[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 18 18:12:17 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 19 Jul, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 503174
Prefixes after maximum aggregation: 195916
Deaggregation factor: 2.57
Unique aggregates announced to Internet: 248234
Total ASes present in the Internet Routing Table: 47325
Prefixes per ASN: 10.63
Origin-only ASes present in the Internet Routing Table: 35997
Origin ASes announcing only one prefix: 16366
Transit ASes present in the Internet Routing Table: 6142
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: 1792
Unregistered ASNs in the Routing Table: 465
Number of 32-bit ASNs allocated by the RIRs: 7045
Number of 32-bit ASNs visible in the Routing Table: 5186
Prefixes from 32-bit ASNs in the Routing Table: 18527
Number of bogon 32-bit ASNs visible in the Routing Table: 358
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 383
Number of addresses announced to Internet: 2708501988
Equivalent to 161 /8s, 112 /16s and 117 /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: 172960
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 121509
Total APNIC prefixes after maximum aggregation: 35733
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 124851
Unique aggregates announced from the APNIC address blocks: 51946
APNIC Region origin ASes present in the Internet Routing Table: 4960
APNIC Prefixes per ASN: 25.17
APNIC Region origin ASes announcing only one prefix: 1222
APNIC Region transit ASes present in the Internet Routing Table: 880
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1011
Number of APNIC addresses announced to Internet: 734619008
Equivalent to 43 /8s, 201 /16s and 101 /24s
Percentage of available APNIC address space announced: 85.9
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: 169118
Total ARIN prefixes after maximum aggregation: 84233
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 170923
Unique aggregates announced from the ARIN address blocks: 79771
ARIN Region origin ASes present in the Internet Routing Table: 16337
ARIN Prefixes per ASN: 10.46
ARIN Region origin ASes announcing only one prefix: 6115
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: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 142
Number of ARIN addresses announced to Internet: 1090072608
Equivalent to 64 /8s, 249 /16s and 48 /24s
Percentage of available ARIN address space announced: 57.7
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: 124194
Total RIPE prefixes after maximum aggregation: 62926
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 129002
Unique aggregates announced from the RIPE address blocks: 81741
RIPE Region origin ASes present in the Internet Routing Table: 17754
RIPE Prefixes per ASN: 7.27
RIPE Region origin ASes announcing only one prefix: 8271
RIPE Region transit ASes present in the Internet Routing Table: 2881
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: 2728
Number of RIPE addresses announced to Internet: 658555524
Equivalent to 39 /8s, 64 /16s and 194 /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: 58677
Total LACNIC prefixes after maximum aggregation: 10276
LACNIC Deaggregation factor: 5.71
Prefixes being announced from the LACNIC address blocks: 66246
Unique aggregates announced from the LACNIC address blocks: 29968
LACNIC Region origin ASes present in the Internet Routing Table: 2161
LACNIC Prefixes per ASN: 30.66
LACNIC Region origin ASes announcing only one prefix: 547
LACNIC Region transit ASes present in the Internet Routing Table: 448
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1261
Number of LACNIC addresses announced to Internet: 167012288
Equivalent to 9 /8s, 244 /16s and 103 /24s
Percentage of available LACNIC address space announced: 99.5
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: 11043
Total AfriNIC prefixes after maximum aggregation: 2710
AfriNIC Deaggregation factor: 4.07
Prefixes being announced from the AfriNIC address blocks: 11769
Unique aggregates announced from the AfriNIC address blocks: 4476
AfriNIC Region origin ASes present in the Internet Routing Table: 724
AfriNIC Prefixes per ASN: 16.26
AfriNIC Region origin ASes announcing only one prefix: 211
AfriNIC Region transit ASes present in the Internet Routing Table: 158
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 44
Number of AfriNIC addresses announced to Internet: 57803264
Equivalent to 3 /8s, 114 /16s and 2 /24s
Percentage of available AfriNIC address space announced: 57.4
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 2963 11592 925 Korea Telecom
17974 2796 899 72 PT Telekomunikasi Indonesia
7545 2324 320 115 TPG Telecom Limited
4755 1858 392 197 TATA Communications formerly
9829 1654 1306 31 National Internet Backbone
9583 1308 103 532 Sify Limited
9498 1292 317 93 BHARTI Airtel Ltd.
7552 1224 1098 14 Viettel Corporation
4808 1204 2149 370 CNCGROUP IP network China169
24560 1151 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
6389 2948 3688 53 BellSouth.net Inc.
22773 2719 2940 141 Cox Communications Inc.
7029 2448 1905 302 Windstream Communications Inc
18566 2047 379 178 MegaPath Corporation
20115 1735 1724 565 Charter Communications
4323 1628 1072 410 tw telecom holdings, inc.
30036 1460 310 623 Mediacom Communications Corp
701 1438 11187 726 MCI Communications Services,
6983 1387 817 312 ITC^Deltacom
22561 1306 406 233 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 1718 265 276 TELLCOM ILETISIM HIZMETLERI A
20940 1430 555 1054 Akamai International B.V.
8402 1300 544 15 OJSC "Vimpelcom"
31148 1042 45 20 Freenet Ltd.
13188 1031 100 28 TOV "Bank-Inform"
8551 996 371 42 Bezeq International-Ltd
6849 818 356 26 JSC "Ukrtelecom"
6830 775 2335 431 Liberty Global Operations B.V
12479 743 796 59 France Telecom Espana SA
9198 588 346 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 3822 2031 102 NET Serviços de Comunicação S
10620 2917 472 222 Telmex Colombia S.A.
