[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 24 18:13:21 UTC 2014
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, LacNOG,
TRNOG, CaribNOG and the RIPE Routing Working Group.
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 25 Jan, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 479892
Prefixes after maximum aggregation: 190818
Deaggregation factor: 2.51
Unique aggregates announced to Internet: 237486
Total ASes present in the Internet Routing Table: 45998
Prefixes per ASN: 10.43
Origin-only ASes present in the Internet Routing Table: 35541
Origin ASes announcing only one prefix: 16285
Transit ASes present in the Internet Routing Table: 6006
Transit-only ASes present in the Internet Routing Table: 168
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 53
Max AS path prepend of ASN ( 50404) 51
Prefixes from unregistered ASNs in the Routing Table: 2707
Unregistered ASNs in the Routing Table: 648
Number of 32-bit ASNs allocated by the RIRs: 5746
Number of 32-bit ASNs visible in the Routing Table: 4451
Prefixes from 32-bit ASNs in the Routing Table: 14112
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 2018
Number of addresses announced to Internet: 2663146148
Equivalent to 158 /8s, 188 /16s and 98 /24s
Percentage of available address space announced: 71.9
Percentage of allocated address space announced: 71.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.4
Total number of prefixes smaller than registry allocations: 166690
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 114387
Total APNIC prefixes after maximum aggregation: 34391
APNIC Deaggregation factor: 3.33
Prefixes being announced from the APNIC address blocks: 116810
Unique aggregates announced from the APNIC address blocks: 48876
APNIC Region origin ASes present in the Internet Routing Table: 4888
APNIC Prefixes per ASN: 23.90
APNIC Region origin ASes announcing only one prefix: 1224
APNIC Region transit ASes present in the Internet Routing Table: 840
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 814
Number of APNIC addresses announced to Internet: 729945088
Equivalent to 43 /8s, 130 /16s and 20 /24s
Percentage of available APNIC address space announced: 85.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 163875
Total ARIN prefixes after maximum aggregation: 82068
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164320
Unique aggregates announced from the ARIN address blocks: 75852
ARIN Region origin ASes present in the Internet Routing Table: 15934
ARIN Prefixes per ASN: 10.31
ARIN Region origin ASes announcing only one prefix: 5966
ARIN Region transit ASes present in the Internet Routing Table: 1673
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 59
Number of ARIN addresses announced to Internet: 1071108864
Equivalent to 63 /8s, 215 /16s and 211 /24s
Percentage of available ARIN address space announced: 56.7
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, 393216-394239
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: 120956
Total RIPE prefixes after maximum aggregation: 61508
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 124705
Unique aggregates announced from the RIPE address blocks: 79612
RIPE Region origin ASes present in the Internet Routing Table: 17616
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 8342
RIPE Region transit ASes present in the Internet Routing Table: 2854
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2590
Number of RIPE addresses announced to Internet: 656353156
Equivalent to 39 /8s, 31 /16s and 39 /24s
Percentage of available RIPE address space announced: 95.4
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, 196608-200191
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: 53799
Total LACNIC prefixes after maximum aggregation: 9925
LACNIC Deaggregation factor: 5.42
Prefixes being announced from the LACNIC address blocks: 59419
Unique aggregates announced from the LACNIC address blocks: 27533
LACNIC Region origin ASes present in the Internet Routing Table: 2059
LACNIC Prefixes per ASN: 28.86
LACNIC Region origin ASes announcing only one prefix: 555
LACNIC Region transit ASes present in the Internet Routing Table: 403
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 979
Number of LACNIC addresses announced to Internet: 148668192
Equivalent to 8 /8s, 220 /16s and 127 /24s
Percentage of available LACNIC address space announced: 88.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 plus 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: 11899
Total AfriNIC prefixes after maximum aggregation: 2606
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12620
Unique aggregates announced from the AfriNIC address blocks: 4088
AfriNIC Region origin ASes present in the Internet Routing Table: 697
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 149
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9
Number of AfriNIC addresses announced to Internet: 50232320
Equivalent to 2 /8s, 254 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 49.9
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
4766 2937 11557 951 Korea Telecom
17974 2737 902 88 PT Telekomunikasi Indonesia
7545 2146 320 116 TPG Telecom Limited
4755 1828 394 200 TATA Communications formerly
9829 1591 1282 44 National Internet Backbone
9583 1297 101 533 Sify Limited
7552 1235 1080 13 Viettel Corporation
9498 1213 309 68 BHARTI Airtel Ltd.
4808 1172 2121 348 CNCGROUP IP network China169
24560 1093 382 167 Bharti Airtel Ltd., Telemedia
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
6389 3028 3688 53 BellSouth.net Inc.
22773 2324 2940 138 Cox Communications Inc.
1785 2154 689 127 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1684 1668 586 Charter Communications
4323 1629 1089 407 tw telecom holdings, inc.
701 1499 11173 768 MCI Communications Services,
30036 1376 297 570 Mediacom Communications Corp
7018 1299 18004 845 AT&T Services, Inc.
6983 1295 756 581 ITC^Deltacom
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
8402 1842 544 16 OJSC "Vimpelcom"
34984 1393 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1224 460 924 Akamai International B.V.
13188 1039 99 30 TOV "Bank-Inform"
31148 1013 45 21 Freenet Ltd.
6849 873 362 37 JSC "Ukrtelecom"
8551 851 370 38 Bezeq International-Ltd
6830 772 2327 425 Liberty Global Operations B.V
12479 697 797 55 France Telecom Espana SA
35228 553 246 16 Telefonica UK Limited
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
28573 3325 1862 78 NET Serviços de Comunicação S
10620 2681 434 237 Telmex Colombia S.A.
