Routing Table Report 04:00 +10GMT Tue 29 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 469764
Prefixes after maximum aggregation: 188880
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 232877
Total ASes present in the Internet Routing Table: 45321
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35304
Origin ASes announcing only one prefix: 16271
Transit ASes present in the Internet Routing Table: 5948
Transit-only ASes present in the Internet Routing Table: 158
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 35
Max AS path prepend of ASN ( 55644) 31
Prefixes from unregistered ASNs in the Routing Table: 713
Unregistered ASNs in the Routing Table: 189
Number of 32-bit ASNs allocated by the RIRs: 5264
Number of 32-bit ASNs visible in the Routing Table: 4069
Prefixes from 32-bit ASNs in the Routing Table: 12565
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 850
Number of addresses announced to Internet: 2651891156
Equivalent to 158 /8s, 16 /16s and 165 /24s
Percentage of available address space announced: 71.6
Percentage of allocated address space announced: 71.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 163859
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111525
Total APNIC prefixes after maximum aggregation: 33844
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 113613
Unique aggregates announced from the APNIC address blocks: 47050
APNIC Region origin ASes present in the Internet Routing Table: 4881
APNIC Prefixes per ASN: 23.28
APNIC Region origin ASes announcing only one prefix: 1212
APNIC Region transit ASes present in the Internet Routing Table: 837
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 719
Number of APNIC addresses announced to Internet: 729447104
Equivalent to 43 /8s, 122 /16s and 122 /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: 162712
Total ARIN prefixes after maximum aggregation: 81457
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163642
Unique aggregates announced from the ARIN address blocks: 75909
ARIN Region origin ASes present in the Internet Routing Table: 15919
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6015
ARIN Region transit ASes present in the Internet Routing Table: 1668
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: 28
Number of ARIN addresses announced to Internet: 1073486720
Equivalent to 63 /8s, 252 /16s and 27 /24s
Percentage of available ARIN address space announced: 56.8
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: 118278
Total RIPE prefixes after maximum aggregation: 60908
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 121912
Unique aggregates announced from the RIPE address blocks: 78527
RIPE Region origin ASes present in the Internet Routing Table: 17500
RIPE Prefixes per ASN: 6.97
RIPE Region origin ASes announcing only one prefix: 8292
RIPE Region transit ASes present in the Internet Routing Table: 2839
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2438
Number of RIPE addresses announced to Internet: 656462436
Equivalent to 39 /8s, 32 /16s and 210 /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: 52526
Total LACNIC prefixes after maximum aggregation: 9982
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 57507
Unique aggregates announced from the LACNIC address blocks: 26683
LACNIC Region origin ASes present in the Internet Routing Table: 2038
LACNIC Prefixes per ASN: 28.22
LACNIC Region origin ASes announcing only one prefix: 554
LACNIC Region transit ASes present in the Internet Routing Table: 389
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 878
Number of LACNIC addresses announced to Internet: 141130800
Equivalent to 8 /8s, 105 /16s and 124 /24s
Percentage of available LACNIC address space announced: 84.1
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: 11586
Total AfriNIC prefixes after maximum aggregation: 2560
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12240
Unique aggregates announced from the AfriNIC address blocks: 3992
AfriNIC Region origin ASes present in the Internet Routing Table: 666
AfriNIC Prefixes per ASN: 18.38
AfriNIC Region origin ASes announcing only one prefix: 198
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 6
Number of AfriNIC addresses announced to Internet: 48038144
Equivalent to 2 /8s, 221 /16s and 1 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2938 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2097 319 112 TPG Internet Pty Ltd
4755 1782 391 187 TATA Communications formerly
9829 1558 1242 46 BSNL National Internet Backbo
9498 1208 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
4808 1164 2127 341 CNCGROUP IP network: China169
7552 1158 1080 13 Vietel Corporation
24560 1091 380 164 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 3058 3689 58 BellSouth.net Inc.
22773 2185 2941 139 Cox Communications, Inc.
18566 2059 379 180 Covad Communications
1785 2034 684 129 PaeTec Communications, Inc.
20115 1682 1653 606 Charter Communications
4323 1615 1101 417 Time Warner Telecom
701 1506 11145 781 UUNET Technologies, Inc.
