* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 08 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464053
Prefixes after maximum aggregation: 187591
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232362
Total ASes present in the Internet Routing Table: 41014
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35220
Origin ASes announcing only one prefix: 16284
Transit ASes present in the Internet Routing Table: 5787
Transit-only ASes present in the Internet Routing Table: 142
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: 484
Unregistered ASNs in the Routing Table: 238
Number of 32-bit ASNs allocated by the RIRs: 5155
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12241
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 698
Number of addresses announced to Internet: 2668842240
Equivalent to 159 /8s, 19 /16s and 77 /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: 161610
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107338
Total APNIC prefixes after maximum aggregation: 33037
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110007
Unique aggregates announced from the APNIC address blocks: 46672
APNIC Region origin ASes present in the Internet Routing Table: 4846
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 803
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: 727245312
Equivalent to 43 /8s, 88 /16s and 226 /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: 161433
Total ARIN prefixes after maximum aggregation: 81072
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162013
Unique aggregates announced from the ARIN address blocks: 75871
ARIN Region origin ASes present in the Internet Routing Table: 15837
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6017
ARIN Region transit ASes present in the Internet Routing Table: 1607
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: 1073074688
Equivalent to 63 /8s, 245 /16s and 210 /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: 119014
Total RIPE prefixes after maximum aggregation: 61209
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122566
Unique aggregates announced from the RIPE address blocks: 78871
RIPE Region origin ASes present in the Internet Routing Table: 17437
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8264
RIPE Region transit ASes present in the Internet Routing Table: 2791
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: 656674816
Equivalent to 39 /8s, 36 /16s and 16 /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: 51516
Total LACNIC prefixes after maximum aggregation: 9652
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 56463
Unique aggregates announced from the LACNIC address blocks: 26336
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: 569
LACNIC Region transit ASes present in the Internet Routing Table: 368
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: 139982080
Equivalent to 8 /8s, 87 /16s and 245 /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: 11674
Total AfriNIC prefixes after maximum aggregation: 2534
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12304
Unique aggregates announced from the AfriNIC address blocks: 4012
AfriNIC Region origin ASes present in the Internet Routing Table: 658
AfriNIC Prefixes per ASN: 18.70
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 133
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: 47735808
Equivalent to 2 /8s, 216 /16s and 100 /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 2142 11555 644 Korea Telecom (KIX)
7545 2071 320 111 TPG Internet Pty Ltd
4755 1809 403 191 TATA Communications formerly
9829 1554 1241 43 BSNL National Internet Backbo
9583 1235 93 510 Sify Limited
9498 1202 310 76 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 2019 679 125 PaeTec Communications, Inc.
20115 1679 1651 616 Charter Communications
4323 1631 1120 422 Time Warner Telecom
701 1514 11148 789 UUNET Technologies, Inc.
7018 1339 17531 866 AT&T WorldNet Services
30036 1337 301 640 Mediacom Communications Corp
6983 1292 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 1718 544 17 OJSC "Vimpelcom"
34984 1366 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1061 394 814 Akamai Technologies European
31148 992 44 19 FreeNet ISP
13188 850 99 62 TOV "Bank-Inform"
6830 826 2365 426 UPC Distribution Services
8551 758 370 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 3365 1734 88 NET Servicos de Comunicao S.A
10620 2598 423 248 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1462 844 20 Global Village Telecom
8151 1326 2805 412 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
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 732 303 86 Empresa Nacional de Telecomun
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 3365 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 2142 11555 644 Korea Telecom (KIX)
7545 2071 320 111 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2058 2943 141 Cox Communications, Inc.
1785 2019 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 2071 1960 TPG Internet Pty Ltd
22773 2058 1917 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1718 1701 OJSC "Vimpelcom"
4755 1809 1618 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 /14:910 /15:1626 /16:12797 /17:6719 /18:11159
/19:22945 /20:32607 /21:35226 /22:49313 /23:42555 /24:246668
/25:9 /26:11 /27:10 /28:127 /29:215 /30:139
/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 1440 1718 OJSC "Vimpelcom"
22773 1330 2058 Cox Communications, Inc.
11492 1194 1235 Cable One
30036 1194 1337 Mediacom Communications Corp
1785 1085 2019 PaeTec Communications, Inc.
6983 1033 1292 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)
----------------------------------------------
1:827 2:836 3:3 4:16 5:989 6:19
8:604 12:1895 13:3 14:845 15:11 16:3
17:14 18:19 20:21 23:453 24:1719 27:1596
31:1483 32:38 33:2 34:5 36:81 37:1820
38:902 39:2 40:179 41:3260 42:248 44:14
46:2020 47:7 49:678 50:805 52:12 54:39
55:3 56:2 57:29 58:1085 59:639 60:352
61:1487 62:1185 63:1973 64:4540 65:2350 66:4177
67:2108 68:1088 69:3287 70:858 71:495 72:1990
74:2559 75:326 76:306 77:1129 78:1049 79:644
80:1334 81:1019 82:629 83:588 84:594 85:1238
86:453 87:1015 88:554 89:1730 90:157 91:5632
92:611 93:1619 94:1987 95:1639 96:511 97:342
98:1031 99:40 100:30 101:364 103:3337 105:520
106:143 107:212 108:491 109:1874 110:960 111:1124
112:573 113:787 114:703 115:1053 116:966 117:804
118:1169 119:1261 120:356 121:847 122:1795 123:1219
124:1334 125:1426 128:583 129:304 130:311 131:663
132:341 133:162 134:535 135:67 136:275 137:262
138:348 139:178 140:169 141:310 142:533 143:414
144:496 145:96 146:513 147:393 148:690 149:349
150:156 151:614 152:412 153:200 154:47 155:485
156:279 157:372 158:284 159:676 160:348 161:447
162:744 163:208 164:625 165:565 166:258 167:626
168:1039 169:125 170:1080 171:202 172:25 173:1604
174:648 175:490 176:1212 177:2351 178:1918 179:160
180:1565 181:744 182:1324 183:475 184:657 185:914
186:2596 187:1486 188:1870 189:1348 190:7185 192:6925
193:5620 194:4062 195:3325 196:1324 197:1060 198:4642
199:5438 200:6054 201:2523 202:8797 203:8840 204:4428
205:2601 206:2755 207:2828 208:3998 209:3607 210:2849
211:1571 212:2235 213:2003 214:891 215:99 216:5368
217:1673 218:611 219:328 220:1275 221:566 222:324
223:492
End of report
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