[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 3 18:12:26 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 04 Jan, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 477051
Prefixes after maximum aggregation: 190299
Deaggregation factor: 2.51
Unique aggregates announced to Internet: 236730
Total ASes present in the Internet Routing Table: 45828
Prefixes per ASN: 10.41
Origin-only ASes present in the Internet Routing Table: 35488
Origin ASes announcing only one prefix: 16270
Transit ASes present in the Internet Routing Table: 5982
Transit-only ASes present in the Internet Routing Table: 177
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: 2654
Unregistered ASNs in the Routing Table: 627
Number of 32-bit ASNs allocated by the RIRs: 5637
Number of 32-bit ASNs visible in the Routing Table: 4358
Prefixes from 32-bit ASNs in the Routing Table: 13805
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: 1728
Number of addresses announced to Internet: 2661253372
Equivalent to 158 /8s, 159 /16s and 128 /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: 166280
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 113324
Total APNIC prefixes after maximum aggregation: 34178
APNIC Deaggregation factor: 3.32
Prefixes being announced from the APNIC address blocks: 115676
Unique aggregates announced from the APNIC address blocks: 48507
APNIC Region origin ASes present in the Internet Routing Table: 4870
APNIC Prefixes per ASN: 23.75
APNIC Region origin ASes announcing only one prefix: 1210
APNIC Region transit ASes present in the Internet Routing Table: 841
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: 797
Number of APNIC addresses announced to Internet: 730192064
Equivalent to 43 /8s, 133 /16s and 216 /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: 163539
Total ARIN prefixes after maximum aggregation: 81812
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 164167
Unique aggregates announced from the ARIN address blocks: 75856
ARIN Region origin ASes present in the Internet Routing Table: 15928
ARIN Prefixes per ASN: 10.31
ARIN Region origin ASes announcing only one prefix: 5986
ARIN Region transit ASes present in the Internet Routing Table: 1673
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 53
Number of ARIN addresses announced to Internet: 1074982272
Equivalent to 64 /8s, 18 /16s and 237 /24s
Percentage of available ARIN address space announced: 56.9
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: 120105
Total RIPE prefixes after maximum aggregation: 61366
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123796
Unique aggregates announced from the RIPE address blocks: 79325
RIPE Region origin ASes present in the Internet Routing Table: 17586
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8315
RIPE Region transit ASes present in the Internet Routing Table: 2840
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 53
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2550
Number of RIPE addresses announced to Internet: 654989700
Equivalent to 39 /8s, 10 /16s and 89 /24s
Percentage of available RIPE address space announced: 95.2
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, 196608-200191
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: 53686
Total LACNIC prefixes after maximum aggregation: 10068
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 59163
Unique aggregates announced from the LACNIC address blocks: 27528
LACNIC Region origin ASes present in the Internet Routing Table: 2059
LACNIC Prefixes per ASN: 28.73
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 404
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 950
Number of LACNIC addresses announced to Internet: 147393336
Equivalent to 8 /8s, 201 /16s and 11 /24s
Percentage of available LACNIC address space announced: 87.9
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: 11799
Total AfriNIC prefixes after maximum aggregation: 2616
AfriNIC Deaggregation factor: 4.51
Prefixes being announced from the AfriNIC address blocks: 12521
Unique aggregates announced from the AfriNIC address blocks: 4190
AfriNIC Region origin ASes present in the Internet Routing Table: 698
AfriNIC Prefixes per ASN: 17.94
AfriNIC Region origin ASes announcing only one prefix: 207
AfriNIC Region transit ASes present in the Internet Routing Table: 143
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: 8
Number of AfriNIC addresses announced to Internet: 48539392
Equivalent to 2 /8s, 228 /16s and 167 /24s
Percentage of available AfriNIC address space announced: 48.2
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
4766 2945 11558 952 Korea Telecom
17974 2731 902 88 PT Telekomunikasi Indonesia
7545 2121 319 112 TPG Telecom Limited
4755 1812 392 191 TATA Communications formerly
9829 1563 1255 41 National Internet Backbone
9583 1295 101 537 Sify Limited
9498 1235 309 71 BHARTI Airtel Ltd.
7552 1226 1080 13 Viettel Corporation
4808 1141 2120 348 CNCGROUP IP network China169
24560 1098 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 3029 3688 53 BellSouth.net Inc.
22773 2319 2939 138 Cox Communications Inc.
1785 2146 686 131 PaeTec Communications, Inc.
18566 2050 379 178 MegaPath Corporation
20115 1682 1665 593 Charter Communications
4323 1627 1081 411 tw telecom holdings, inc.
701 1506 11144 778 MCI Communications Services,
30036 1376 310 572 Mediacom Communications Corp
7018 1307 17746 847 AT&T Services, Inc.
6983 1294 756 580 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 1841 544 16 OJSC "Vimpelcom"
34984 1361 243 227 TELLCOM ILETISIM HIZMETLERI A
20940 1207 455 907 Akamai International B.V.
31148 1012 45 20 Freenet Ltd.
13188 922 100 26 TOV "Bank-Inform"
6849 857 361 35 JSC "Ukrtelecom"
8551 856 370 38 Bezeq International-Ltd
6830 770 2327 423 Liberty Global Operations B.V
12479 685 798 53 France Telecom Espana SA
35228 551 246 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 3438 1839 91 NET Serviços de Comunicação S
10620 2691 435 209 Telmex Colombia S.A.
