* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 09 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464560
Prefixes after maximum aggregation: 187606
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232418
Total ASes present in the Internet Routing Table: 41015
Prefixes per ASN: 11.33
Origin-only ASes present in the Internet Routing Table: 35211
Origin ASes announcing only one prefix: 16274
Transit ASes present in the Internet Routing Table: 5797
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: 28
Max AS path prepend of ASN ( 59482) 25
Prefixes from unregistered ASNs in the Routing Table: 589
Unregistered ASNs in the Routing Table: 304
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: 12255
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 715
Number of addresses announced to Internet: 2668670464
Equivalent to 159 /8s, 16 /16s and 174 /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: 161842
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107379
Total APNIC prefixes after maximum aggregation: 33014
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110075
Unique aggregates announced from the APNIC address blocks: 46728
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: 1239
APNIC Region transit ASes present in the Internet Routing Table: 802
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: 727125504
Equivalent to 43 /8s, 87 /16s and 14 /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: 161454
Total ARIN prefixes after maximum aggregation: 81092
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162012
Unique aggregates announced from the ARIN address blocks: 75903
ARIN Region origin ASes present in the Internet Routing Table: 15828
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6005
ARIN Region transit ASes present in the Internet Routing Table: 1608
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: 1073125120
Equivalent to 63 /8s, 246 /16s and 151 /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: 119275
Total RIPE prefixes after maximum aggregation: 61243
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122836
Unique aggregates announced from the RIPE address blocks: 78850
RIPE Region origin ASes present in the Internet Routing Table: 17450
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8270
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: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656415232
Equivalent to 39 /8s, 32 /16s and 26 /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: 51607
Total LACNIC prefixes after maximum aggregation: 9637
LACNIC Deaggregation factor: 5.36
Prefixes being announced from the LACNIC address blocks: 56551
Unique aggregates announced from the LACNIC address blocks: 26332
LACNIC Region origin ASes present in the Internet Routing Table: 2023
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 369
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: 140042496
Equivalent to 8 /8s, 88 /16s and 225 /24s
Percentage of available LACNIC address space announced: 83.5
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: 11734
Total AfriNIC prefixes after maximum aggregation: 2531
AfriNIC Deaggregation factor: 4.64
Prefixes being announced from the AfriNIC address blocks: 12369
Unique aggregates announced from the AfriNIC address blocks: 3993
AfriNIC Region origin ASes present in the Internet Routing Table: 656
AfriNIC Prefixes per ASN: 18.86
AfriNIC Region origin ASes announcing only one prefix: 192
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: 47756800
Equivalent to 2 /8s, 216 /16s and 182 /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 2709 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2141 11555 644 Korea Telecom (KIX)
7545 2073 321 112 TPG Internet Pty Ltd
4755 1810 403 191 TATA Communications formerly
9829 1542 1241 43 BSNL National Internet Backbo
9583 1235 93 510 Sify Limited
9498 1184 310 75 BHARTI Airtel Ltd.
7552 1149 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 2059 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 1342 17531 868 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 1796 544 17 OJSC "Vimpelcom"
34984 1366 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1059 392 812 Akamai Technologies European
31148 991 44 19 FreeNet ISP
6830 896 2365 429 UPC Distribution Services
13188 850 99 62 TOV "Bank-Inform"
8551 765 370 41 Bezeq International
12479 680 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 538 246 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 3393 1736 89 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 1325 2813 411 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 857 434 64 AVANTEL, S.A.
27947 809 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 883 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 425 956 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 3393 1736 89 NET Servicos de Comunicao S.A
6389 3060 3689 59 BellSouth.net Inc.
17974 2709 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2598 423 248 TVCABLE BOGOTA
4766 2141 11555 644 Korea Telecom (KIX)
7545 2073 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2059 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 2709 2620 PT TELEKOMUNIKASI INDONESIA
10620 2598 2350 TVCABLE BOGOTA
7545 2073 1961 TPG Internet Pty Ltd
22773 2059 1918 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1796 1779 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
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,
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.
23.91.96.0/20 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 /14:912 /15:1624 /16:12797 /17:6718 /18:11159
/19:22942 /20:32634 /21:35236 /22:49349 /23:42635 /24:247025
/25:9 /26:11 /27:10 /28:127 /29:215 /30:139
/31:0 /32:135
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 1515 1796 OJSC "Vimpelcom"
22773 1330 2059 Cox Communications, Inc.
30036 1194 1337 Mediacom Communications Corp
11492 1192 1233 Cable One
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)
----------------------------------------------
1:829 2:876 3:3 4:16 5:996 6:19
8:604 12:1896 13:3 14:847 15:11 16:3
17:14 18:19 20:21 23:453 24:1717 27:1600
31:1478 32:40 33:2 34:5 36:81 37:1838
38:903 39:2 40:181 41:3274 42:248 44:14
46:2025 47:7 49:679 50:808 52:12 54:39
55:3 56:2 57:29 58:1085 59:631 60:358
61:1487 62:1188 63:1979 64:4536 65:2350 66:4179
67:2108 68:1087 69:3274 70:858 71:495 72:1989
74:2562 75:326 76:306 77:1139 78:1071 79:648
80:1347 81:1021 82:631 83:588 84:594 85:1259
86:453 87:1015 88:555 89:1731 90:156 91:5639
92:611 93:1619 94:1981 95:1642 96:510 97:342
98:1032 99:40 100:30 101:363 103:3342 105:520
106:143 107:212 108:491 109:1890 110:958 111:1126
112:576 113:785 114:697 115:1051 116:971 117:803
118:1172 119:1259 120:361 121:848 122:1795 123:1219
124:1340 125:1425 128:586 129:303 130:311 131:640
132:342 133:162 134:536 135:67 136:275 137:258
138:348 139:179 140:169 141:312 142:533 143:420
144:497 145:96 146:512 147:392 148:690 149:349
150:152 151:615 152:412 153:200 154:47 155:487
156:279 157:369 158:283 159:675 160:351 161:447
162:750 163:208 164:630 165:562 166:257 167:626
168:1039 169:126 170:1080 171:202 172:25 173:1601
174:647 175:491 176:1222 177:2346 178:1921 179:160
180:1562 181:753 182:1328 183:473 184:653 185:928
186:2564 187:1508 188:1867 189:1365 190:7177 192:6959
193:5636 194:4075 195:3339 196:1336 197:1062 198:4633
199:5438 200:6087 201:2523 202:8801 203:8830 204:4445
205:2607 206:2755 207:2830 208:3991 209:3608 210:2850
211:1567 212:2225 213:2020 214:902 215:99 216:5367
217:1682 218:611 219:328 220:1275 221:566 222:324
223:493
End of report
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