18881 1831 909 21 Global Village Telecom
7303 1744 1165 223 Telecom Argentina S.A.
8151 1376 2884 427 Uninet S.A. de C.V.
11830 869 364 15 Instituto Costarricense de El
7738 847 1626 39 Telemar Norte Leste S.A.
6503 838 434 60 Axtel, S.A.B. de C.V.
27947 836 93 94 Telconet S.A
6147 773 373 27 Telefonica del Peru S.A.A.
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
36998 1810 240 6 Sudanese Mobile Telephone (ZA
24863 909 380 28 Link Egypt (Link.NET)
6713 600 653 27 Office National des Postes et
8452 471 956 9 TE-AS
24835 298 144 9 Vodafone Data
3741 246 921 208 Internet Solutions
29571 242 21 14 Cote d'Ivoire Telecom
36992 239 783 24 ETISALAT MISR
15706 219 32 6 Sudatel (Sudan Telecom Co. Lt
29975 192 668 21 Vodacom
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
28573 3325 1862 78 NET Serviços de Comunicação S
6389 3028 3688 53 BellSouth.net Inc.
4766 2937 11557 951 Korea Telecom
17974 2737 902 88 PT Telekomunikasi Indonesia
10620 2681 434 237 Telmex Colombia S.A.
22773 2324 2940 138 Cox Communications Inc.
1785 2154 689 127 PaeTec Communications, Inc.
7545 2146 320 116 TPG Telecom Limited
18566 2048 379 178 MegaPath Corporation
8402 1842 544 16 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3028 2975 BellSouth.net Inc.
17974 2737 2649 PT Telekomunikasi Indonesia
10620 2681 2444 Telmex Colombia S.A.
22773 2324 2186 Cox Communications Inc.
7545 2146 2030 TPG Telecom Limited
1785 2154 2027 PaeTec Communications, Inc.
4766 2937 1986 Korea Telecom
18566 2048 1870 MegaPath Corporation
8402 1842 1826 OJSC "Vimpelcom"
18881 1831 1810 Global Village Telecom
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
14728 UNALLOCATED 8.8.192.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.196.0/22 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.200.0/23 3356 Level 3 Communicatio
14728 UNALLOCATED 8.8.202.0/23 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 2828 XO Communications
62828 UNALLOCATED 8.21.130.0/24 4323 tw telecom holdings,
62850 UNALLOCATED 8.25.147.0/24 46887 Lightower Fiber Netw
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.91.0.0/19 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Netstream Communications, LLC
23.91.96.0/20 40676 Psychz Networks
23.91.111.0/24 49544 i3d B.V.
23.91.112.0/21 32475 SingleHop
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.128.0/19 5645 TekSavvy Solutions, Inc.
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 /9:11 /10:30 /11:92 /12:253
/13:475 /14:944 /15:1650 /16:12879 /17:6819 /18:11477
/19:23690 /20:33430 /21:36046 /22:51022 /23:44484 /24:254375
/25:784 /26:941 /27:426 /28:12 /29:16 /30:9
/31:0 /32:11
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2003 2048 MegaPath Corporation
36998 1771 1810 Sudanese Mobile Telephone (ZA
6389 1698 3028 BellSouth.net Inc.
22773 1568 2324 Cox Communications Inc.
8402 1523 1842 OJSC "Vimpelcom"
30036 1216 1376 Mediacom Communications Corp
1785 1161 2154 PaeTec Communications, Inc.
11492 1157 1194 CABLE ONE, INC.
6983 1036 1295 ITC^Deltacom
22561 980 1261 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:939 2:811 3:3 4:16 5:891 6:21
8:640 12:1869 13:3 14:920 15:9 16:3
17:23 18:19 20:36 23:665 24:1726 27:1723
31:1540 32:44 33:2 34:5 36:114 37:1922
38:916 39:4 40:188 41:3259 42:245 44:14
46:2135 47:12 49:663 50:864 52:12 54:44
55:4 57:26 58:1139 59:624 60:370 61:1575
62:1197 63:1958 64:4394 65:2315 66:4141 67:2042
68:1077 69:3277 70:916 71:505 72:2041 74:2620
75:315 76:307 77:1147 78:1030 79:692 80:1321
81:1080 82:683 83:741 84:662 85:1238 86:424
87:989 88:495 89:1617 90:146 91:5719 92:661
93:1636 94:2061 95:1473 96:536 97:349 98:1067
99:41 100:32 101:719 103:4036 105:534 106:142
107:411 108:548 109:2046 110:979 111:1214 112:614
113:819 114:774 115:1153 116:1026 117:834 118:1244
119:1304 120:322 121:900 122:1926 123:1266 124:1431
125:1455 128:630 129:242 130:359 131:661 132:354
133:159 134:318 135:72 136:281 137:317 138:351
139:143 140:205 141:356 142:550 143:414 144:504
145:96 146:590 147:426 148:783 149:356 150:151
151:476 152:413 153:208 154:79 155:521 156:317
157:421 158:294 159:832 160:359 161:464 162:1056
163:218 164:672 165:591 166:272 167:638 168:1045
169:123 170:1169 171:191 172:12 173:1620 174:687
175:567 176:1409 177:2689 178:1954 179:398 180:1607
181:953 182:1392 183:495 184:635 185:1197 186:2762
187:1443 188:2030 189:1270 190:7365 191:25 192:7046
193:5434 194:4020 195:3391 196:1350 197:1085 198:4841
199:5512 200:6078 201:2512 202:9019 203:8912 204:4509
205:2653 206:2917 207:2820 208:3947 209:3688 210:3131
211:1624 212:2216 213:1973 214:882 215:83 216:5455
217:1687 218:604 219:347 220:1268 221:593 222:334
223:577
End of report
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