[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 8 18:11:13 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 09 Aug, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 506245
Prefixes after maximum aggregation: 196119
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 248983
Total ASes present in the Internet Routing Table: 47413
Prefixes per ASN: 10.68
Origin-only ASes present in the Internet Routing Table: 36034
Origin ASes announcing only one prefix: 16386
Transit ASes present in the Internet Routing Table: 6125
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: 1680
Unregistered ASNs in the Routing Table: 441
Number of 32-bit ASNs allocated by the RIRs: 7148
Number of 32-bit ASNs visible in the Routing Table: 5254
Prefixes from 32-bit ASNs in the Routing Table: 19053
Number of bogon 32-bit ASNs visible in the Routing Table: 514
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 438
Number of addresses announced to Internet: 2711353476
Equivalent to 161 /8s, 155 /16s and 248 /24s
Percentage of available address space announced: 73.2
Percentage of allocated address space announced: 73.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.7
Total number of prefixes smaller than registry allocations: 174121
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 122248
Total APNIC prefixes after maximum aggregation: 35814
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 125678
Unique aggregates announced from the APNIC address blocks: 51910
APNIC Region origin ASes present in the Internet Routing Table: 4964
APNIC Prefixes per ASN: 25.32
APNIC Region origin ASes announcing only one prefix: 1231
APNIC Region transit ASes present in the Internet Routing Table: 872
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1033
Number of APNIC addresses announced to Internet: 734075264
Equivalent to 43 /8s, 193 /16s and 25 /24s
Percentage of available APNIC address space announced: 85.8
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: 170510
Total ARIN prefixes after maximum aggregation: 84267
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 172356
Unique aggregates announced from the ARIN address blocks: 80407
ARIN Region origin ASes present in the Internet Routing Table: 16357
ARIN Prefixes per ASN: 10.54
ARIN Region origin ASes announcing only one prefix: 6130
ARIN Region transit ASes present in the Internet Routing Table: 1690
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 162
Number of ARIN addresses announced to Internet: 1091961344
Equivalent to 65 /8s, 22 /16s and 2 /24s
Percentage of available ARIN address space announced: 57.8
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: 124574
Total RIPE prefixes after maximum aggregation: 62986
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 129384
Unique aggregates announced from the RIPE address blocks: 81972
RIPE Region origin ASes present in the Internet Routing Table: 17700
RIPE Prefixes per ASN: 7.31
RIPE Region origin ASes announcing only one prefix: 8244
RIPE Region transit ASes present in the Internet Routing Table: 2871
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: 2727
Number of RIPE addresses announced to Internet: 658697860
Equivalent to 39 /8s, 66 /16s and 238 /24s
Percentage of available RIPE address space announced: 95.8
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, 196608-202239
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: 58756
Total LACNIC prefixes after maximum aggregation: 10293
LACNIC Deaggregation factor: 5.71
Prefixes being announced from the LACNIC address blocks: 66605
Unique aggregates announced from the LACNIC address blocks: 29814
LACNIC Region origin ASes present in the Internet Routing Table: 2203
LACNIC Prefixes per ASN: 30.23
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 451
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of LACNIC addresses announced to Internet: 167756416
Equivalent to 9 /8s, 255 /16s and 194 /24s
Percentage of available LACNIC address space announced: 100.0
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: 11017
Total AfriNIC prefixes after maximum aggregation: 2722
AfriNIC Deaggregation factor: 4.05
Prefixes being announced from the AfriNIC address blocks: 11784
Unique aggregates announced from the AfriNIC address blocks: 4527
AfriNIC Region origin ASes present in the Internet Routing Table: 733
AfriNIC Prefixes per ASN: 16.08
AfriNIC Region origin ASes announcing only one prefix: 214
AfriNIC Region transit ASes present in the Internet Routing Table: 161
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 50
Number of AfriNIC addresses announced to Internet: 58436864
Equivalent to 3 /8s, 123 /16s and 173 /24s
Percentage of available AfriNIC address space announced: 58.1
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 2951 11590 922 Korea Telecom
17974 2802 899 72 PT Telekomunikasi Indonesia
7545 2332 320 118 TPG Telecom Limited
4755 1868 392 200 TATA Communications formerly
9829 1643 1306 31 National Internet Backbone
9583 1315 104 537 Sify Limited
9498 1299 317 92 BHARTI Airtel Ltd.
7552 1239 1098 14 Viettel Corporation
4808 1213 2155 372 CNCGROUP IP network China169
24560 1159 399 191 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
7029 3211 1905 304 Windstream Communications Inc
6389 2938 3688 51 BellSouth.net Inc.
22773 2735 2940 141 Cox Communications Inc.
18566 2047 379 178 MegaPath Corporation
20115 1749 1735 537 Charter Communications
4323 1633 1072 410 tw telecom holdings, inc.
30036 1560 333 483 Mediacom Communications Corp
701 1442 11227 726 MCI Communications Services,
6983 1416 817 314 ITC^Deltacom
22561 1303 406 234 CenturyTel Internet Holdings,
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
34984 1725 265 278 TELLCOM ILETISIM HIZMETLERI A
20940 1455 567 1071 Akamai International B.V.
8402 1327 544 15 OJSC "Vimpelcom"
13188 1050 97 48 TOV "Bank-Inform"
31148 1043 45 21 Freenet Ltd.
8551 996 371 42 Bezeq International-Ltd
6849 792 356 27 JSC "Ukrtelecom"
12479 773 798 58 France Telecom Espana SA
6830 772 2334 427 Liberty Global Operations B.V
9198 602 346 28 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
28573 3725 2027 106 NET Serviços de Comunicação S
10620 2937 476 224 Telmex Colombia S.A.
