638 197:1296 198:5536
199:5500 200:6836 201:3677 202:9955 203:9365 204:4506
205:2724 206:2976 207:3027 208:4016 209:3977 210:3777
211:2013 212:2605 213:2149 214:819 215:73 216:5700
217:1900 218:744 219:558 220:1649 221:848 222:671
223:913
End of report
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