18881 2090 1036 22 Global Village Telecom
7303 1769 1180 231 Telecom Argentina S.A.
8151 1436 2967 405 Uninet S.A. de C.V.
6503 1118 434 61 Axtel, S.A.B. de C.V.
6147 1089 373 28 Telefonica del Peru S.A.A.
7738 977 1882 41 Telemar Norte Leste S.A.
27947 895 130 51 Telconet S.A
26615 860 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 914 280 26 Link Egypt (Link.NET)
6713 673 744 37 Office National des Postes et
8452 592 958 13 TE-AS
36992 311 784 26 ETISALAT MISR
24835 306 144 9 Vodafone Data
3741 250 921 213 Internet Solutions
29571 233 22 17 Cote d'Ivoire Telecom
37054 226 19 6 Data Telecom Service
15706 187 32 6 Sudatel (Sudan Telecom Co. Lt
12258 176 27 67 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 3822 2031 102 NET Serviços de Comunicação S
4766 2963 11592 925 Korea Telecom
6389 2948 3688 53 BellSouth.net Inc.
10620 2917 472 222 Telmex Colombia S.A.
17974 2796 899 72 PT Telekomunikasi Indonesia
22773 2719 2940 141 Cox Communications Inc.
7029 2448 1905 302 Windstream Communications Inc
7545 2324 320 115 TPG Telecom Limited
18881 2090 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
6389 2948 2895 BellSouth.net Inc.
17974 2796 2724 PT Telekomunikasi Indonesia
10620 2917 2695 Telmex Colombia S.A.
22773 2719 2578 Cox Communications Inc.
7545 2324 2209 TPG Telecom Limited
7029 2448 2146 Windstream Communications Inc
18881 2090 2068 Global Village Telecom
4766 2963 2038 Korea Telecom
18566 2047 1869 MegaPath Corporation
4755 1858 1661 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
65456 PRIVATE 5.109.32.0/19 23456 32bit Transition AS
65456 PRIVATE 5.109.96.0/19 23456 32bit Transition AS
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
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
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<<
41.76.48.0/21 36969 Malawi Telecommunications Lim
41.78.120.0/23 22351 INTELSAT GLOBAL SERVICE CORPO
41.78.180.0/23 37265 Neural Telecommunications Afr
41.78.236.0/24 37290 >>UNKNOWN<<
41.78.237.0/24 37290 >>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
/13:498 /14:980 /15:1702 /16:13019 /17:7007 /18:11693
/19:24692 /20:35045 /21:37458 /22:54020 /23:47374 /24:267061
/25:835 /26:932 /27:394 /28:13 /29:18 /30:10
/31:1 /32:13
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2002 2047 MegaPath Corporation
22773 1962 2719 Cox Communications Inc.
6389 1693 2948 BellSouth.net Inc.
30036 1304 1460 Mediacom Communications Corp
7029 1274 2448 Windstream Communications Inc
11492 1179 1231 CABLE ONE, INC.
6983 1095 1387 ITC^Deltacom
34984 1046 1718 TELLCOM ILETISIM HIZMETLERI A
10620 1024 2917 Telmex Colombia S.A.
22561 1003 1306 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1228 2:655 3:3 4:15 5:1038 6:19
8:713 12:1856 13:4 14:1100 15:15 16:2
17:40 18:21 20:37 23:897 24:1753 27:1772
31:1505 32:41 33:2 34:5 36:139 37:1818
38:951 39:7 40:207 41:2647 42:256 43:124
44:13 45:42 46:2084 47:24 49:725 50:813
52:12 54:46 55:5 56:3 57:29 58:1220
59:616 60:414 61:1581 62:1246 63:1857 64:4366
65:2291 66:4154 67:2045 68:1046 69:3341 70:888
71:440 72:2005 74:2627 75:322 76:411 77:1657
78:807 79:712 80:1308 81:1206 82:768 83:771
84:773 85:1318 86:426 87:1139 88:465 89:1783
90:138 91:5719 92:729 93:1753 94:2016 95:1607
96:497 97:360 98:1091 99:49 100:65 101:946
103:5306 104:61 105:34 106:181 107:573 108:592
109:2022 110:997 111:1346 112:672 113:866 114:797
115:1132 116:1084 117:973 118:1496 119:1407 120:406
121:846 122:2118 123:1428 124:1417 125:1543 128:589
129:338 130:359 131:670 132:416 133:162 134:320
135:74 136:299 137:287 138:365 139:166 140:225
141:388 142:568 143:437 144:504 145:107 146:651
147:488 148:895 149:387 150:347 151:712 152:450
153:220 154:312 155:516 156:355 157:340 158:250
159:913 160:333 161:566 162:1609 163:318 164:689
165:621 166:291 167:642 168:1063 169:124 170:1361
171:183 172:65 173:1503 174:715 175:606 176:1400
177:3266 178:2070 179:788 180:1775 181:1306 182:1602
183:529 184:723 185:1884 186:2909 187:1612 188:2144
189:1483 190:7677 191:660 192:7414 193:5507 194:4043
195:3531 196:1419 197:674 198:5109 199:5535 200:6333
201:2694 202:9147 203:8969 204:4591 205:2628 206:2969
207:2961 208:3956 209:3740 210:3128 211:1722 212:2313
213:2113 214:878 215:87 216:5550 217:1687 218:608
219:330 220:1284 221:628 222:357 223:593
End of report
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