Routing Table Report 08:00 +10GMT Wed 27 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 468188
Prefixes after maximum aggregation: 188151
Deaggregation factor: 2.49
Unique aggregates announced to Internet: 234489
Total ASes present in the Internet Routing Table: 41228
Prefixes per ASN: 11.36
Origin-only ASes present in the Internet Routing Table: 35414
Origin ASes announcing only one prefix: 16317
Transit ASes present in the Internet Routing Table: 5814
Transit-only ASes present in the Internet Routing Table: 142
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: 1009
Unregistered ASNs in the Routing Table: 278
Number of 32-bit ASNs allocated by the RIRs: 5400
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 13191
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 1231
Number of addresses announced to Internet: 2676520704
Equivalent to 159 /8s, 136 /16s and 119 /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: 95.3
Total number of prefixes smaller than registry allocations: 162825
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108043
Total APNIC prefixes after maximum aggregation: 33287
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110976
Unique aggregates announced from the APNIC address blocks: 47555
APNIC Region origin ASes present in the Internet Routing Table: 4846
APNIC Prefixes per ASN: 22.90
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 819
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 727775744
Equivalent to 43 /8s, 96 /16s and 250 /24s
Percentage of available APNIC address space announced: 85.1
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: 161559
Total ARIN prefixes after maximum aggregation: 81263
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162447
Unique aggregates announced from the ARIN address blocks: 75821
ARIN Region origin ASes present in the Internet Routing Table: 15878
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: 1592
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: 0
Number of ARIN addresses announced to Internet: 1073615872
Equivalent to 63 /8s, 254 /16s and 20 /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: 119625
Total RIPE prefixes after maximum aggregation: 60986
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123333
Unique aggregates announced from the RIPE address blocks: 78824
RIPE Region origin ASes present in the Internet Routing Table: 17524
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8306
RIPE Region transit ASes present in the Internet Routing Table: 2813
Average RIPE Region AS path length visible: 3.6
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 655993344
Equivalent to 39 /8s, 25 /16s and 170 /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: 52499
Total LACNIC prefixes after maximum aggregation: 9839
LACNIC Deaggregation factor: 5.34
Prefixes being announced from the LACNIC address blocks: 57686
Unique aggregates announced from the LACNIC address blocks: 27286
LACNIC Region origin ASes present in the Internet Routing Table: 2035
LACNIC Prefixes per ASN: 28.35
LACNIC Region origin ASes announcing only one prefix: 552
LACNIC Region transit ASes present in the Internet Routing Table: 376
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 144002816
Equivalent to 8 /8s, 149 /16s and 79 /24s
Percentage of available LACNIC address space announced: 85.8
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: 11872
Total AfriNIC prefixes after maximum aggregation: 2579
AfriNIC Deaggregation factor: 4.60
Prefixes being announced from the AfriNIC address blocks: 12514
Unique aggregates announced from the AfriNIC address blocks: 4015
AfriNIC Region origin ASes present in the Internet Routing Table: 686
AfriNIC Prefixes per ASN: 18.24
AfriNIC Region origin ASes announcing only one prefix: 208
AfriNIC Region transit ASes present in the Internet Routing Table: 137
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: 0
Number of AfriNIC addresses announced to Internet: 48713472
Equivalent to 2 /8s, 231 /16s and 79 /24s
Percentage of available AfriNIC address space announced: 48.4
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 2715 902 88 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2080 319 109 TPG Internet Pty Ltd
4755 1806 401 186 TATA Communications formerly
9829 1544 1245 45 BSNL National Internet Backbo
9583 1236 95 504 Sify Limited
9498 1214 309 74 BHARTI Airtel Ltd.
7552 1163 1080 13 Vietel Corporation
24560 1096 382 166 Bharti Airtel Ltd., Telemedia
4808 1060 2014 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 3042 3688 53 BellSouth.net Inc.
22773 2208 2939 137 Cox Communications, Inc.
18566 2052 379 177 MegaPath Corporation
1785 2044 685 132 PaeTec Communications, Inc.
20115 1681 1653 602 Charter Communications
4323 1650 1114 420 Time Warner Telecom
701 1508 11145 784 MCI Communications Services,
30036 1393 314 576 Mediacom Communications Corp
7018 1342 17798 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 16 OJSC "Vimpelcom"
34984 1366 244 225 TELLCOM ILETISIM HIZMETLERI A
20940 1177 443 888 Akamai Technologies European
31148 1009 45 19 FreeNet ISP
13188 895 99 48 TOV "Bank-Inform"
6849 857 363 39 JSC UKRTELECOM,
8551 799 370 41 Bezeq International
6830 775 2327 427 UPC Distribution Services
12479 675 798 53 Uni2 Autonomous System
9116 554 326 35 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 3381 1801 89 NET Servicos de Comunicao S.A
10620 2671 433 213 Telmex Colombia S.A.
