* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 07 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 465915
Prefixes after maximum aggregation: 187691
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233462
Total ASes present in the Internet Routing Table: 45273
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35365
Origin ASes announcing only one prefix: 16301
Transit ASes present in the Internet Routing Table: 5796
Transit-only ASes present in the Internet Routing Table: 140
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: 778
Unregistered ASNs in the Routing Table: 217
Number of 32-bit ASNs allocated by the RIRs: 5306
Number of 32-bit ASNs visible in the Routing Table: 4112
Prefixes from 32-bit ASNs in the Routing Table: 12760
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 980
Number of addresses announced to Internet: 2674984448
Equivalent to 159 /8s, 113 /16s and 6 /24s
Percentage of available address space announced: 72.3
Percentage of allocated address space announced: 72.3
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.1
Total number of prefixes smaller than registry allocations: 161902
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107522
Total APNIC prefixes after maximum aggregation: 33154
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110344
Unique aggregates announced from the APNIC address blocks: 47202
APNIC Region origin ASes present in the Internet Routing Table: 4850
APNIC Prefixes per ASN: 22.75
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 813
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: 730
Number of APNIC addresses announced to Internet: 729129984
Equivalent to 43 /8s, 117 /16s and 164 /24s
Percentage of available APNIC address space announced: 85.2
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: 161517
Total ARIN prefixes after maximum aggregation: 81161
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162472
Unique aggregates announced from the ARIN address blocks: 75880
ARIN Region origin ASes present in the Internet Routing Table: 15876
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6012
ARIN Region transit ASes present in the Internet Routing Table: 1595
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 33
Number of ARIN addresses announced to Internet: 1073302272
Equivalent to 63 /8s, 249 /16s and 75 /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: 119190
Total RIPE prefixes after maximum aggregation: 60892
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122811
Unique aggregates announced from the RIPE address blocks: 78688
RIPE Region origin ASes present in the Internet Routing Table: 17504
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8304
RIPE Region transit ASes present in the Internet Routing Table: 2808
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: 2461
Number of RIPE addresses announced to Internet: 656371712
Equivalent to 39 /8s, 31 /16s and 112 /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: 51811
Total LACNIC prefixes after maximum aggregation: 9765
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 56871
Unique aggregates announced from the LACNIC address blocks: 26876
LACNIC Region origin ASes present in the Internet Routing Table: 2024
LACNIC Prefixes per ASN: 28.10
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 370
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 882
Number of LACNIC addresses announced to Internet: 142274304
Equivalent to 8 /8s, 122 /16s and 239 /24s
Percentage of available LACNIC address space announced: 84.8
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: 11799
Total AfriNIC prefixes after maximum aggregation: 2583
AfriNIC Deaggregation factor: 4.57
Prefixes being announced from the AfriNIC address blocks: 12436
Unique aggregates announced from the AfriNIC address blocks: 4019
AfriNIC Region origin ASes present in the Internet Routing Table: 673
AfriNIC Prefixes per ASN: 18.48
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: 6
Number of AfriNIC addresses announced to Internet: 48100864
Equivalent to 2 /8s, 221 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 47.8
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 89 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2087 319 110 TPG Internet Pty Ltd
4755 1802 401 185 TATA Communications formerly
9829 1553 1242 46 BSNL National Internet Backbo
9583 1235 94 512 Sify Limited
9498 1198 310 78 BHARTI Airtel Ltd.
7552 1155 1080 13 Vietel Corporation
24560 1091 380 161 Bharti Airtel Ltd., Telemedia
4808 1066 2019 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 3054 3688 56 BellSouth.net Inc.
22773 2193 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2037 684 131 PaeTec Communications, Inc.
20115 1682 1654 607 Charter Communications
4323 1637 1118 421 Time Warner Telecom
701 1504 11145 782 MCI Communications Services,
30036 1384 313 577 Mediacom Communications Corp
7018 1347 17797 881 AT&T WorldNet Services
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 1863 544 17 OJSC "Vimpelcom"
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1137 419 862 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 886 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 778 370 41 Bezeq International
6830 774 2328 426 UPC Distribution Services
12479 675 798 55 Uni2 Autonomous System
35228 540 246 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 3432 1784 85 NET Servicos de Comunicao S.A
10620 2641 428 237 TVCABLE BOGOTA
7303 1727 1146 232 Telecom Argentina Stet-France
18881 1533 844 20 Global Village Telecom
8151 1345 2850 404 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6503 785 434 63 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
3816 750 301 123 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 893 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 408 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 227 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 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 3432 1784 85 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2712 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2641 428 237 TVCABLE BOGOTA
22773 2193 2939 139 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2087 319 110 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2037 684 131 PaeTec Communications, Inc.
