[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Feb 14 18:13:01 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 15 Feb, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 482175
Prefixes after maximum aggregation: 191598
Deaggregation factor: 2.52
Unique aggregates announced to Internet: 238436
Total ASes present in the Internet Routing Table: 46178
Prefixes per ASN: 10.44
Origin-only ASes present in the Internet Routing Table: 35615
Origin ASes announcing only one prefix: 16407
Transit ASes present in the Internet Routing Table: 6027
Transit-only ASes present in the Internet Routing Table: 169
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: 1880
Unregistered ASNs in the Routing Table: 492
Number of 32-bit ASNs allocated by the RIRs: 5941
Number of 32-bit ASNs visible in the Routing Table: 4536
Prefixes from 32-bit ASNs in the Routing Table: 14493
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 428
Number of addresses announced to Internet: 2655149028
Equivalent to 158 /8s, 66 /16s and 91 /24s
Percentage of available address space announced: 71.7
Percentage of allocated address space announced: 71.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.7
Total number of prefixes smaller than registry allocations: 168252
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 114345
Total APNIC prefixes after maximum aggregation: 34516
APNIC Deaggregation factor: 3.31
Prefixes being announced from the APNIC address blocks: 116873
Unique aggregates announced from the APNIC address blocks: 49142
APNIC Region origin ASes present in the Internet Routing Table: 4893
APNIC Prefixes per ASN: 23.89
APNIC Region origin ASes announcing only one prefix: 1223
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: 21
Number of APNIC region 32-bit ASNs visible in the Routing Table: 834
Number of APNIC addresses announced to Internet: 730899008
Equivalent to 43 /8s, 144 /16s and 162 /24s
Percentage of available APNIC address space announced: 85.4
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: 165163
Total ARIN prefixes after maximum aggregation: 82672
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 166487
Unique aggregates announced from the ARIN address blocks: 77076
ARIN Region origin ASes present in the Internet Routing Table: 16142
ARIN Prefixes per ASN: 10.31
ARIN Region origin ASes announcing only one prefix: 6101
ARIN Region transit ASes present in the Internet Routing Table: 1681
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 66
Number of ARIN addresses announced to Internet: 1064975232
Equivalent to 63 /8s, 122 /16s and 59 /24s
Percentage of available ARIN address space announced: 56.3
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, 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: 121470
Total RIPE prefixes after maximum aggregation: 61741
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 125413
Unique aggregates announced from the RIPE address blocks: 79964
RIPE Region origin ASes present in the Internet Routing Table: 17642
RIPE Prefixes per ASN: 7.11
RIPE Region origin ASes announcing only one prefix: 8328
RIPE Region transit ASes present in the Internet Routing Table: 2860
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: 2620
Number of RIPE addresses announced to Internet: 656547716
Equivalent to 39 /8s, 34 /16s and 31 /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: 54496
Total LACNIC prefixes after maximum aggregation: 9994
LACNIC Deaggregation factor: 5.45
Prefixes being announced from the LACNIC address blocks: 60180
Unique aggregates announced from the LACNIC address blocks: 27714
LACNIC Region origin ASes present in the Internet Routing Table: 2065
LACNIC Prefixes per ASN: 29.14
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 411
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1007
Number of LACNIC addresses announced to Internet: 150817696
Equivalent to 8 /8s, 253 /16s and 75 /24s
Percentage of available LACNIC address space announced: 89.9
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: 12093
Total AfriNIC prefixes after maximum aggregation: 2637
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12794
Unique aggregates announced from the AfriNIC address blocks: 4184
AfriNIC Region origin ASes present in the Internet Routing Table: 705
AfriNIC Prefixes per ASN: 18.15
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 148
Average AfriNIC Region AS path length visible: 4.8
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: 51488000
Equivalent to 3 /8s, 17 /16s and 165 /24s
Percentage of available AfriNIC address space announced: 51.1
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 2978 11564 892 Korea Telecom
17974 2756 902 88 PT Telekomunikasi Indonesia
7545 2183 320 116 TPG Telecom Limited
4755 1822 392 194 TATA Communications formerly
9829 1592 1283 39 National Internet Backbone
9583 1300 102 533 Sify Limited
7552 1232 1082 13 Viettel Corporation
4808 1169 2117 355 CNCGROUP IP network China169
24560 1104 376 172 Bharti Airtel Ltd., Telemedia
9498 1083 293 66 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
6389 3025 3688 53 BellSouth.net Inc.
22773 2323 2938 139 Cox Communications Inc.
1785 2163 691 129 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1684 1665 572 Charter Communications
4323 1620 1090 412 tw telecom holdings, inc.
701 1492 11189 761 MCI Communications Services,
30036 1359 291 572 Mediacom Communications Corp
6983 1298 772 582 ITC^Deltacom
7018 1294 18003 838 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
8402 1794 544 16 OJSC "Vimpelcom"
34984 1402 243 225 TELLCOM ILETISIM HIZMETLERI A
20940 1229 456 922 Akamai International B.V.
13188 1046 100 28 TOV "Bank-Inform"
31148 1017 45 21 Freenet Ltd.
