* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 11 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464766
Prefixes after maximum aggregation: 187716
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232523
Total ASes present in the Internet Routing Table: 41040
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 35230
Origin ASes announcing only one prefix: 16298
Transit ASes present in the Internet Routing Table: 5803
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 683
Unregistered ASNs in the Routing Table: 324
Number of 32-bit ASNs allocated by the RIRs: 5172
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12297
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 721
Number of addresses announced to Internet: 2668744960
Equivalent to 159 /8s, 17 /16s and 209 /24s
Percentage of available address space announced: 72.1
Percentage of allocated address space announced: 72.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 162054
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107405
Total APNIC prefixes after maximum aggregation: 33044
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110090
Unique aggregates announced from the APNIC address blocks: 46674
APNIC Region origin ASes present in the Internet Routing Table: 4843
APNIC Prefixes per ASN: 22.73
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 806
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 727148288
Equivalent to 43 /8s, 87 /16s and 103 /24s
Percentage of available APNIC address space announced: 85.0
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: 161571
Total ARIN prefixes after maximum aggregation: 81101
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162130
Unique aggregates announced from the ARIN address blocks: 75931
ARIN Region origin ASes present in the Internet Routing Table: 15829
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6012
ARIN Region transit ASes present in the Internet Routing Table: 1610
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: 1072743168
Equivalent to 63 /8s, 240 /16s and 195 /24s
Percentage of available ARIN address space announced: 56.7
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: 119400
Total RIPE prefixes after maximum aggregation: 61250
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122977
Unique aggregates announced from the RIPE address blocks: 78981
RIPE Region origin ASes present in the Internet Routing Table: 17465
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8281
RIPE Region transit ASes present in the Internet Routing Table: 2798
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656520960
Equivalent to 39 /8s, 33 /16s and 183 /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: 51523
Total LACNIC prefixes after maximum aggregation: 9712
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 56488
Unique aggregates announced from the LACNIC address blocks: 26361
LACNIC Region origin ASes present in the Internet Routing Table: 2032
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 374
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140307456
Equivalent to 8 /8s, 92 /16s and 236 /24s
Percentage of available LACNIC address space announced: 83.6
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: 11720
Total AfriNIC prefixes after maximum aggregation: 2516
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 12358
Unique aggregates announced from the AfriNIC address blocks: 3968
AfriNIC Region origin ASes present in the Internet Routing Table: 654
AfriNIC Prefixes per ASN: 18.90
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 132
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: 47725056
Equivalent to 2 /8s, 216 /16s and 58 /24s
Percentage of available AfriNIC address space announced: 47.4
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
17974 2712 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2139 11555 643 Korea Telecom (KIX)
7545 2080 321 113 TPG Internet Pty Ltd
4755 1810 403 191 TATA Communications formerly
9829 1556 1241 43 BSNL National Internet Backbo
9583 1236 93 511 Sify Limited
9498 1206 310 78 BHARTI Airtel Ltd.
7552 1149 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1074 2020 311 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 3060 3689 59 BellSouth.net Inc.
22773 2170 2943 141 Cox Communications, Inc.
18566 2063 382 183 Covad Communications
1785 2018 679 125 PaeTec Communications, Inc.
20115 1678 1651 615 Charter Communications
4323 1637 1120 426 Time Warner Telecom
701 1516 11148 791 UUNET Technologies, Inc.
7018 1342 17531 868 AT&T WorldNet Services
30036 1332 300 635 Mediacom Communications Corp
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 1800 544 17 OJSC "Vimpelcom"
34984 1364 244 221 TELLCOM ILETISIM HIZMETLERI A
20940 1060 393 812 Akamai Technologies European
31148 991 44 19 FreeNet ISP
6830 896 2365 429 UPC Distribution Services
13188 850 99 62 TOV "Bank-Inform"
8551 764 370 41 Bezeq International
12479 685 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 539 246 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 3387 1752 90 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1462 844 20 Global Village Telecom
8151 1325 2813 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 857 434 64 AVANTEL, S.A.
27947 814 94 92 Telconet S.A
6147 799 373 27 Telefonica Del Peru
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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 880 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 422 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 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 3387 1752 90 NET Servicos de Comunicao S.A
6389 3060 3689 59 BellSouth.net Inc.
17974 2712 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2170 2943 141 Cox Communications, Inc.
4766 2139 11555 643 Korea Telecom (KIX)
7545 2080 321 113 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
1785 2018 679 125 PaeTec Communications, Inc.
36998 1864 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 3060 3001 BellSouth.net Inc.
17974 2712 2622 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2170 2029 Cox Communications, Inc.
7545 2080 1967 TPG Internet Pty Ltd
1785 2018 1893 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1800 1783 OJSC "Vimpelcom"
4755 1810 1619 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
60687 UNALLOCATED 5.153.104.0/21 2119 Telenor Internet Acc
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 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,
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 /12:252
/13:479 /14:913 /15:1627 /16:12794 /17:6718 /18:11173
/19:22956 /20:32626 /21:35198 /22:49376 /23:42634 /24:247220
/25:9 /26:11 /27:10 /28:128 /29:215 /30:139
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3060 BellSouth.net Inc.
8402 1522 1800 OJSC "Vimpelcom"
22773 1441 2170 Cox Communications, Inc.
30036 1189 1332 Mediacom Communications Corp
11492 1175 1216 Cable One
1785 1084 2018 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 962 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:833 2:881 3:3 4:16 5:995 6:18
8:604 12:1894 13:3 14:851 15:11 16:3
17:16 18:19 20:21 23:462 24:1709 27:1600
31:1473 32:40 33:2 34:5 36:81 37:1818
38:906 39:3 40:181 41:3254 42:248 44:14
46:2002 47:7 49:687 50:798 52:12 54:39
55:3 56:2 57:29 58:1087 59:632 60:357
61:1488 62:1189 63:1977 64:4547 65:2346 66:4172
67:2110 68:1098 69:3280 70:871 71:496 72:2024
74:2567 75:326 76:306 77:1132 78:1084 79:642
80:1347 81:1021 82:631 83:588 84:596 85:1256
86:453 87:1027 88:555 89:1739 90:155 91:5643
92:606 93:1614 94:2029 95:1647 96:518 97:342
98:1046 99:40 100:30 101:361 103:3359 105:522
106:143 107:212 108:493 109:1891 110:955 111:1129
112:576 113:787 114:703 115:1041 116:977 117:789
118:1170 119:1258 120:368 121:850 122:1793 123:1217
124:1341 125:1427 128:584 129:216 130:310 131:662
132:342 133:158 134:536 135:67 136:274 137:237
138:348 139:179 140:169 141:310 142:530 143:411
144:498 145:96 146:513 147:392 148:693 149:351
150:156 151:614 152:413 153:201 154:48 155:483
156:281 157:373 158:284 159:677 160:350 161:447
162:767 163:206 164:630 165:563 166:258 167:622
168:1038 169:126 170:1086 171:202 172:25 173:1619
174:672 175:494 176:1220 177:2370 178:1920 179:173
180:1565 181:758 182:1339 183:475 184:652 185:934
186:2571 187:1476 188:1876 189:1371 190:7157 192:6993
193:5635 194:4076 195:3341 196:1322 197:1064 198:4669
199:5439 200:6083 201:2538 202:8776 203:8835 204:4446
205:2608 206:2754 207:2852 208:3995 209:3625 210:2852
211:1559 212:2226 213:2020 214:904 215:99 216:5341
217:1689 218:611 219:328 220:1273 221:566 222:324
223:490
End of report
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