* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 13 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 466909
Prefixes after maximum aggregation: 188063
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 234125
Total ASes present in the Internet Routing Table: 45291
Prefixes per ASN: 10.31
Origin-only ASes present in the Internet Routing Table: 35361
Origin ASes announcing only one prefix: 16308
Transit ASes present in the Internet Routing Table: 5799
Transit-only ASes present in the Internet Routing Table: 136
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: 16239
Unregistered ASNs in the Routing Table: 1200
Number of 32-bit ASNs allocated by the RIRs: 5333
Number of 32-bit ASNs visible in the Routing Table: 4131
Prefixes from 32-bit ASNs in the Routing Table: 12852
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1140
Number of addresses announced to Internet: 2675782144
Equivalent to 159 /8s, 125 /16s and 50 /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: 162316
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107613
Total APNIC prefixes after maximum aggregation: 33224
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110473
Unique aggregates announced from the APNIC address blocks: 47433
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.80
APNIC Region origin ASes announcing only one prefix: 1241
APNIC Region transit ASes present in the Internet Routing Table: 816
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 736
Number of APNIC addresses announced to Internet: 729068288
Equivalent to 43 /8s, 116 /16s and 179 /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: 161459
Total ARIN prefixes after maximum aggregation: 81217
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162372
Unique aggregates announced from the ARIN address blocks: 75928
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: 6014
ARIN Region transit ASes present in the Internet Routing Table: 1593
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: 1073275392
Equivalent to 63 /8s, 248 /16s and 226 /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: 119678
Total RIPE prefixes after maximum aggregation: 61071
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123261
Unique aggregates announced from the RIPE address blocks: 78923
RIPE Region origin ASes present in the Internet Routing Table: 17499
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2799
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: 2470
Number of RIPE addresses announced to Internet: 656841472
Equivalent to 39 /8s, 38 /16s and 155 /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: 52128
Total LACNIC prefixes after maximum aggregation: 9813
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 57180
Unique aggregates announced from the LACNIC address blocks: 26910
LACNIC Region origin ASes present in the Internet Routing Table: 2027
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 551
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: 142667776
Equivalent to 8 /8s, 128 /16s and 240 /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: 11861
Total AfriNIC prefixes after maximum aggregation: 2591
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12482
Unique aggregates announced from the AfriNIC address blocks: 4002
AfriNIC Region origin ASes present in the Internet Routing Table: 681
AfriNIC Prefixes per ASN: 18.33
AfriNIC Region origin ASes announcing only one prefix: 204
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 47955200
Equivalent to 2 /8s, 219 /16s and 189 /24s
Percentage of available AfriNIC address space announced: 47.6
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 2711 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2137 11550 641 Korea Telecom (KIX)
7545 2056 319 111 TPG Internet Pty Ltd
4755 1805 401 187 TATA Communications formerly
9829 1539 1245 45 BSNL National Internet Backbo
9583 1241 94 508 Sify Limited
9498 1198 310 78 BHARTI Airtel Ltd.
7552 1158 1080 13 Vietel Corporation
24560 1095 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 2193 2939 139 Cox Communications, Inc.
18566 2054 379 177 MegaPath Corporation
1785 2038 684 131 PaeTec Communications, Inc.
20115 1682 1653 607 Charter Communications
4323 1645 1114 421 Time Warner Telecom
701 1506 11147 784 MCI Communications Services,
30036 1386 313 577 Mediacom Communications Corp
7018 1338 17794 879 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 1918 544 17 OJSC "Vimpelcom"
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1143 421 862 Akamai Technologies European
31148 1006 44 19 FreeNet ISP
13188 896 99 48 TOV "Bank-Inform"
6849 862 356 30 JSC UKRTELECOM,
8551 796 370 41 Bezeq International
6830 775 2328 427 UPC Distribution Services
12479 679 798 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 3431 1790 86 NET Servicos de Comunicao S.A
10620 2648 429 233 >>UNKNOWN<<
7303 1728 1150 231 Telecom Argentina Stet-France
18881 1552 908 20 Global Village Telecom
8151 1346 2849 409 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 752 303 124 >>UNKNOWN<<
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 877 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 416 956 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 3431 1790 86 NET Servicos de Comunicao S.A
6389 3054 3688 56 BellSouth.net Inc.
