[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Aug 22 18:12:14 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 23 Aug, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 507746
Prefixes after maximum aggregation: 197121
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 249820
Total ASes present in the Internet Routing Table: 47537
Prefixes per ASN: 10.68
Origin-only ASes present in the Internet Routing Table: 36082
Origin ASes announcing only one prefix: 16389
Transit ASes present in the Internet Routing Table: 6142
Transit-only ASes present in the Internet Routing Table: 179
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: 1644
Unregistered ASNs in the Routing Table: 436
Number of 32-bit ASNs allocated by the RIRs: 7255
Number of 32-bit ASNs visible in the Routing Table: 5313
Prefixes from 32-bit ASNs in the Routing Table: 19214
Number of bogon 32-bit ASNs visible in the Routing Table: 584
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 387
Number of addresses announced to Internet: 2713759876
Equivalent to 161 /8s, 192 /16s and 176 /24s
Percentage of available address space announced: 73.3
Percentage of allocated address space announced: 73.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.8
Total number of prefixes smaller than registry allocations: 174262
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 123564
Total APNIC prefixes after maximum aggregation: 35943
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 127072
Unique aggregates announced from the APNIC address blocks: 52286
APNIC Region origin ASes present in the Internet Routing Table: 4975
APNIC Prefixes per ASN: 25.54
APNIC Region origin ASes announcing only one prefix: 1230
APNIC Region transit ASes present in the Internet Routing Table: 868
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1057
Number of APNIC addresses announced to Internet: 735421824
Equivalent to 43 /8s, 213 /16s and 165 /24s
Percentage of available APNIC address space announced: 86.0
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: 169593
Total ARIN prefixes after maximum aggregation: 84870
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 171510
Unique aggregates announced from the ARIN address blocks: 80574
ARIN Region origin ASes present in the Internet Routing Table: 16364
ARIN Prefixes per ASN: 10.48
ARIN Region origin ASes announcing only one prefix: 6119
ARIN Region transit ASes present in the Internet Routing Table: 1697
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: 174
Number of ARIN addresses announced to Internet: 1092923648
Equivalent to 65 /8s, 36 /16s and 177 /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: 124822
Total RIPE prefixes after maximum aggregation: 63061
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 129640
Unique aggregates announced from the RIPE address blocks: 82097
RIPE Region origin ASes present in the Internet Routing Table: 17709
RIPE Prefixes per ASN: 7.32
RIPE Region origin ASes announcing only one prefix: 8230
RIPE Region transit ASes present in the Internet Routing Table: 2884
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: 2738
Number of RIPE addresses announced to Internet: 658608004
Equivalent to 39 /8s, 65 /16s and 143 /24s
Percentage of available RIPE address space announced: 95.7
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: 59435
Total LACNIC prefixes after maximum aggregation: 10461
LACNIC Deaggregation factor: 5.68
Prefixes being announced from the LACNIC address blocks: 67321
Unique aggregates announced from the LACNIC address blocks: 29947
LACNIC Region origin ASes present in the Internet Routing Table: 2237
LACNIC Prefixes per ASN: 30.09
LACNIC Region origin ASes announcing only one prefix: 594
LACNIC Region transit ASes present in the Internet Routing Table: 454
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: 1295
Number of LACNIC addresses announced to Internet: 168010880
Equivalent to 10 /8s, 3 /16s and 164 /24s
Percentage of available LACNIC address space announced: 100.1
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: 11029
Total AfriNIC prefixes after maximum aggregation: 2750
AfriNIC Deaggregation factor: 4.01
Prefixes being announced from the AfriNIC address blocks: 11816
Unique aggregates announced from the AfriNIC address blocks: 4600
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 16.05
AfriNIC Region origin ASes announcing only one prefix: 216
AfriNIC Region transit ASes present in the Internet Routing Table: 162
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 49
Number of AfriNIC addresses announced to Internet: 58419200
Equivalent to 3 /8s, 123 /16s and 104 /24s
Percentage of available AfriNIC address space announced: 58.0
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 2932 11589 917 Korea Telecom
17974 2815 901 75 PT Telekomunikasi Indonesia
7545 2329 336 120 TPG Telecom Limited
4755 1891 413 191 TATA Communications formerly
9829 1655 1307 32 National Internet Backbone
9583 1315 104 537 Sify Limited
9498 1301 317 92 BHARTI Airtel Ltd.
7552 1238 1098 14 Viettel Corporation
4808 1200 2156 367 CNCGROUP IP network China169
24560 1167 404 190 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
22773 2929 2940 142 Cox Communications Inc.
6389 2898 3688 51 BellSouth.net Inc.
18566 2045 379 178 MegaPath Corporation
20115 1763 1749 536 Charter Communications
4323 1631 1073 411 tw telecom holdings, inc.
30036 1542 322 550 Mediacom Communications Corp
6983 1443 817 314 ITC^Deltacom
701 1439 11243 724 MCI Communications Services,
22561 1306 407 235 CenturyTel Internet Holdings,
7029 1259 1958 305 Windstream Communications 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
34984 1736 298 282 TELLCOM ILETISIM HIZMETLERI A
20940 1477 575 1087 Akamai International B.V.
8402 1284 544 15 OJSC "Vimpelcom"
13188 1050 97 48 TOV "Bank-Inform"
31148 1042 45 20 Freenet Ltd.
