* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 10 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 466499
Prefixes after maximum aggregation: 187781
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233564
Total ASes present in the Internet Routing Table: 45257
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35329
Origin ASes announcing only one prefix: 16284
Transit ASes present in the Internet Routing Table: 5809
Transit-only ASes present in the Internet Routing Table: 138
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: 786
Unregistered ASNs in the Routing Table: 221
Number of 32-bit ASNs allocated by the RIRs: 5325
Number of 32-bit ASNs visible in the Routing Table: 4119
Prefixes from 32-bit ASNs in the Routing Table: 12859
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1033
Number of addresses announced to Internet: 2675370496
Equivalent to 159 /8s, 118 /16s and 234 /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: 162240
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107478
Total APNIC prefixes after maximum aggregation: 33196
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110330
Unique aggregates announced from the APNIC address blocks: 47235
APNIC Region origin ASes present in the Internet Routing Table: 4832
APNIC Prefixes per ASN: 22.83
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 814
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: 728959232
Equivalent to 43 /8s, 115 /16s and 9 /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: 161452
Total ARIN prefixes after maximum aggregation: 81149
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162377
Unique aggregates announced from the ARIN address blocks: 75827
ARIN Region origin ASes present in the Internet Routing Table: 15870
ARIN Prefixes per ASN: 10.23
ARIN Region origin ASes announcing only one prefix: 6010
ARIN Region transit ASes present in the Internet Routing Table: 1599
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: 34
Number of ARIN addresses announced to Internet: 1073276160
Equivalent to 63 /8s, 248 /16s and 229 /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: 119440
Total RIPE prefixes after maximum aggregation: 60925
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123089
Unique aggregates announced from the RIPE address blocks: 78744
RIPE Region origin ASes present in the Internet Routing Table: 17498
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2807
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: 2464
Number of RIPE addresses announced to Internet: 656576768
Equivalent to 39 /8s, 34 /16s and 145 /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: 52073
Total LACNIC prefixes after maximum aggregation: 9784
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 57159
Unique aggregates announced from the LACNIC address blocks: 26890
LACNIC Region origin ASes present in the Internet Routing Table: 2026
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 548
LACNIC Region transit ASes present in the Internet Routing Table: 380
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: 885
Number of LACNIC addresses announced to Internet: 142578944
Equivalent to 8 /8s, 127 /16s and 149 /24s
Percentage of available LACNIC address space announced: 85.0
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: 11869
Total AfriNIC prefixes after maximum aggregation: 2584
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12510
Unique aggregates announced from the AfriNIC address blocks: 4025
AfriNIC Region origin ASes present in the Internet Routing Table: 675
AfriNIC Prefixes per ASN: 18.53
AfriNIC Region origin ASes announcing only one prefix: 193
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: 48072192
Equivalent to 2 /8s, 221 /16s and 134 /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 2714 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2138 11550 641 Korea Telecom (KIX)
7545 2089 319 111 TPG Internet Pty Ltd
4755 1802 401 184 TATA Communications formerly
9829 1539 1242 46 BSNL National Internet Backbo
9583 1236 94 513 Sify Limited
9498 1196 310 78 BHARTI Airtel Ltd.
7552 1156 1080 13 Vietel Corporation
24560 1094 380 163 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 2196 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2038 684 131 PaeTec Communications, Inc.
20115 1683 1654 608 Charter Communications
4323 1640 1118 423 Time Warner Telecom
701 1505 11146 783 MCI Communications Services,
30036 1386 313 577 Mediacom Communications Corp
7018 1348 17796 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 1877 544 17 OJSC "Vimpelcom"
34984 1363 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1147 424 859 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 886 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 794 370 41 Bezeq International
6830 773 2327 425 UPC Distribution Services
12479 677 798 55 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
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 3450 1788 85 NET Servicos de Comunicao S.A
10620 2648 429 233 TVCABLE BOGOTA
7303 1727 1146 232 Telecom Argentina Stet-France
18881 1548 908 20 Global Village Telecom
8151 1346 2849 412 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6503 787 434 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 891 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 411 956 9 TEDATA
24835 298 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
36992 229 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
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 3450 1788 85 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2714 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2648 429 233 TVCABLE BOGOTA
22773 2196 2939 139 Cox Communications, Inc.