8402 1863 544 17 OJSC "Vimpelcom"
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 3054 2998 BellSouth.net Inc.
17974 2712 2623 PT TELEKOMUNIKASI INDONESIA
10620 2641 2404 TVCABLE BOGOTA
22773 2193 2054 Cox Communications, Inc.
7545 2087 1977 TPG Internet Pty Ltd
1785 2037 1906 PaeTec Communications, Inc.
18566 2054 1877 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1863 1846 OJSC "Vimpelcom"
4755 1802 1617 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
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62734 UNALLOCATED 8.31.128.0/24 6939 Hurricane Electric
62773 UNALLOCATED 8.35.180.0/22 3356 Level 3 Communicatio
65333 PRIVATE 10.0.0.0/8 0 *
15132 UNALLOCATED 12.9.150.0/24 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 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.110.0/24 701 MCI Communications S
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
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
203.0.113.0/24 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
23.91.4.0/24 40676 Psychz Networks
23.91.14.0/24 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.80.0/20 21560 Capital Technology Services G
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
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 /12:255
/13:472 /14:925 /15:1628 /16:12806 /17:6777 /18:11244
/19:23004 /20:32755 /21:35418 /22:49277 /23:43368 /24:247160
/25:9 /26:11 /27:12 /28:126 /29:224 /30:155
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2054 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1707 3054 BellSouth.net Inc.
8402 1537 1863 OJSC "Vimpelcom"
22773 1458 2193 Cox Communications, Inc.
30036 1230 1384 Mediacom Communications Corp
11492 1189 1230 Cable One
1785 1086 2037 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 968 1245 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:879 2:886 3:3 4:16 5:1025 6:21
8:610 12:1893 13:3 14:870 15:11 16:3
17:18 18:19 20:21 23:518 24:1738 27:1613
31:1502 32:40 33:2 34:5 36:83 37:1902
38:917 39:4 40:181 41:3258 42:252 44:14
46:2021 47:11 49:685 50:834 52:12 54:42
55:9 56:4 57:29 58:1083 59:571 60:372
61:1452 62:1218 63:1985 64:4350 65:2343 66:4145
67:2097 68:1103 69:3277 70:872 71:489 72:2034
74:2557 75:328 76:306 77:1139 78:1041 79:647
80:1294 81:1032 82:660 83:630 84:582 85:1235
86:382 87:1012 88:563 89:1559 90:150 91:5650
92:617 93:1607 94:2024 95:1597 96:513 97:345
98:1050 99:39 100:30 101:375 103:3519 105:527
106:142 107:213 108:518 109:1909 110:962 111:1102
112:588 113:809 114:735 115:1005 116:988 117:809
118:1165 119:1240 120:350 121:739 122:1784 123:1251
124:1339 125:1439 128:636 129:218 130:315 131:653
132:358 133:157 134:544 135:67 136:278 137:265
138:350 139:174 140:165 141:319 142:529 143:401
144:493 145:88 146:520 147:387 148:705 149:367
150:152 151:587 152:409 153:206 154:52 155:490
156:286 157:373 158:279 159:687 160:360 161:453
162:826 163:205 164:631 165:579 166:259 167:634
168:1040 169:124 170:1119 171:182 172:27 173:1588
174:687 175:501 176:1287 177:2422 178:1962 179:204
180:1579 181:814 182:1336 183:460 184:675 185:1000
186:2577 187:1481 188:1837 189:1255 190:7103 192:7041
193:5418 194:4043 195:3357 196:1330 197:1063 198:4692
199:5453 200:6035 201:2474 202:8786 203:8801 204:4466
205:2626 206:2751 207:2763 208:3981 209:3633 210:2905
211:1559 212:2162 213:1989 214:894 215:91 216:5383
217:1688 218:619 219:316 220:1275 221:579 222:324
223:504
End of report
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