18881 1790 908 20 Global Village Telecom
7303 1743 1163 230 Telecom Argentina S.A.
8151 1371 2857 429 Uninet S.A. de C.V.
11830 868 364 15 Instituto Costarricense de El
27947 858 93 89 Telconet S.A
7738 813 1562 37 Telemar Norte Leste S.A.
6503 792 434 60 Axtel, S.A.B. de C.V.
6147 780 373 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 1857 112 5 Sudanese Mobile Telephone (ZA
24863 893 338 26 Link Egypt (Link.NET)
6713 600 653 27 Office National des Postes et
8452 450 956 9 TE-AS
24835 299 144 9 Vodafone Data
3741 247 921 209 Internet Solutions
29571 240 21 14 Cote d'Ivoire Telecom
36992 226 505 27 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 3438 1839 91 NET Serviços de Comunicação S
6389 3029 3688 53 BellSouth.net Inc.
4766 2945 11558 952 Korea Telecom
17974 2731 902 88 PT Telekomunikasi Indonesia
10620 2691 435 209 Telmex Colombia S.A.
22773 2319 2939 138 Cox Communications Inc.
1785 2146 686 131 PaeTec Communications, Inc.
7545 2121 319 112 TPG Telecom Limited
18566 2050 379 178 MegaPath Corporation
36998 1857 112 5 Sudanese Mobile Telephone (ZA
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 3029 2976 BellSouth.net Inc.
17974 2731 2643 PT Telekomunikasi Indonesia
10620 2691 2482 Telmex Colombia S.A.
22773 2319 2181 Cox Communications Inc.
1785 2146 2015 PaeTec Communications, Inc.
7545 2121 2009 TPG Telecom Limited
4766 2945 1993 Korea Telecom
18566 2050 1872 MegaPath Corporation
36998 1857 1852 Sudanese Mobile Telephone (ZA
8402 1841 1825 OJSC "Vimpelcom"
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 37958 Beijing Blue I.T Technologies
23.91.112.0/21 32475 SingleHop
23.91.120.0/21 36351 SoftLayer Technologies Inc.
23.91.160.0/19 36493 FIBERNETICS CORPORATION
23.91.160.0/22 36493 FIBERNETICS CORPORATION
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 /10:31 /11:92 /12:254
/13:473 /14:937 /15:1636 /16:12856 /17:6785 /18:11435
/19:23329 /20:33183 /21:35757 /22:50722 /23:44179 /24:253010
/25:798 /26:953 /27:433 /28:47 /29:71 /30:28
/31:0 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2005 2050 MegaPath Corporation
36998 1822 1857 Sudanese Mobile Telephone (ZA
6389 1699 3029 BellSouth.net Inc.
22773 1563 2319 Cox Communications Inc.
8402 1530 1841 OJSC "Vimpelcom"
30036 1217 1376 Mediacom Communications Corp
1785 1163 2146 PaeTec Communications, Inc.
11492 1152 1189 CABLE ONE, INC.
6983 1036 1294 ITC^Deltacom
22561 977 1252 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:935 2:843 3:3 4:16 5:840 6:21
8:638 12:1872 13:3 14:898 15:9 16:3
17:20 18:24 20:36 23:653 24:1752 27:1691
31:1514 32:44 33:2 34:5 36:111 37:1944
38:917 39:5 40:182 41:3329 42:246 44:14
46:2116 47:10 49:707 50:857 52:12 54:44
55:3 56:4 57:26 58:1141 59:590 60:369
61:1501 62:1202 63:1966 64:4375 65:2334 66:4133
67:2096 68:1084 69:3307 70:907 71:510 72:2023
74:2584 75:321 76:304 77:1146 78:1028 79:682
80:1283 81:1084 82:645 83:737 84:649 85:1215
86:400 87:1012 88:523 89:1581 90:152 91:5719
92:636 93:1614 94:2112 95:1466 96:531 97:351
98:1081 99:41 100:33 101:701 103:3890 105:534
106:142 107:348 108:548 109:2036 110:978 111:1140
112:602 113:814 114:767 115:1052 116:1015 117:833
118:1222 119:1292 120:325 121:774 122:1884 123:1290
124:1398 125:1456 128:654 129:236 130:356 131:665
132:341 133:159 134:320 135:73 136:277 137:271
138:354 139:174 140:202 141:353 142:551 143:405
144:499 145:92 146:566 147:428 148:789 149:361
150:152 151:481 152:410 153:208 154:50 155:526
156:316 157:418 158:287 159:809 160:360 161:465
162:976 163:232 164:663 165:586 166:281 167:639
168:1037 169:123 170:1162 171:185 172:12 173:1692
174:670 175:551 176:1361 177:2596 178:1924 179:345
180:1604 181:931 182:1424 183:479 184:633 185:1179
186:2790 187:1463 188:1957 189:1283 190:7318 191:16
192:7048 193:5431 194:4025 195:3404 196:1346 197:1063
198:4815 199:5527 200:6057 201:2557 202:9008 203:8926
204:4537 205:2638 206:2909 207:2820 208:3955 209:3708
210:3080 211:1630 212:2170 213:1952 214:869 215:83
216:5448 217:1723 218:608 219:323 220:1271 221:587
222:349 223:565
End of report
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