17974 2711 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2648 429 233 >>UNKNOWN<<
22773 2193 2939 139 Cox Communications, Inc.
4766 2137 11550 641 Korea Telecom (KIX)
7545 2056 319 111 TPG Internet Pty Ltd
18566 2054 379 177 MegaPath Corporation
1785 2038 684 131 PaeTec Communications, Inc.
8402 1918 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 2711 2622 PT TELEKOMUNIKASI INDONESIA
10620 2648 2415 >>UNKNOWN<<
22773 2193 2054 Cox Communications, Inc.
7545 2056 1945 TPG Internet Pty Ltd
1785 2038 1907 PaeTec Communications, Inc.
8402 1918 1901 OJSC "Vimpelcom"
18566 2054 1877 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
4755 1805 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
62318 UNALLOCATED 5.160.30.0/24 42337 Respina Networks & B
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
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 /12:254
/13:472 /14:924 /15:1625 /16:12802 /17:6751 /18:11260
/19:23065 /20:32853 /21:35410 /22:49358 /23:43516 /24:247795
/25:9 /26:11 /27:12 /28:126 /29:221 /30:154
/31:0 /32:139
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 1590 1918 OJSC "Vimpelcom"
22773 1456 2193 Cox Communications, Inc.
30036 1231 1386 Mediacom Communications Corp
11492 1189 1227 Cable One
1785 1086 2038 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)
----------------------------------------------
1:894 2:894 3:3 4:16 5:1028 6:21
8:612 12:1901 13:3 14:874 15:11 16:3
17:17 18:19 20:21 23:560 24:1737 27:1631
31:1446 32:40 33:2 34:5 36:83 37:1920
38:914 39:5 40:181 41:3308 42:261 44:14
46:2019 47:11 49:687 50:835 52:12 54:42
55:7 56:4 57:29 58:1088 59:570 60:374
61:1451 62:1216 63:1979 64:4336 65:2342 66:4134
67:2113 68:1108 69:3279 70:874 71:488 72:2041
74:2559 75:325 76:307 77:1130 78:1033 79:665
80:1301 81:1035 82:660 83:643 84:584 85:1254
86:417 87:1009 88:557 89:1590 90:150 91:5653
92:617 93:1612 94:2026 95:1639 96:512 97:346
98:1037 99:39 100:30 101:382 103:3555 105:527
106:141 107:215 108:518 109:1947 110:964 111:1111
112:588 113:808 114:728 115:1005 116:992 117:814
118:1175 119:1261 120:328 121:741 122:1787 123:1248
124:1358 125:1432 128:638 129:219 130:315 131:655
132:357 133:158 134:545 135:72 136:282 137:245
138:350 139:173 140:170 141:318 142:529 143:387
144:497 145:89 146:516 147:402 148:714 149:367
150:137 151:587 152:411 153:206 154:53 155:507
156:291 157:369 158:280 159:693 160:359 161:452
162:851 163:205 164:628 165:580 166:259 167:633
168:1036 169:124 170:1117 171:181 172:27 173:1584
174:687 175:503 176:1266 177:2454 178:1962 179:287
180:1578 181:843 182:1344 183:460 184:669 185:1015
186:2652 187:1461 188:1857 189:1258 190:7076 192:6979
193:5417 194:4046 195:3365 196:1339 197:1077 198:4696
199:5447 200:6066 201:2462 202:8808 203:8819 204:4463
205:2626 206:2749 207:2763 208:4008 209:3632 210:2897
211:1559 212:2171 213:1981 214:899 215:90 216:5377
217:1686 218:616 219:316 220:1274 221:578 222:325
223:506
End of report
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