* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 06 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464160
Prefixes after maximum aggregation: 187627
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232353
Total ASes present in the Internet Routing Table: 41022
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35221
Origin ASes announcing only one prefix: 16296
Transit ASes present in the Internet Routing Table: 5794
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 622
Unregistered ASNs in the Routing Table: 253
Number of 32-bit ASNs allocated by the RIRs: 5150
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12178
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 680
Number of addresses announced to Internet: 2668603136
Equivalent to 159 /8s, 15 /16s and 167 /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: 161881
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107256
Total APNIC prefixes after maximum aggregation: 33036
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109927
Unique aggregates announced from the APNIC address blocks: 46697
APNIC Region origin ASes present in the Internet Routing Table: 4841
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 804
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 727101696
Equivalent to 43 /8s, 86 /16s and 177 /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: 161448
Total ARIN prefixes after maximum aggregation: 81064
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162031
Unique aggregates announced from the ARIN address blocks: 75866
ARIN Region origin ASes present in the Internet Routing Table: 15833
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6016
ARIN Region transit ASes present in the Internet Routing Table: 1604
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: 1072985088
Equivalent to 63 /8s, 244 /16s and 116 /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: 119254
Total RIPE prefixes after maximum aggregation: 61237
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122787
Unique aggregates announced from the RIPE address blocks: 78912
RIPE Region origin ASes present in the Internet Routing Table: 17453
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8278
RIPE Region transit ASes present in the Internet Routing Table: 2800
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: 656728320
Equivalent to 39 /8s, 36 /16s and 225 /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: 51548
Total LACNIC prefixes after maximum aggregation: 9673
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 56466
Unique aggregates announced from the LACNIC address blocks: 26312
LACNIC Region origin ASes present in the Internet Routing Table: 2025
LACNIC Prefixes per ASN: 27.88
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 371
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: 139972096
Equivalent to 8 /8s, 87 /16s and 206 /24s
Percentage of available LACNIC address space announced: 83.4
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: 11640
Total AfriNIC prefixes after maximum aggregation: 2529
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12267
Unique aggregates announced from the AfriNIC address blocks: 3977
AfriNIC Region origin ASes present in the Internet Routing Table: 657
AfriNIC Prefixes per ASN: 18.67
AfriNIC Region origin ASes announcing only one prefix: 192
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: 47710208
Equivalent to 2 /8s, 216 /16s and 0 /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 2718 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2135 11553 640 Korea Telecom (KIX)
7545 2074 321 112 TPG Internet Pty Ltd
4755 1810 403 191 TATA Communications formerly
9829 1551 1238 43 BSNL National Internet Backbo
9583 1235 93 510 Sify Limited
9498 1198 309 73 BHARTI Airtel Ltd.
7552 1096 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1075 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.
18566 2063 382 183 Covad Communications
22773 2058 2943 141 Cox Communications, Inc.
1785 2018 679 125 PaeTec Communications, Inc.
20115 1682 1651 619 Charter Communications
4323 1630 1120 421 Time Warner Telecom
701 1514 11148 789 UUNET Technologies, Inc.
7018 1342 17531 868 AT&T WorldNet Services
30036 1337 301 640 Mediacom Communications Corp
6983 1293 756 578 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 1782 544 17 OJSC "Vimpelcom"
34984 1366 244 223 TELLCOM ILETISIM HIZMETLERI A
20940 1050 389 811 Akamai Technologies European
31148 992 44 19 FreeNet ISP
6830 894 2365 428 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 757 370 41 Bezeq International
12479 680 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 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 3364 1734 88 NET Servicos de Comunicao S.A
10620 2598 423 248 TVCABLE BOGOTA
7303 1718 1133 235 Telecom Argentina Stet-France
18881 1463 844 20 Global Village Telecom
8151 1325 2805 414 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 857 434 64 AVANTEL, S.A.
27947 813 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 882 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 421 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 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 3364 1734 88 NET Servicos de Comunicao S.A
6389 3060 3689 59 BellSouth.net Inc.
17974 2718 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2598 423 248 TVCABLE BOGOTA
4766 2135 11553 640 Korea Telecom (KIX)
7545 2074 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2058 2943 141 Cox Communications, Inc.
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 2718 2628 PT TELEKOMUNIKASI INDONESIA
10620 2598 2350 TVCABLE BOGOTA
7545 2074 1962 TPG Internet Pty Ltd
22773 2058 1917 Cox Communications, Inc.
1785 2018 1893 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1782 1765 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
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,
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/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.
23.91.96.0/20 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
23.91.168.0/22 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 /14:909 /15:1626 /16:12795 /17:6724 /18:11169
/19:22948 /20:32584 /21:35185 /22:49299 /23:42608 /24:246786
/25:9 /26:11 /27:10 /28:128 /29:214 /30:138
/31:0 /32:134
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 1505 1782 OJSC "Vimpelcom"
22773 1330 2058 Cox Communications, Inc.
11492 1194 1235 Cable One
30036 1194 1337 Mediacom Communications Corp
1785 1084 2018 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 959 1233 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:828 2:883 3:3 4:16 5:990 6:19
8:607 12:1894 13:3 14:842 15:11 16:3
17:14 18:19 20:21 23:450 24:1717 27:1593
31:1483 32:40 33:2 34:5 36:81 37:1823
38:902 39:2 40:179 41:3256 42:248 44:14
46:2018 47:7 49:677 50:803 52:12 54:39
55:3 57:29 58:1085 59:639 60:349 61:1486
62:1183 63:1972 64:4539 65:2349 66:4179 67:2078
68:1088 69:3313 70:858 71:495 72:1994 74:2556
75:326 76:306 77:1134 78:1053 79:643 80:1345
81:1019 82:653 83:587 84:593 85:1252 86:454
87:1022 88:555 89:1723 90:157 91:5646 92:611
93:1624 94:1983 95:1633 96:511 97:344 98:1033
99:40 100:30 101:361 103:3337 105:520 106:143
107:212 108:491 109:1880 110:949 111:1125 112:573
113:786 114:699 115:1052 116:969 117:807 118:1168
119:1262 120:356 121:847 122:1795 123:1218 124:1321
125:1425 128:582 129:305 130:309 131:662 132:341
133:162 134:530 135:67 136:272 137:263 138:350
139:177 140:169 141:311 142:533 143:408 144:498
145:103 146:512 147:392 148:688 149:349 150:156
151:615 152:412 153:200 154:47 155:486 156:278
157:372 158:283 159:676 160:348 161:445 162:733
163:206 164:630 165:565 166:258 167:623 168:1039
169:126 170:1070 171:200 172:25 173:1610 174:665
175:489 176:1237 177:2370 178:1919 179:150 180:1561
181:747 182:1325 183:480 184:657 185:910 186:2601
187:1488 188:1869 189:1344 190:7168 192:6926 193:5617
194:4061 195:3336 196:1308 197:1059 198:4636 199:5443
200:6044 201:2522 202:8784 203:8835 204:4430 205:2599
206:2759 207:2824 208:3997 209:3609 210:2852 211:1571
212:2284 213:2008 214:897 215:96 216:5385 217:1671
218:611 219:328 220:1274 221:566 222:324 223:492
End of report
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