* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 23 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 462778
Prefixes after maximum aggregation: 187228
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 232000
Total ASes present in the Internet Routing Table: 40964
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35198
Origin ASes announcing only one prefix: 16297
Transit ASes present in the Internet Routing Table: 5759
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: 3911
Unregistered ASNs in the Routing Table: 664
Number of 32-bit ASNs allocated by the RIRs: 5080
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12228
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 511
Number of addresses announced to Internet: 2663867904
Equivalent to 158 /8s, 199 /16s and 102 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
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: 161432
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107099
Total APNIC prefixes after maximum aggregation: 32874
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 109722
Unique aggregates announced from the APNIC address blocks: 46570
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 22.67
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 815
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1
Number of APNIC addresses announced to Internet: 726988800
Equivalent to 43 /8s, 84 /16s and 248 /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: 161043
Total ARIN prefixes after maximum aggregation: 81043
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161616
Unique aggregates announced from the ARIN address blocks: 75686
ARIN Region origin ASes present in the Internet Routing Table: 15841
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 6030
ARIN Region transit ASes present in the Internet Routing Table: 1594
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: 1070889216
Equivalent to 63 /8s, 212 /16s and 121 /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: 118919
Total RIPE prefixes after maximum aggregation: 61014
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122738
Unique aggregates announced from the RIPE address blocks: 79161
RIPE Region origin ASes present in the Internet Routing Table: 17416
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8261
RIPE Region transit ASes present in the Internet Routing Table: 2773
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: 656963328
Equivalent to 39 /8s, 40 /16s and 119 /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: 50959
Total LACNIC prefixes after maximum aggregation: 9687
LACNIC Deaggregation factor: 5.26
Prefixes being announced from the LACNIC address blocks: 55844
Unique aggregates announced from the LACNIC address blocks: 26177
LACNIC Region origin ASes present in the Internet Routing Table: 2008
LACNIC Prefixes per ASN: 27.81
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 364
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: 139084288
Equivalent to 8 /8s, 74 /16s and 66 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11740
Total AfriNIC prefixes after maximum aggregation: 2538
AfriNIC Deaggregation factor: 4.63
Prefixes being announced from the AfriNIC address blocks: 12345
Unique aggregates announced from the AfriNIC address blocks: 3949
AfriNIC Region origin ASes present in the Internet Routing Table: 658
AfriNIC Prefixes per ASN: 18.76
AfriNIC Region origin ASes announcing only one prefix: 194
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: 46666240
Equivalent to 2 /8s, 200 /16s and 18 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2679 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2071 321 112 TPG Internet Pty Ltd
4755 1801 403 191 TATA Communications formerly
9829 1550 1238 40 BSNL National Internet Backbo
9583 1230 92 508 Sify Limited
9498 1191 309 72 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
24560 1089 380 163 Bharti Airtel Ltd., Telemedia
4808 1073 2023 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 3067 3689 62 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2046 2933 125 Cox Communications, Inc.
1785 2018 679 126 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1612 1119 410 Time Warner Telecom
701 1530 11152 797 UUNET Technologies, Inc.
30036 1346 303 633 Mediacom Communications Corp
7018 1313 11261 829 AT&T WorldNet Services
22561 1236 386 201 Digital Teleport, Inc
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 1688 544 16 OJSC "Vimpelcom"
34984 1357 244 221 TELLCOM ILETISIM HIZMETLERI A
20940 1027 380 790 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 895 2367 427 UPC Distribution Services
13188 847 99 70 TOV "Bank-Inform"
8551 758 370 41 Bezeq International
12479 676 799 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 3289 1726 103 NET Servicos de Comunicao S.A
10620 2573 420 250 TVCABLE BOGOTA
7303 1714 1135 228 Telecom Argentina Stet-France
18881 1432 844 20 Global Village Telecom
8151 1309 2798 409 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 829 434 65 AVANTEL, S.A.
27947 809 94 95 Telconet S.A
7738 779 1498 36 Telecomunicacoes da Bahia S.A
6147 736 376 21 Telefonica Del Peru
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 876 274 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 427 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 222 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 191 667 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 3289 1726 103 NET Servicos de Comunicao S.A
6389 3067 3689 62 BellSouth.net Inc.
17974 2679 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2573 420 250 TVCABLE BOGOTA
4766 2120 11553 622 Korea Telecom (KIX)
7545 2071 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2046 2933 125 Cox Communications, Inc.
1785 2018 679 126 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 3067 3005 BellSouth.net Inc.
17974 2679 2588 PT TELEKOMUNIKASI INDONESIA
10620 2573 2323 TVCABLE BOGOTA
7545 2071 1959 TPG Internet Pty Ltd
22773 2046 1921 Cox Communications, Inc.
1785 2018 1892 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1688 1672 OJSC "Vimpelcom"
4755 1801 1610 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 /11:93 /12:251
/13:477 /14:912 /15:1626 /16:12761 /17:6714 /18:11129
/19:22881 /20:32525 /21:34985 /22:49102 /23:42508 /24:246125
/25:9 /26:11 /27:11 /28:130 /29:203 /30:132
/31:0 /32:133
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 1712 3067 BellSouth.net Inc.
8402 1402 1688 OJSC "Vimpelcom"
22773 1332 2046 Cox Communications, Inc.
30036 1206 1346 Mediacom Communications Corp
11492 1187 1228 Cable One
1785 1084 2018 PaeTec Communications, Inc.
6983 1025 1150 ITC^Deltacom
22561 960 1236 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:809 2:864 3:3 4:16 5:961 6:19
8:599 12:1893 13:3 14:843 15:11 16:3
17:13 18:19 20:21 23:404 24:1740 27:1580
31:1473 32:40 33:2 34:5 36:80 37:1827
38:901 39:3 40:179 41:3304 42:250 44:13
46:1994 47:7 49:674 50:809 52:12 54:38
55:5 57:29 58:1089 59:630 60:340 61:1476
62:1200 63:1985 64:4535 65:2360 66:4169 67:2085
68:1085 69:3317 70:866 71:494 72:2001 74:2552
75:330 76:300 77:1154 78:1055 79:630 80:1339
81:1028 82:639 83:581 84:585 85:1241 86:451
87:1043 88:552 89:1715 90:157 91:5714 92:612
93:1625 94:2023 95:1578 96:518 97:342 98:1041
99:40 100:30 101:357 103:3306 105:519 106:142
107:208 108:466 109:1876 110:954 111:1120 112:575
113:795 114:702 115:1037 116:961 117:804 118:1163
119:1266 120:349 121:851 122:1800 123:1255 124:1348
125:1425 128:589 129:302 130:309 131:666 132:343
133:161 134:535 135:67 136:271 137:264 138:348
139:175 140:179 141:311 142:522 143:394 144:497
145:100 146:510 147:475 148:681 149:354 150:157
151:585 152:412 153:195 154:46 155:485 156:276
157:371 158:285 159:682 160:349 161:425 162:711
163:208 164:634 165:566 166:258 167:616 168:1039
169:127 170:1084 171:201 172:25 173:1575 174:663
175:487 176:1185 177:2300 178:1889 179:143 180:1512
181:732 182:1262 183:464 184:655 185:871 186:2538
187:1457 188:1900 189:1312 190:7084 192:6872 193:5664
194:4071 195:3331 196:1328 197:1047 198:4627 199:5421
200:5948 201:2543 202:8807 203:8858 204:4447 205:2616
206:2758 207:2828 208:3999 209:3597 210:2855 211:1549
212:2292 213:2049 214:918 215:99 216:5303 217:1658
218:611 219:327 220:1274 221:559 222:323 223:495
End of report
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