8551 987 371 41 Bezeq International-Ltd
6849 802 356 27 JSC "Ukrtelecom"
12479 776 798 58 France Telecom Espana SA
6830 772 2334 427 Liberty Global Operations B.V
9198 632 346 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 3361 2017 147 NET Serviços de Comunicação S
10620 2960 480 214 Telmex Colombia S.A.
18881 2083 1036 22 Global Village Telecom
7303 1764 1179 231 Telecom Argentina S.A.
6147 1743 374 30 Telefonica del Peru S.A.A.
8151 1466 2995 421 Uninet S.A. de C.V.
6503 1077 434 62 Axtel, S.A.B. de C.V.
7738 977 1882 41 Telemar Norte Leste S.A.
27947 901 130 51 Telconet S.A
26615 869 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 931 280 26 Link Egypt (Link.NET)
6713 669 744 37 Office National des Postes et
8452 598 958 13 TE-AS
36992 312 784 26 ETISALAT MISR
24835 307 144 9 Vodafone Data
3741 249 920 212 Internet Solutions
29571 237 22 17 Cote d'Ivoire Telecom
37054 236 19 6 Data Telecom Service
15706 185 32 6 Sudatel (Sudan Telecom Co. Lt
12258 174 26 71 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 3361 2017 147 NET Serviços de Comunicação S
10620 2960 480 214 Telmex Colombia S.A.
4766 2932 11589 917 Korea Telecom
22773 2929 2940 142 Cox Communications Inc.
6389 2898 3688 51 BellSouth.net Inc.
17974 2815 901 75 PT Telekomunikasi Indonesia
7545 2329 336 120 TPG Telecom Limited
18881 2083 1036 22 Global Village Telecom
18566 2045 379 178 MegaPath Corporation
4755 1891 413 191 TATA Communications formerly
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 2898 2847 BellSouth.net Inc.
22773 2929 2787 Cox Communications Inc.
10620 2960 2746 Telmex Colombia S.A.
17974 2815 2740 PT Telekomunikasi Indonesia
7545 2329 2209 TPG Telecom Limited
18881 2083 2061 Global Village Telecom
4766 2932 2015 Korea Telecom
18566 2045 1867 MegaPath Corporation
6147 1743 1713 Telefonica del Peru S.A.A.
4755 1891 1700 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
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
41.70.16.0/20 37098 globe internet limited
41.70.40.0/21 37098 globe internet limited
41.70.64.0/21 37098 globe internet limited
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<<
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 /12:260
/13:499 /14:981 /15:1706 /16:13021 /17:7022 /18:11724
/19:24621 /20:35264 /21:37568 /22:54097 /23:47718 /24:271038
/25:806 /26:811 /27:405 /28:13 /29:17 /30:10
/31:1 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2165 2929 Cox Communications Inc.
18566 2000 2045 MegaPath Corporation
6389 1675 2898 BellSouth.net Inc.
30036 1391 1542 Mediacom Communications Corp
6147 1316 1743 Telefonica del Peru S.A.A.
11492 1155 1206 CABLE ONE, INC.
6983 1149 1443 ITC^Deltacom
34984 1057 1736 TELLCOM ILETISIM HIZMETLERI A
10620 1036 2960 Telmex Colombia S.A.
22561 1001 1306 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1333 2:657 3:3 4:15 5:1075 6:21
8:727 12:1860 13:4 14:1110 15:15 16:2
17:40 18:21 20:51 23:906 24:1797 27:1795
31:1475 32:41 33:2 34:5 36:146 37:1853
38:967 39:11 40:210 41:2561 42:268 43:199
44:16 45:53 46:2139 47:24 49:734 50:829
52:12 54:49 55:4 56:4 57:32 58:1212
59:662 60:429 61:1681 62:1241 63:1829 64:4391
65:2317 66:4189 67:2057 68:1046 69:3361 70:902
71:459 72:2092 74:2600 75:337 76:415 77:1616
78:799 79:723 80:1315 81:1209 82:760 83:771
84:775 85:1317 86:426 87:1147 88:463 89:1798
90:135 91:5681 92:765 93:1775 94:2023 95:1598
96:513 97:361 98:1126 99:49 100:65 101:704
103:5398 104:208 105:37 106:179 107:598 108:582
109:2015 110:1027 111:1350 112:702 113:864 114:779
115:1149 116:1125 117:984 118:1524 119:1409 120:421
121:970 122:2162 123:1611 124:1423 125:1566 128:583
129:347 130:366 131:722 132:414 133:162 134:319
135:75 136:301 137:287 138:385 139:172 140:228
141:396 142:562 143:422 144:506 145:116 146:617
147:498 148:961 149:410 150:435 151:593 152:457
153:219 154:335 155:524 156:355 157:328 158:280
159:938 160:328 161:575 162:1709 163:342 164:689
165:641 166:345 167:669 168:1112 169:122 170:1385
171:182 172:64 173:1523 174:711 175:623 176:1463
177:3469 178:2067 179:770 180:1777 181:1581 182:1622
183:556 184:702 185:1963 186:2894 187:1623 188:2205
189:1460 190:7989 191:699 192:7512 193:5496 194:4060
195:3567 196:1430 197:679 198:5142 199:5487 200:6466
201:2850 202:9187 203:9017 204:4556 205:2642 206:2966
207:2892 208:3957 209:3704 210:3297 211:1837 212:2338
213:2134 214:881 215:88 216:5605 217:1682 218:615
219:408 220:1369 221:645 222:478 223:595
End of report
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