7303 1729 1151 232 Telecom Argentina Stet-France
18881 1668 908 20 Global Village Telecom
8151 1346 2848 415 UniNet S.A. de C.V.
11830 867 364 15 Instituto Costarricense de El
27947 819 94 91 Telconet S.A
6147 787 373 27 Telefonica Del Peru
6503 783 434 62 AVANTEL, S.A.
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 868 338 26 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 412 956 9 TEDATA
24835 297 144 9 RAYA Telecom - Egypt
3741 256 921 214 The Internet Solution
29571 227 17 14 Ci Telecom Autonomous system
36992 222 501 29 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
37054 212 11 5 Data Telecom Service
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 3381 1801 89 NET Servicos de Comunicao S.A
6389 3042 3688 53 BellSouth.net Inc.
17974 2715 902 88 PT TELEKOMUNIKASI INDONESIA
10620 2671 433 213 Telmex Colombia S.A.
22773 2208 2939 137 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2080 319 109 TPG Internet Pty Ltd
18566 2052 379 177 MegaPath Corporation
1785 2044 685 132 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 3042 2989 BellSouth.net Inc.
17974 2715 2627 PT TELEKOMUNIKASI INDONESIA
10620 2671 2458 Telmex Colombia S.A.
22773 2208 2071 Cox Communications, Inc.
7545 2080 1971 TPG Internet Pty Ltd
1785 2044 1912 PaeTec Communications, Inc.
18566 2052 1875 MegaPath Corporation
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1863 1847 OJSC "Vimpelcom"
18881 1668 1648 Global Village Telecom
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
62861 UNALLOCATED 12.37.197.0/24 7018 AT&T WorldNet Servic
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.
23.91.0.0/19 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.
23.91.120.0/21 36351 SoftLayer Technologies 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 /14:927 /15:1628 /16:12807 /17:6797 /18:11286
/19:23092 /20:32968 /21:35579 /22:49605 /23:43584 /24:248362
/25:8 /26:11 /27:12 /28:125 /29:224 /30:155
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2006 2052 MegaPath Corporation
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1700 3042 BellSouth.net Inc.
8402 1551 1863 OJSC "Vimpelcom"
22773 1463 2208 Cox Communications, Inc.
30036 1235 1393 Mediacom Communications Corp
11492 1195 1233 Cable One
1785 1088 2044 PaeTec Communications, Inc.
6983 1035 1293 ITC^Deltacom
22561 962 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:901 2:882 3:3 4:16 5:992 6:21
8:605 12:1872 13:3 14:877 15:11 16:3
17:18 18:19 20:25 23:596 24:1758 27:1712
31:1519 32:40 33:2 34:5 36:87 37:1937
38:911 39:5 40:182 41:3337 42:287 44:14
46:2034 47:11 49:694 50:854 52:12 54:44
55:5 56:4 57:29 58:1091 59:574 60:365
61:1463 62:1250 63:1973 64:4378 65:2346 66:4151
67:2091 68:1086 69:3291 70:892 71:487 72:2017
74:2576 75:318 76:304 77:1126 78:1048 79:659
80:1284 81:1047 82:640 83:682 84:585 85:1250
86:379 87:1024 88:553 89:1566 90:152 91:5691
92:611 93:1606 94:2081 95:1537 96:516 97:347
98:1065 99:41 100:31 101:404 103:3657 105:528
106:142 107:218 108:518 109:1991 110:975 111:1110
112:568 113:811 114:744 115:1018 116:986 117:798
118:1186 119:1271 120:331 121:713 122:1726 123:1263
124:1383 125:1431 128:623 129:222 130:335 131:660
132:347 133:158 134:292 135:72 136:277 137:246
138:351 139:176 140:170 141:322 142:533 143:396
144:491 145:90 146:522 147:405 148:727 149:370
150:152 151:648 152:412 153:205 154:54 155:502
156:301 157:369 158:282 159:693 160:361 161:451
162:865 163:206 164:617 165:580 166:261 167:630
168:1036 169:124 170:1107 171:184 172:27 173:1627
174:665 175:513 176:1308 177:2504 178:1871 179:305
180:1589 181:861 182:1392 183:458 184:629 185:1066
186:2655 187:1464 188:1825 189:1257 190:7232 192:7012
193:5435 194:4036 195:3363 196:1333 197:1064 198:4701
199:5469 200:5951 201:2515 202:8809 203:8829 204:4475
205:2634 206:2752 207:2740 208:3954 209:3615 210:2925
211:1568 212:2172 213:1985 214:892 215:86 216:5376
217:1708 218:618 219:316 220:1273 221:584 222:324
223:502
End of report