Routing Table Report 08:00 +10GMT Wed 30 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 465191
Prefixes after maximum aggregation: 187612
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233058
Total ASes present in the Internet Routing Table: 45201
Prefixes per ASN: 10.29
Origin-only ASes present in the Internet Routing Table: 35293
Origin ASes announcing only one prefix: 16293
Transit ASes present in the Internet Routing Table: 5839
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 ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 745
Unregistered ASNs in the Routing Table: 205
Number of 32-bit ASNs allocated by the RIRs: 5265
Number of 32-bit ASNs visible in the Routing Table: 4069
Prefixes from 32-bit ASNs in the Routing Table: 12529
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 880
Number of addresses announced to Internet: 2673959168
Equivalent to 159 /8s, 97 /16s and 97 /24s
Percentage of available address space announced: 72.2
Percentage of allocated address space announced: 72.2
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: 161969
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107359
Total APNIC prefixes after maximum aggregation: 33090
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110113
Unique aggregates announced from the APNIC address blocks: 46965
APNIC Region origin ASes present in the Internet Routing Table: 4849
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1231
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: 720
Number of APNIC addresses announced to Internet: 728521984
Equivalent to 43 /8s, 108 /16s and 93 /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: 161360
Total ARIN prefixes after maximum aggregation: 81032
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162368
Unique aggregates announced from the ARIN address blocks: 75823
ARIN Region origin ASes present in the Internet Routing Table: 15859
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6008
ARIN Region transit ASes present in the Internet Routing Table: 1625
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: 29
Number of ARIN addresses announced to Internet: 1073072896
Equivalent to 63 /8s, 245 /16s and 203 /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: 118856
Total RIPE prefixes after maximum aggregation: 61040
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122450
Unique aggregates announced from the RIPE address blocks: 78763
RIPE Region origin ASes present in the Internet Routing Table: 17498
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8305
RIPE Region transit ASes present in the Internet Routing Table: 2805
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2437
Number of RIPE addresses announced to Internet: 656531456
Equivalent to 39 /8s, 33 /16s and 224 /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: 52006
Total LACNIC prefixes after maximum aggregation: 9755
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 56935
Unique aggregates announced from the LACNIC address blocks: 26761
LACNIC Region origin ASes present in the Internet Routing Table: 2028
LACNIC Prefixes per ASN: 28.07
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 377
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: 877
Number of LACNIC addresses announced to Internet: 142149888
Equivalent to 8 /8s, 121 /16s and 9 /24s
Percentage of available LACNIC address space announced: 84.7
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: 11796
Total AfriNIC prefixes after maximum aggregation: 2568
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12443
Unique aggregates announced from the AfriNIC address blocks: 4002
AfriNIC Region origin ASes present in the Internet Routing Table: 670
AfriNIC Prefixes per ASN: 18.57
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 133
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: 48048640
Equivalent to 2 /8s, 221 /16s and 42 /24s
Percentage of available AfriNIC address space announced: 47.7
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 2713 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2087 319 111 TPG Internet Pty Ltd
4755 1797 401 184 TATA Communications formerly
9829 1558 1242 46 BSNL National Internet Backbo
9583 1242 94 511 Sify Limited
9498 1193 310 78 BHARTI Airtel Ltd.
7552 1155 1080 13 Vietel Corporation
24560 1092 380 165 Bharti Airtel Ltd., Telemedia
4808 1080 2023 314 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 3057 3688 56 BellSouth.net Inc.
22773 2188 2941 140 Cox Communications, Inc.