4766 2138 11550 641 Korea Telecom (KIX)
7545 2089 319 111 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2038 684 131 PaeTec Communications, Inc.
8402 1877 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 2714 2625 PT TELEKOMUNIKASI INDONESIA
10620 2648 2415 TVCABLE BOGOTA
22773 2196 2057 Cox Communications, Inc.
7545 2089 1978 TPG Internet Pty Ltd
1785 2038 1907 PaeTec Communications, Inc.
18566 2054 1877 MegaPath Corporation
8402 1877 1860 OJSC "Vimpelcom"
36998 1864 1859 Sudanese Mobile Telephone (ZA
4755 1802 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
62828 UNALLOCATED 8.21.130.0/24 3356 Level 3 Communicatio
62850 UNALLOCATED 8.25.147.0/24 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
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 3257 Tiscali Intl Network
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
23.91.96.0/20 37958 ChinaCache Networks ASN
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 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 /12:255
/13:471 /14:925 /15:1627 /16:12816 /17:6779 /18:11274
/19:23121 /20:32812 /21:35439 /22:49374 /23:43430 /24:247349
/25:9 /26:11 /27:12 /28:126 /29:223 /30:153
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2008 2054 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1707 3054 BellSouth.net Inc.
8402 1549 1877 OJSC "Vimpelcom"
22773 1459 2196 Cox Communications, Inc.
30036 1231 1386 Mediacom Communications Corp
11492 1192 1232 Cable One
1785 1086 2038 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 970 1247 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:880 2:877 3:3 4:16 5:1024 6:21
8:611 12:1897 13:3 14:871 15:11 16:3
17:18 18:19 20:21 23:540 24:1742 27:1625
31:1506 32:40 33:2 34:5 36:83 37:1915
38:913 39:4 40:181 41:3297 42:261 44:14
46:2016 47:11 49:688 50:832 52:12 54:42
55:5 56:4 57:29 58:1084 59:569 60:372
61:1453 62:1226 63:1986 64:4346 65:2343 66:4147
67:2110 68:1106 69:3280 70:874 71:487 72:2045
74:2557 75:315 76:305 77:1133 78:1038 79:663
80:1303 81:1037 82:661 83:630 84:580 85:1254
86:382 87:1017 88:563 89:1560 90:150 91:5648
92:622 93:1606 94:2035 95:1604 96:510 97:345
98:1049 99:40 100:30 101:377 103:3523 105:527
106:142 107:215 108:514 109:1932 110:961 111:1104
112:585 113:808 114:724 115:987 116:985 117:803
118:1145 119:1259 120:328 121:739 122:1786 123:1255
124:1341 125:1440 128:637 129:219 130:315 131:657
132:359 133:157 134:544 135:67 136:278 137:239
138:350 139:174 140:169 141:319 142:529 143:395
144:497 145:88 146:520 147:396 148:709 149:367
150:137 151:587 152:411 153:205 154:51 155:501
156:288 157:370 158:279 159:689 160:360 161:453
162:842 163:205 164:629 165:580 166:259 167:634
168:1036 169:124 170:1119 171:182 172:27 173:1589
174:687 175:497 176:1296 177:2437 178:1959 179:215
180:1569 181:842 182:1332 183:463 184:668 185:1008
186:2626 187:1484 188:1863 189:1247 190:7100 192:6978
193:5421 194:4049 195:3366 196:1326 197:1092 198:4678
199:5443 200:6055 201:2456 202:8773 203:8776 204:4467
205:2622 206:2746 207:2759 208:3985 209:3632 210:2907
211:1559 212:2170 213:1995 214:890 215:91 216:5382
217:1689 218:618 219:316 220:1276 221:581 222:325
223:504
End of report
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