8551 895 370 41 Bezeq International-Ltd
6849 859 362 37 JSC "Ukrtelecom"
6830 773 2331 424 Liberty Global Operations B.V
12479 710 797 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 3412 1882 80 NET Serviços de Comunicação S
10620 2738 439 199 Telmex Colombia S.A.
18881 1875 972 21 Global Village Telecom
7303 1744 1165 220 Telecom Argentina S.A.
8151 1377 2892 422 Uninet S.A. de C.V.
6503 930 434 61 Axtel, S.A.B. de C.V.
11830 869 364 15 Instituto Costarricense de El
7738 847 1626 39 Telemar Norte Leste S.A.
27947 842 93 88 Telconet S.A
3816 770 314 132 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
36998 1810 240 6 Sudanese Mobile Telephone (ZA
24863 917 380 28 Link Egypt (Link.NET)
6713 602 685 28 Office National des Postes et
8452 485 958 13 TE-AS
24835 298 144 9 Vodafone Data
36992 263 783 24 ETISALAT MISR
29571 248 22 17 Cote d'Ivoire Telecom
3741 247 921 208 Internet Solutions
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 3412 1882 80 NET Serviços de Comunicação S
6389 3025 3688 53 BellSouth.net Inc.
4766 2978 11564 892 Korea Telecom
17974 2756 902 88 PT Telekomunikasi Indonesia
10620 2738 439 199 Telmex Colombia S.A.
22773 2323 2938 139 Cox Communications Inc.
7545 2183 320 116 TPG Telecom Limited
1785 2163 691 129 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
18881 1875 972 21 Global Village Telecom
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 3025 2972 BellSouth.net Inc.
17974 2756 2668 PT Telekomunikasi Indonesia
10620 2738 2539 Telmex Colombia S.A.
22773 2323 2184 Cox Communications Inc.
4766 2978 2086 Korea Telecom
7545 2183 2067 TPG Telecom Limited
1785 2163 2034 PaeTec Communications, Inc.
18566 2048 1870 MegaPath Corporation
18881 1875 1854 Global Village Telecom
36998 1810 1804 Sudanese Mobile Telephone (ZA
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
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
41.73.18.0/24 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 /9:12 /10:30 /11:90 /12:254
/13:476 /14:953 /15:1660 /16:12874 /17:6826 /18:11521
/19:23755 /20:33449 /21:36100 /22:51557 /23:44857 /24:255554
/25:775 /26:933 /27:434 /28:12 /29:17 /30:8
/31:1 /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 1696 3025 BellSouth.net Inc.
22773 1567 2323 Cox Communications Inc.
8402 1474 1794 OJSC "Vimpelcom"
30036 1199 1359 Mediacom Communications Corp
11492 1162 1200 CABLE ONE, INC.
1785 1160 2163 PaeTec Communications, Inc.
6983 1038 1298 ITC^Deltacom
22561 990 1276 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:945 2:793 3:3 4:16 5:896 6:22
8:656 12:1857 13:3 14:950 15:9 16:3
17:24 18:21 20:36 23:679 24:1709 27:1730
31:1559 32:44 33:2 34:5 36:122 37:1923
38:928 39:4 40:192 41:3293 42:243 44:17
46:2131 47:12 49:664 50:918 52:12 54:56
55:3 57:26 58:1138 59:582 60:370 61:1512
62:1241 63:1963 64:4371 65:2253 66:4190 67:2060
68:1027 69:3303 70:858 71:472 72:2010 74:2658
75:313 76:309 77:1186 78:1041 79:696 80:1319
81:1121 82:672 83:740 84:758 85:1250 86:422
87:1032 88:520 89:1658 90:146 91:5727 92:667
93:1648 94:1976 95:1444 96:531 97:353 98:1067
99:41 100:34 101:772 103:4181 105:536 106:148
107:464 108:538 109:2084 110:968 111:1248 112:618
113:821 114:781 115:1069 116:1024 117:869 118:1262
119:1302 120:331 121:787 122:1934 123:1255 124:1395
125:1407 128:638 129:242 130:365 131:658 132:353
133:157 134:313 135:74 136:249 137:301 138:350
139:156 140:206 141:359 142:552 143:414 144:491
145:99 146:598 147:412 148:788 149:342 150:149
151:559 152:422 153:205 154:82 155:524 156:325
157:367 158:293 159:861 160:357 161:464 162:1139
163:215 164:677 165:605 166:290 167:591 168:1047
169:125 170:1183 171:196 172:15 173:1599 174:677
175:570 176:1438 177:2738 178:1975 179:450 180:1626
181:988 182:1376 183:497 184:691 185:1264 186:2798
187:1461 188:1972 189:1286 190:7436 191:72 192:7094
193:5429 194:4002 195:3364 196:1369 197:1099 198:4902
199:5572 200:6080 201:2608 202:8988 203:8902 204:4489
205:2657 206:2927 207:2869 208:3962 209:3656 210:3101
211:1663 212:2222 213:2027 214:881 215:84 216:5504
217:1700 218:570 219:323 220:1291 221:593 222:336
223:589
End of report
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