30036 1390 313 575 Mediacom Communications Corp
7018 1337 17779 867 AT&T WorldNet Services
6983 1293 755 578 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 1875 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1088 394 833 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 885 99 58 TOV "Bank-Inform"
6830 770 2327 423 UPC Distribution Services
8551 753 370 41 Bezeq International
12479 687 800 49 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband Limited
35819 535 585 73 Bayanat Al-Oula For Network S
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 3485 1780 88 NET Servicos de Comunicao S.A
10620 2633 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1495 844 20 Global Village Telecom
8151 1350 2840 414 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 845 93 92 Telconet S.A
6147 794 373 27 Telefonica Del Peru
6503 786 434 61 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia 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
36998 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 226 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 32 6 Sudatel Internet Exchange Aut
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 3485 1780 88 NET Servicos de Comunicao S.A
6389 3058 3689 58 BellSouth.net Inc.
4766 2938 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2633 427 234 TVCABLE BOGOTA
22773 2185 2941 139 Cox Communications, Inc.
7545 2097 319 112 TPG Internet Pty Ltd
18566 2059 379 180 Covad Communications
1785 2034 684 129 PaeTec Communications, Inc.
8402 1875 544 17 OJSC "Vimpelcom"
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 3058 3000 BellSouth.net Inc.
17974 2717 2628 PT TELEKOMUNIKASI INDONESIA
10620 2633 2399 TVCABLE BOGOTA
22773 2185 2046 Cox Communications, Inc.
4766 2938 1995 Korea Telecom (KIX)
7545 2097 1985 TPG Internet Pty Ltd
1785 2034 1905 PaeTec Communications, Inc.
18566 2059 1879 Covad Communications
8402 1875 1858 OJSC "Vimpelcom"
36998 1854 1849 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
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
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 /12:253
/13:480 /14:917 /15:1629 /16:12844 /17:6719 /18:11285
/19:22956 /20:32726 /21:35335 /22:49885 /23:43282 /24:248809
/25:875 /26:989 /27:467 /28:50 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2059 Covad Communications
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1708 3058 BellSouth.net Inc.
8402 1576 1875 OJSC "Vimpelcom"
22773 1451 2185 Cox Communications, Inc.
30036 1238 1390 Mediacom Communications Corp
11492 1197 1238 Cable One
1785 1085 2034 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 966 1242 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:857 2:855 3:3 4:17 5:999 6:21
8:613 12:1888 13:3 14:885 15:11 16:3
17:17 18:19 20:21 23:500 24:1738 27:1602
31:1483 32:45 33:2 34:5 36:81 37:1855
38:919 39:4 40:181 41:3188 42:248 44:14
46:2023 47:9 49:681 50:839 52:12 54:39
55:5 56:2 57:26 58:1154 59:575 60:364
61:1469 62:1210 63:1980 64:4551 65:2343 66:4134
67:2118 68:1106 69:3272 70:872 71:491 72:2019
74:2564 75:328 76:307 77:1158 78:1074 79:651
80:1294 81:1018 82:651 83:635 84:586 85:1232
86:375 87:1007 88:563 89:1559 90:155 91:5659
92:620 93:1590 94:2035 95:1612 96:508 97:344
98:1046 99:42 100:31 101:618 103:3510 105:525
106:142 107:213 108:529 109:1904 110:970 111:1098
112:592 113:805 114:752 115:1043 116:985 117:839
118:1151 119:1298 120:366 121:748 122:1874 123:1252
124:1331 125:1434 128:645 129:227 130:330 131:668
132:342 133:158 134:553 135:67 136:279 137:270
138:348 139:177 140:198 141:334 142:542 143:419
144:500 145:88 146:518 147:407 148:761 149:358
150:158 151:590 152:410 153:205 154:49 155:488
156:286 157:424 158:282 159:765 160:356 161:454
162:810 163:227 164:635 165:575 166:258 167:625
168:1045 169:128 170:1128 171:180 172:25 173:1608
174:671 175:511 176:1270 177:2332 178:1930 179:192
180:1572 181:785 182:1340 183:454 184:664 185:954
186:2652 187:1460 188:1830 189:1264 190:7200 192:7087
193:5406 194:4040 195:3316 196:1323 197:1019 198:4748
199:5479 200:6093 201:2525 202:8967 203:8912 204:4527
205:2637 206:2842 207:2862 208:4013 209:3642 210:3012
211:1566 212:2134 213:1989 214:902 215:92 216:5386
217:1698 218:625 219:316 220:1280 221:566 222:325
223:505
End of report