Routing Table Report 04:00 +10GMT Fri 01 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 471194
Prefixes after maximum aggregation: 189246
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 233621
Total ASes present in the Internet Routing Table: 45366
Prefixes per ASN: 10.39
Origin-only ASes present in the Internet Routing Table: 35322
Origin ASes announcing only one prefix: 16272
Transit ASes present in the Internet Routing Table: 5954
Transit-only ASes present in the Internet Routing Table: 162
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: 716
Unregistered ASNs in the Routing Table: 192
Number of 32-bit ASNs allocated by the RIRs: 5276
Number of 32-bit ASNs visible in the Routing Table: 4090
Prefixes from 32-bit ASNs in the Routing Table: 12651
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 905
Number of addresses announced to Internet: 2653714388
Equivalent to 158 /8s, 44 /16s and 119 /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: 95.1
Total number of prefixes smaller than registry allocations: 164869
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111525
Total APNIC prefixes after maximum aggregation: 33879
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113644
Unique aggregates announced from the APNIC address blocks: 47268
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: 1213
APNIC Region transit ASes present in the Internet Routing Table: 836
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: 725
Number of APNIC addresses announced to Internet: 729761472
Equivalent to 43 /8s, 127 /16s and 70 /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: 162879
Total ARIN prefixes after maximum aggregation: 81520
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163779
Unique aggregates announced from the ARIN address blocks: 75931
ARIN Region origin ASes present in the Internet Routing Table: 15921
ARIN Prefixes per ASN: 10.29
ARIN Region origin ASes announcing only one prefix: 6011
ARIN Region transit ASes present in the Internet Routing Table: 1671
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: 32
Number of ARIN addresses announced to Internet: 1073566336
Equivalent to 63 /8s, 253 /16s and 82 /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: 119323
Total RIPE prefixes after maximum aggregation: 61159
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122951
Unique aggregates announced from the RIPE address blocks: 78910
RIPE Region origin ASes present in the Internet Routing Table: 17515
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2841
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: 2450
Number of RIPE addresses announced to Internet: 656595556
Equivalent to 39 /8s, 34 /16s and 218 /24s
Percentage of available RIPE address space announced: 95.5
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: 52600
Total LACNIC prefixes after maximum aggregation: 9985
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 57622
Unique aggregates announced from the LACNIC address blocks: 26768
LACNIC Region origin ASes present in the Internet Routing Table: 2036
LACNIC Prefixes per ASN: 28.30
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 386
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: 877
Number of LACNIC addresses announced to Internet: 142298160
Equivalent to 8 /8s, 123 /16s and 76 /24s
Percentage of available LACNIC address space announced: 84.8
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: 11639
Total AfriNIC prefixes after maximum aggregation: 2570
AfriNIC Deaggregation factor: 4.53
Prefixes being announced from the AfriNIC address blocks: 12293
Unique aggregates announced from the AfriNIC address blocks: 4000
AfriNIC Region origin ASes present in the Internet Routing Table: 669
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: 137
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: 48082432
Equivalent to 2 /8s, 221 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2937 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
7545 2101 319 111 TPG Internet Pty Ltd
4755 1785 391 188 TATA Communications formerly
9829 1553 1242 48 BSNL National Internet Backbo
9498 1211 309 74 BHARTI Airtel Ltd.
9583 1187 90 513 Sify Limited
4808 1167 2128 342 CNCGROUP IP network: China169
7552 1158 1080 13 Vietel Corporation
24560 1092 380 165 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 3056 3688 56 BellSouth.net Inc.
22773 2188 2939 138 Cox Communications, Inc.
