Routing Table Report 08:00 +10GMT Mon 14 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464770
Prefixes after maximum aggregation: 187574
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232776
Total ASes present in the Internet Routing Table: 41052
Prefixes per ASN: 11.32
Origin-only ASes present in the Internet Routing Table: 35238
Origin ASes announcing only one prefix: 16296
Transit ASes present in the Internet Routing Table: 5808
Transit-only ASes present in the Internet Routing Table: 141
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: 333
Unregistered ASNs in the Routing Table: 177
Number of 32-bit ASNs allocated by the RIRs: 5189
Number of 32-bit ASNs visible in the Routing Table: 6
Prefixes from 32-bit ASNs in the Routing Table: 12344
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 741
Number of addresses announced to Internet: 2669187840
Equivalent to 159 /8s, 24 /16s and 147 /24s
Percentage of available address space announced: 72.1
Percentage of allocated address space announced: 72.1
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: 162204
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107514
Total APNIC prefixes after maximum aggregation: 33060
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110215
Unique aggregates announced from the APNIC address blocks: 46714
APNIC Region origin ASes present in the Internet Routing Table: 4845
APNIC Prefixes per ASN: 22.75
APNIC Region origin ASes announcing only one prefix: 1243
APNIC Region transit ASes present in the Internet Routing Table: 812
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: 1
Number of APNIC addresses announced to Internet: 727222272
Equivalent to 43 /8s, 88 /16s and 136 /24s
Percentage of available APNIC address space announced: 85.0
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: 161571
Total ARIN prefixes after maximum aggregation: 80886
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 162126
Unique aggregates announced from the ARIN address blocks: 75911
ARIN Region origin ASes present in the Internet Routing Table: 15833
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6014
ARIN Region transit ASes present in the Internet Routing Table: 1614
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: 2
Number of ARIN addresses announced to Internet: 1072946176
Equivalent to 63 /8s, 243 /16s and 220 /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: 119121
Total RIPE prefixes after maximum aggregation: 61275
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122701
Unique aggregates announced from the RIPE address blocks: 79028
RIPE Region origin ASes present in the Internet Routing Table: 17467
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8284
RIPE Region transit ASes present in the Internet Routing Table: 2798
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: 1
Number of RIPE addresses announced to Internet: 656551424
Equivalent to 39 /8s, 34 /16s and 46 /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: 51601
Total LACNIC prefixes after maximum aggregation: 9725
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 56583
Unique aggregates announced from the LACNIC address blocks: 26535
LACNIC Region origin ASes present in the Internet Routing Table: 2033
LACNIC Prefixes per ASN: 27.83
LACNIC Region origin ASes announcing only one prefix: 567
LACNIC Region transit ASes present in the Internet Routing Table: 374
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1
Number of LACNIC addresses announced to Internet: 140369408
Equivalent to 8 /8s, 93 /16s and 222 /24s
Percentage of available LACNIC address space announced: 83.7
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: 11767
Total AfriNIC prefixes after maximum aggregation: 2531
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 12402
Unique aggregates announced from the AfriNIC address blocks: 3964
AfriNIC Region origin ASes present in the Internet Routing Table: 654
AfriNIC Prefixes per ASN: 18.96
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 131
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: 1
Number of AfriNIC addresses announced to Internet: 47749376
Equivalent to 2 /8s, 216 /16s and 153 /24s
Percentage of available AfriNIC address space announced: 47.4
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 2714 903 90 PT TELEKOMUNIKASI INDONESIA
4766 2142 11555 644 Korea Telecom (KIX)
7545 2079 321 112 TPG Internet Pty Ltd
4755 1810 403 191 TATA Communications formerly
9829 1529 1241 43 BSNL National Internet Backbo
9583 1236 93 511 Sify Limited
9498 1209 310 79 BHARTI Airtel Ltd.
7552 1145 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1075 2020 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 3060 3689 59 BellSouth.net Inc.
22773 2171 2943 141 Cox Communications, Inc.
18566 2063 382 183 Covad Communications
1785 2020 679 126 PaeTec Communications, Inc.
20115 1679 1651 616 Charter Communications
4323 1627 1120 425 Time Warner Telecom
701 1516 11148 791 UUNET Technologies, Inc.