18881 2068 1036 22 Global Village Telecom
7303 1771 1180 232 Telecom Argentina S.A.
8151 1444 2989 408 Uninet S.A. de C.V.
6503 1091 434 62 Axtel, S.A.B. de C.V.
6147 1047 373 28 Telefonica del Peru S.A.A.
7738 977 1882 41 Telemar Norte Leste S.A.
27947 897 130 51 Telconet S.A
26615 868 2325 35 Tim Celular S.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
24863 932 280 26 Link Egypt (Link.NET)
6713 669 744 37 Office National des Postes et
8452 595 958 13 TE-AS
24835 305 144 9 Vodafone Data
36992 298 784 26 ETISALAT MISR
3741 249 920 212 Internet Solutions
37054 239 19 6 Data Telecom Service
29571 236 22 17 Cote d'Ivoire Telecom
15706 187 32 6 Sudatel (Sudan Telecom Co. Lt
12258 175 26 72 MWEB CONNECT (PROPRIETARY) LI
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 3725 2027 106 NET Serviços de Comunicação S
7029 3211 1905 304 Windstream Communications Inc
4766 2951 11590 922 Korea Telecom
6389 2938 3688 51 BellSouth.net Inc.
10620 2937 476 224 Telmex Colombia S.A.
17974 2802 899 72 PT Telekomunikasi Indonesia
22773 2735 2940 141 Cox Communications Inc.
7545 2332 320 118 TPG Telecom Limited
18881 2068 1036 22 Global Village Telecom
18566 2047 379 178 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 3211 2907 Windstream Communications Inc
6389 2938 2887 BellSouth.net Inc.
17974 2802 2730 PT Telekomunikasi Indonesia
10620 2937 2713 Telmex Colombia S.A.
22773 2735 2594 Cox Communications Inc.
7545 2332 2214 TPG Telecom Limited
18881 2068 2046 Global Village Telecom
4766 2951 2029 Korea Telecom
18566 2047 1869 MegaPath Corporation
4755 1868 1668 TATA Communications formerly
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 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
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.240.0/20 40430 colo4jax, LLC
23.226.240.0/21 40430 colo4jax, LLC
23.226.248.0/21 40430 colo4jax, LLC
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
41.70.8.0/21 37098 globe internet limited
41.70.16.0/20 37098 globe internet limited
41.70.40.0/21 37098 globe internet limited
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 /10:30 /11:91 /12:259
/13:497 /14:982 /15:1704 /16:13041 /17:7020 /18:11692
/19:24686 /20:35123 /21:37523 /22:54567 /23:47754 /24:269179
/25:800 /26:811 /27:402 /28:12 /29:17 /30:10
/31:1 /32:15
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
22773 1978 2735 Cox Communications Inc.
7029 1786 3211 Windstream Communications Inc
6389 1691 2938 BellSouth.net Inc.
30036 1401 1560 Mediacom Communications Corp
11492 1194 1243 CABLE ONE, INC.
6983 1122 1416 ITC^Deltacom
34984 1052 1725 TELLCOM ILETISIM HIZMETLERI A
10620 1029 2937 Telmex Colombia S.A.
8402 1028 1327 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1309 2:658 3:3 4:15 5:1053 6:21
8:722 12:1855 13:4 14:1107 15:15 16:2
17:40 18:21 20:53 23:892 24:1764 27:1775
31:1472 32:41 33:2 34:5 36:141 37:1854
38:964 39:7 40:210 41:2581 42:259 43:170
44:17 45:50 46:2157 47:24 49:732 50:836
52:12 54:48 55:2 56:4 57:31 58:1224
59:618 60:427 61:1592 62:1239 63:1866 64:4404
65:2325 66:4234 67:2068 68:1048 69:3338 70:894
71:464 72:2021 74:2637 75:337 76:416 77:1662
78:793 79:711 80:1312 81:1211 82:759 83:767
84:768 85:1320 86:416 87:1144 88:468 89:1778
90:137 91:5703 92:759 93:1768 94:2016 95:1610
96:508 97:363 98:1113 99:49 100:65 101:707
103:5360 104:187 105:36 106:178 107:596 108:585
109:2011 110:1021 111:1340 112:676 113:859 114:783
115:1110 116:1120 117:992 118:1514 119:1419 120:420
121:858 122:2164 123:1538 124:1435 125:1565 128:584
129:336 130:363 131:661 132:405 133:162 134:323
135:76 136:299 137:286 138:371 139:170 140:207
141:390 142:562 143:419 144:506 145:115 146:649
147:498 148:972 149:405 150:420 151:604 152:450
153:219 154:320 155:517 156:354 157:344 158:272
159:936 160:327 161:570 162:1687 163:342 164:694
165:638 166:345 167:668 168:1116 169:124 170:1379
171:181 172:65 173:1539 174:707 175:606 176:1495
177:3488 178:2072 179:773 180:1781 181:1336 182:1611
183:540 184:704 185:1921 186:2924 187:1634 188:2157
189:1458 190:7624 191:686 192:7472 193:5499 194:4056
195:3555 196:1439 197:678 198:5109 199:5522 200:6306
201:2771 202:9168 203:9016 204:4535 205:2669 206:2967
207:2958 208:3974 209:3774 210:3169 211:1798 212:2339
213:2116 214:860 215:87 216:5716 217:1681 218:614
219:331 220:1283 221:625 222:360 223:591
End of report
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