Routing Table Report 08:00 +10GMT Sun 27 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464095
Prefixes after maximum aggregation: 187402
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232627
Total ASes present in the Internet Routing Table: 41101
Prefixes per ASN: 11.29
Origin-only ASes present in the Internet Routing Table: 35265
Origin ASes announcing only one prefix: 16293
Transit ASes present in the Internet Routing Table: 5828
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 740
Unregistered ASNs in the Routing Table: 204
Number of 32-bit ASNs allocated by the RIRs: 5262
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 12448
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 857
Number of addresses announced to Internet: 2672433408
Equivalent to 159 /8s, 74 /16s and 25 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
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: 161452
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107122
Total APNIC prefixes after maximum aggregation: 33041
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109864
Unique aggregates announced from the APNIC address blocks: 46830
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.69
APNIC Region origin ASes announcing only one prefix: 1233
APNIC Region transit ASes present in the Internet Routing Table: 814
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2
Number of APNIC addresses announced to Internet: 728261888
Equivalent to 43 /8s, 104 /16s and 101 /24s
Percentage of available APNIC address space announced: 85.1
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: 161313
Total ARIN prefixes after maximum aggregation: 81007
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162186
Unique aggregates announced from the ARIN address blocks: 75835
ARIN Region origin ASes present in the Internet Routing Table: 15838
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 5998
ARIN Region transit ASes present in the Internet Routing Table: 1619
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1073130752
Equivalent to 63 /8s, 246 /16s and 173 /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: 118667
Total RIPE prefixes after maximum aggregation: 60973
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122269
Unique aggregates announced from the RIPE address blocks: 78624
RIPE Region origin ASes present in the Internet Routing Table: 17495
RIPE Prefixes per ASN: 6.99
RIPE Region origin ASes announcing only one prefix: 8308
RIPE Region transit ASes present in the Internet Routing Table: 2808
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656485632
Equivalent to 39 /8s, 33 /16s and 45 /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: 51591
Total LACNIC prefixes after maximum aggregation: 9705
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 56596
Unique aggregates announced from the LACNIC address blocks: 26611
LACNIC Region origin ASes present in the Internet Routing Table: 2027
LACNIC Prefixes per ASN: 27.92
LACNIC Region origin ASes announcing only one prefix: 559
LACNIC Region transit ASes present in the Internet Routing Table: 375
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140870656
Equivalent to 8 /8s, 101 /16s and 132 /24s
Percentage of available LACNIC address space announced: 84.0
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: 11681
Total AfriNIC prefixes after maximum aggregation: 2554
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12321
Unique aggregates announced from the AfriNIC address blocks: 3998
AfriNIC Region origin ASes present in the Internet Routing Table: 665
AfriNIC Prefixes per ASN: 18.53
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 134
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1
Number of AfriNIC addresses announced to Internet: 48076800
Equivalent to 2 /8s, 221 /16s and 152 /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
17974 2716 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
4755 1796 400 183 TATA Communications formerly
9829 1535 1241 45 BSNL National Internet Backbo
9583 1242 94 511 Sify Limited
9498 1192 310 78 BHARTI Airtel Ltd.
7552 1144 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1077 2022 313 CNCGROUP IP network: China169
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3059 3689 58 BellSouth.net Inc.
22773 2187 2941 140 Cox Communications, Inc.
18566 2056 379 179 Covad Communications
1785 2035 684 130 PaeTec Communications, Inc.
20115 1682 1653 608 Charter Communications
4323 1621 1117 419 Time Warner Telecom
701 1508 11145 785 UUNET Technologies, Inc.
30036 1385 312 578 Mediacom Communications Corp
7018 1346 17795 875 AT&T WorldNet Services
6983 1293 755 578 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1759 544 17 OJSC "Vimpelcom"
34984 1361 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1097 399 837 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 884 99 58 TOV "Bank-Inform"
6830 773 2328 426 UPC Distribution Services
8551 767 370 41 Bezeq International
12479 686 800 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
35228 540 246 16 Avatar Broadband Limited
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3455 1782 89 NET Servicos de Comunicao S.A
10620 2634 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1490 844 20 Global Village Telecom
8151 1332 2833 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 817 94 93 Telconet S.A
6147 792 373 27 Telefonica Del Peru
6503 785 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
Complete listing at http://thyme.rand.apnic.net/london/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 882 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 409 956 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/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3455 1782 89 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2716 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2634 427 234 TVCABLE BOGOTA
22773 2187 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
18566 2056 379 179 Covad Communications
1785 2035 684 130 PaeTec Communications, Inc.