18566 2056 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1680 1653 607 Charter Communications
4323 1623 1117 419 Time Warner Telecom
701 1506 11145 783 MCI Communications Services,
30036 1391 313 576 Mediacom Communications Corp
7018 1348 17796 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 1779 544 17 OJSC "Vimpelcom"
34984 1362 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1098 399 838 Akamai Technologies European
31148 1004 44 21 FreeNet ISP
13188 884 99 58 TOV "Bank-Inform"
6830 772 2327 425 UPC Distribution Services
8551 769 370 41 Bezeq International
12479 687 800 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
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 3465 1782 85 NET Servicos de Comunicao S.A
10620 2635 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1510 844 20 Global Village Telecom
8151 1334 2838 411 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 819 94 93 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 784 434 63 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 410 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 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
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 3465 1782 85 NET Servicos de Comunicao S.A
6389 3057 3688 56 BellSouth.net Inc.
17974 2713 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2635 427 234 TVCABLE BOGOTA
22773 2188 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2087 319 111 TPG Internet Pty Ltd
18566 2056 379 179 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
36998 1854 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 3057 3001 BellSouth.net Inc.
17974 2713 2624 PT TELEKOMUNIKASI INDONESIA
10620 2635 2401 TVCABLE BOGOTA
22773 2188 2048 Cox Communications, Inc.
7545 2087 1976 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2056 1877 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1779 1762 OJSC "Vimpelcom"
4755 1797 1613 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
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
16476 UNALLOCATED 12.46.27.0/24 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.
23.91.80.0/20 21560 Capital Technology Services G
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
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 /14:919 /15:1626 /16:12813 /17:6731 /18:11224
/19:22967 /20:32710 /21:35260 /22:49480 /23:42926 /24:246986
/25:9 /26:11 /27:12 /28:126 /29:223 /30:152
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2056 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3057 BellSouth.net Inc.
8402 1486 1779 OJSC "Vimpelcom"
22773 1454 2188 Cox Communications, Inc.
30036 1239 1391 Mediacom Communications Corp
11492 1199 1240 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 965 1241 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:861 2:865 3:3 4:16 5:1002 6:21
8:604 12:1894 13:3 14:862 15:11 16:3
17:17 18:19 20:21 23:499 24:1740 27:1608
31:1494 32:40 33:2 34:5 36:80 37:1869
38:913 39:4 40:181 41:3285 42:243 44:14
46:2018 47:10 49:682 50:826 52:12 54:41
55:3 56:2 57:29 58:1077 59:570 60:370
61:1455 62:1212 63:1978 64:4546 65:2340 66:4138
67:2113 68:1103 69:3261 70:873 71:488 72:2014
74:2556 75:327 76:306 77:1132 78:1054 79:644
80:1296 81:1017 82:660 83:634 84:579 85:1248
86:413 87:1013 88:564 89:1596 90:155 91:5665
92:615 93:1593 94:2003 95:1597 96:506 97:344
98:1044 99:39 100:30 101:364 103:3495 105:525
106:142 107:214 108:512 109:1928 110:948 111:1094
112:581 113:806 114:723 115:1008 116:985 117:815
118:1162 119:1264 120:359 121:737 122:1784 123:1252
124:1323 125:1435 128:602 129:217 130:314 131:660
132:341 133:158 134:544 135:67 136:277 137:266
138:349 139:174 140:166 141:321 142:529 143:412
144:496 145:88 146:515 147:398 148:700 149:360
150:157 151:586 152:410 153:205 154:51 155:487
156:283 157:372 158:283 159:683 160:357 161:449
162:811 163:206 164:630 165:568 166:259 167:626
168:1040 169:127 170:1125 171:180 172:25 173:1607
174:671 175:499 176:1259 177:2377 178:1932 179:194
180:1572 181:785 182:1331 183:452 184:663 185:956
186:2659 187:1483 188:1829 189:1261 190:7169 192:7018
193:5410 194:4036 195:3319 196:1325 197:1068 198:4681
199:5454 200:6077 201:2522 202:8772 203:8817 204:4457
205:2604 206:2753 207:2791 208:4013 209:3619 210:2918
211:1561 212:2156 213:1974 214:890 215:92 216:5361
217:1694 218:616 219:309 220:1276 221:579 222:324
223:501
End of report