18566 2058 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1623 1102 420 Time Warner Telecom
701 1507 11145 782 MCI Communications Services,
30036 1386 312 576 Mediacom Communications Corp
7018 1338 17779 870 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 1871 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1103 401 844 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 888 99 49 TOV "Bank-Inform"
6849 861 356 30 JSC UKRTELECOM,
6830 771 2327 423 UPC Distribution Services
8551 759 370 41 Bezeq International
12479 675 798 55 Uni2 Autonomous System
35228 542 246 16 Avatar Broadband 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 3436 1781 85 NET Servicos de Comunicao S.A
10620 2636 427 234 TVCABLE BOGOTA
7303 1723 1144 232 Telecom Argentina Stet-France
18881 1526 844 20 Global Village Telecom
8151 1347 2840 411 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 843 93 91 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 788 434 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 884 338 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 227 501 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 3436 1781 85 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
4766 2937 11558 943 Korea Telecom (KIX)
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2636 427 234 TVCABLE BOGOTA
22773 2188 2939 138 Cox Communications, Inc.
7545 2101 319 111 TPG Internet Pty Ltd
18566 2058 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
8402 1871 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 3056 3000 BellSouth.net Inc.
17974 2717 2628 PT TELEKOMUNIKASI INDONESIA
10620 2636 2402 TVCABLE BOGOTA
22773 2188 2050 Cox Communications, Inc.
4766 2937 1994 Korea Telecom (KIX)
7545 2101 1990 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2058 1879 MegaPath Corporation
8402 1871 1854 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 Communications
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
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
23.91.14.0/24 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
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 /12:254
/13:474 /14:920 /15:1628 /16:12843 /17:6742 /18:11299
/19:22978 /20:32680 /21:35489 /22:50161 /23:43705 /24:249430
/25:828 /26:982 /27:467 /28:50 /29:79 /30:21
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2012 2058 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1570 1871 OJSC "Vimpelcom"
22773 1454 2188 Cox Communications, Inc.
30036 1234 1386 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 965 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:879 2:860 3:3 4:17 5:1007 6:21
8:615 12:1892 13:3 14:890 15:11 16:3
17:17 18:19 20:21 23:510 24:1741 27:1607
31:1485 32:45 33:2 34:5 36:80 37:1883
38:919 39:4 40:181 41:3201 42:247 44:14
46:2027 47:9 49:681 50:842 52:12 54:42
55:3 56:2 57:26 58:1153 59:575 60:373
61:1471 62:1209 63:1986 64:4565 65:2348 66:4140
67:2099 68:1103 69:3285 70:873 71:489 72:1999
74:2559 75:328 76:306 77:1163 78:1066 79:648
80:1291 81:1018 82:670 83:632 84:587 85:1246
86:420 87:1007 88:563 89:1601 90:150 91:5665
92:612 93:1596 94:2010 95:1602 96:509 97:346
98:1044 99:42 100:31 101:616 103:3509 105:528
106:142 107:214 108:533 109:1914 110:958 111:1103
112:593 113:812 114:750 115:1054 116:998 117:837
118:1165 119:1293 120:367 121:750 122:1872 123:1254
124:1353 125:1435 128:645 129:229 130:329 131:666
132:348 133:158 134:554 135:67 136:279 137:268
138:350 139:177 140:193 141:336 142:540 143:422
144:494 145:87 146:522 147:402 148:775 149:359
150:158 151:586 152:411 153:204 154:51 155:490
156:286 157:424 158:282 159:771 160:359 161:458
162:820 163:226 164:635 165:575 166:258 167:625
168:1046 169:127 170:1131 171:182 172:25 173:1607
174:687 175:512 176:1270 177:2337 178:1941 179:195
180:1586 181:784 182:1342 183:456 184:661 185:986
186:2678 187:1475 188:1846 189:1272 190:7255 192:7091
193:5412 194:4034 195:3349 196:1323 197:1017 198:4748
199:5472 200:6092 201:2530 202:8966 203:8925 204:4530
205:2645 206:2845 207:2862 208:4018 209:3645 210:3018
211:1569 212:2143 213:1995 214:906 215:92 216:5411
217:1687 218:625 219:321 220:1280 221:567 222:326
223:510
End of report