36998 1854 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3059 3001 BellSouth.net Inc.
17974 2716 2627 PT TELEKOMUNIKASI INDONESIA
10620 2634 2400 TVCABLE BOGOTA
22773 2187 2047 Cox Communications, Inc.
7545 2084 1973 TPG Internet Pty Ltd
1785 2035 1905 PaeTec Communications, Inc.
18566 2056 1877 Covad Communications
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1759 1742 OJSC "Vimpelcom"
4755 1796 1613 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/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
65333 PRIVATE 10.0.0.0/8 0 *
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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 IANA Private Address Space
10.1.1.48/29 0 *
100.64.0.0/10 65333 IANA Private Address Space
169.254.0.0/16 65333 IANA Private Address Space
172.16.0.0/12 65333 IANA Private Address Space
192.0.0.0/24 65333 IANA Private Address Space
192.0.2.0/24 65333 IANA Private Address Space
192.168.0.0/16 0 *
198.18.0.0/15 65333 IANA Private Address Space
198.51.100.0/24 65333 IANA Private Address Space
Complete listing at http://thyme.rand.apnic.net/london/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.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 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/london/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 /8:17 /9:11 /10:32 /11:92 /12:254
/13:478 /14:920 /15:1628 /16:12814 /17:6731 /18:11219
/19:22919 /20:32661 /21:35160 /22:49384 /23:42788 /24:246323
/25:9 /26:11 /27:12 /28:128 /29:220 /30:148
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2056 Covad Communications
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1469 1759 OJSC "Vimpelcom"
22773 1453 2187 Cox Communications, Inc.
30036 1233 1385 Mediacom Communications Corp
11492 1174 1215 Cable One
1785 1085 2035 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 963 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:854 2:840 3:3 4:16 5:1001 6:20
8:603 12:1890 13:3 14:858 15:11 16:3
17:17 18:19 20:21 23:489 24:1734 27:1599
31:1494 32:40 33:2 34:5 36:83 37:1840
38:909 39:5 40:181 41:3232 42:245 44:14
46:2012 47:9 49:680 50:827 52:12 54:39
55:5 56:2 57:29 58:1077 59:571 60:356
61:1453 62:1207 63:1974 64:4544 65:2334 66:4132
67:2119 68:1106 69:3248 70:871 71:490 72:2017
74:2561 75:328 76:307 77:1129 78:1055 79:648
80:1295 81:1016 82:664 83:635 84:580 85:1237
86:381 87:1013 88:563 89:1614 90:155 91:5667
92:616 93:1591 94:2028 95:1600 96:508 97:344
98:1046 99:39 100:30 101:357 103:3451 105:525
106:143 107:213 108:510 109:1880 110:945 111:1094
112:580 113:807 114:722 115:985 116:963 117:805
118:1173 119:1258 120:361 121:728 122:1785 123:1250
124:1307 125:1435 128:600 129:217 130:313 131:654
132:341 133:158 134:542 135:67 136:277 137:265
138:350 139:173 140:170 141:321 142:514 143:418
144:497 145:89 146:513 147:397 148:696 149:355
150:157 151:592 152:410 153:202 154:49 155:485
156:283 157:374 158:282 159:684 160:356 161:449
162:810 163:206 164:631 165:567 166:258 167:625
168:1037 169:127 170:1120 171:181 172:25 173:1606
174:671 175:492 176:1260 177:2333 178:1947 179:193
180:1573 181:779 182:1332 183:452 184:664 185:946
186:2646 187:1498 188:1838 189:1285 190:7068 192:7043
193:5402 194:4040 195:3317 196:1319 197:1016 198:4684
199:5449 200:6018 201:2513 202:8781 203:8811 204:4451
205:2609 206:2751 207:2789 208:3979 209:3628 210:2919
211:1559 212:2163 213:1988 214:892 215:91 216:5337
217:1693 218:613 219:309 220:1276 221:578 222:323
223:490
End of report