30036 1385 310 568 Mediacom Communications Corp
7018 1341 17531 867 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 1788 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1067 395 818 Akamai Technologies European
31148 992 44 19 FreeNet ISP
6830 897 2366 430 UPC Distribution Services
13188 874 99 62 TOV "Bank-Inform"
8551 765 370 41 Bezeq International
12479 688 799 49 Uni2 Autonomous System
9116 555 327 36 Goldenlines main autonomous s
35228 539 246 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 3393 1752 90 NET Servicos de Comunicao S.A
10620 2602 423 249 TVCABLE BOGOTA
7303 1724 1135 233 Telecom Argentina Stet-France
18881 1462 844 20 Global Village Telecom
8151 1324 2813 414 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 813 94 91 Telconet S.A
6147 801 373 27 Telefonica Del Peru
6503 801 434 64 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 881 274 29 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 426 956 9 TEDATA
24835 292 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 11 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
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 3393 1752 90 NET Servicos de Comunicao S.A
6389 3060 3689 59 BellSouth.net Inc.
17974 2714 903 90 PT TELEKOMUNIKASI INDONESIA
10620 2602 423 249 TVCABLE BOGOTA
22773 2171 2943 141 Cox Communications, Inc.
4766 2142 11555 644 Korea Telecom (KIX)
7545 2079 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
1785 2020 679 126 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 3060 3001 BellSouth.net Inc.
17974 2714 2624 PT TELEKOMUNIKASI INDONESIA
10620 2602 2353 TVCABLE BOGOTA
22773 2171 2030 Cox Communications, Inc.
7545 2079 1967 TPG Internet Pty Ltd
1785 2020 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1788 1771 OJSC "Vimpelcom"
4755 1810 1619 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
30031 UNALLOCATED 12.27.122.0/24 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 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
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 /12:252
/13:479 /14:914 /15:1628 /16:12796 /17:6728 /18:11176
/19:22962 /20:32573 /21:35222 /22:49533 /23:42682 /24:247022
/25:9 /26:11 /27:11 /28:126 /29:216 /30:145
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2014 2063 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3060 BellSouth.net Inc.
8402 1495 1788 OJSC "Vimpelcom"
22773 1441 2171 Cox Communications, Inc.
30036 1240 1385 Mediacom Communications Corp
11492 1192 1233 Cable One
1785 1085 2020 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 964 1237 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:841 2:852 3:3 4:16 5:995 6:20
8:605 12:1894 13:3 14:849 15:11 16:3
17:17 18:19 20:21 23:469 24:1719 27:1613
31:1475 32:40 33:2 34:5 36:81 37:1821
38:908 39:3 40:181 41:3262 42:248 44:14
46:2019 47:7 49:682 50:824 52:12 54:39
55:3 56:2 57:29 58:1089 59:633 60:356
61:1488 62:1191 63:1975 64:4545 65:2347 66:4166
67:2122 68:1098 69:3285 70:872 71:495 72:2017
74:2568 75:327 76:307 77:1137 78:1083 79:649
80:1331 81:1020 82:633 83:588 84:596 85:1196
86:453 87:1027 88:556 89:1740 90:155 91:5646
92:607 93:1605 94:2030 95:1632 96:518 97:342
98:1047 99:39 100:30 101:364 103:3382 105:522
106:143 107:211 108:493 109:1902 110:958 111:1129
112:575 113:790 114:691 115:1064 116:974 117:806
118:1172 119:1260 120:366 121:851 122:1792 123:1216
124:1343 125:1429 128:599 129:216 130:310 131:662
132:341 133:158 134:536 135:67 136:275 137:237
138:348 139:176 140:169 141:301 142:532 143:408
144:493 145:96 146:512 147:391 148:691 149:352
150:155 151:613 152:414 153:201 154:47 155:486
156:280 157:369 158:283 159:685 160:350 161:437
162:772 163:206 164:626 165:549 166:258 167:622
168:1039 169:126 170:1117 171:190 172:25 173:1614
174:671 175:496 176:1225 177:2373 178:1927 179:176
180:1557 181:756 182:1331 183:481 184:653 185:936
186:2599 187:1504 188:1862 189:1322 190:7182 192:6994
193:5422 194:4031 195:3321 196:1320 197:1081 198:4679
199:5433 200:6073 201:2533 202:8786 203:8817 204:4450
205:2592 206:2753 207:2847 208:3994 209:3629 210:2859
211:1568 212:2226 213:2021 214:900 215:99 216:5334
217:1689 218:612 219:328 220:1276 221:569 222:324
223:496
End of report