Routing Table Report 08:00 +10GMT Sat 28 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463576
Prefixes after maximum aggregation: 187362
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 231915
Total ASes present in the Internet Routing Table: 40976
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35185
Origin ASes announcing only one prefix: 16312
Transit ASes present in the Internet Routing Table: 5783
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: 27
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 2161
Unregistered ASNs in the Routing Table: 397
Number of 32-bit ASNs allocated by the RIRs: 5110
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 12008
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 603
Number of addresses announced to Internet: 2665712128
Equivalent to 158 /8s, 227 /16s and 138 /24s
Percentage of available address space announced: 72.0
Percentage of allocated address space announced: 72.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 161567
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107378
Total APNIC prefixes after maximum aggregation: 32937
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 110054
Unique aggregates announced from the APNIC address blocks: 46597
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1239
APNIC Region transit ASes present in the Internet Routing Table: 811
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 2
Number of APNIC addresses announced to Internet: 726436096
Equivalent to 43 /8s, 76 /16s and 137 /24s
Percentage of available APNIC address space announced: 84.9
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: 161327
Total ARIN prefixes after maximum aggregation: 80980
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161905
Unique aggregates announced from the ARIN address blocks: 75788
ARIN Region origin ASes present in the Internet Routing Table: 15844
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6032
ARIN Region transit ASes present in the Internet Routing Table: 1598
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: 1072484864
Equivalent to 63 /8s, 236 /16s and 210 /24s
Percentage of available ARIN address space announced: 56.7
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: 118806
Total RIPE prefixes after maximum aggregation: 61192
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122361
Unique aggregates announced from the RIPE address blocks: 78817
RIPE Region origin ASes present in the Internet Routing Table: 17418
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8274
RIPE Region transit ASes present in the Internet Routing Table: 2786
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1
Number of RIPE addresses announced to Internet: 656930816
Equivalent to 39 /8s, 39 /16s and 248 /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: 51356
Total LACNIC prefixes after maximum aggregation: 9643
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 56159
Unique aggregates announced from the LACNIC address blocks: 26215
LACNIC Region origin ASes present in the Internet Routing Table: 2015
LACNIC Prefixes per ASN: 27.87
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 371
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 139233024
Equivalent to 8 /8s, 76 /16s and 135 /24s
Percentage of available LACNIC address space announced: 83.0
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: 11878
Total AfriNIC prefixes after maximum aggregation: 2537
AfriNIC Deaggregation factor: 4.68
Prefixes being announced from the AfriNIC address blocks: 12492
Unique aggregates announced from the AfriNIC address blocks: 3975
AfriNIC Region origin ASes present in the Internet Routing Table: 659
AfriNIC Prefixes per ASN: 18.96
AfriNIC Region origin ASes announcing only one prefix: 192
AfriNIC Region transit ASes present in the Internet Routing Table: 137
Average AfriNIC Region AS path length visible: 3.3
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: 46757376
Equivalent to 2 /8s, 201 /16s and 118 /24s
Percentage of available AfriNIC address space announced: 46.4
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 2691 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2135 11554 635 Korea Telecom (KIX)
7545 2069 321 112 TPG Internet Pty Ltd
4755 1801 403 191 TATA Communications formerly
9829 1551 1238 40 BSNL National Internet Backbo
9583 1223 92 509 Sify Limited
7552 1208 1178 18 Vietel Corporation
9498 1196 309 73 BHARTI Airtel Ltd.
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
4808 1077 2020 312 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 3061 3689 59 BellSouth.net Inc.
18566 2063 382 183 Covad Communications
22773 2041 2933 125 Cox Communications, Inc.
1785 2019 679 125 PaeTec Communications, Inc.
20115 1680 1651 628 Charter Communications
4323 1621 1119 419 Time Warner Telecom
701 1522 11149 796 UUNET Technologies, Inc.
30036 1344 304 625 Mediacom Communications Corp
7018 1313 11260 829 AT&T WorldNet Services
6983 1284 740 577 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 1717 544 17 OJSC "Vimpelcom"
34984 1364 244 222 TELLCOM ILETISIM HIZMETLERI A
20940 1041 382 799 Akamai Technologies European
31148 989 43 19 FreeNet ISP
6830 893 2365 427 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 756 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
9116 553 326 34 Goldenlines main autonomous s
35228 526 246 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 3366 1732 94 NET Servicos de Comunicao S.A
10620 2584 421 246 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1441 844 20 Global Village Telecom
8151 1321 2799 410 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 829 434 65 AVANTEL, S.A.
27947 814 94 95 Telconet S.A
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 770 376 21 Telefonica Del Peru
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 880 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
37054 211 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 3366 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
17974 2691 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2584 421 246 TVCABLE BOGOTA
4766 2135 11554 635 Korea Telecom (KIX)
7545 2069 321 112 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2041 2933 125 Cox Communications, Inc.
1785 2019 679 125 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 3061 3002 BellSouth.net Inc.
17974 2691 2600 PT TELEKOMUNIKASI INDONESIA
10620 2584 2338 TVCABLE BOGOTA
7545 2069 1957 TPG Internet Pty Ltd
22773 2041 1916 Cox Communications, Inc.
1785 2019 1894 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1717 1700 OJSC "Vimpelcom"
4755 1801 1610 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
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,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 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.
23.91.96.0/20 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
23.91.168.0/22 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 /12:251
/13:477 /14:913 /15:1628 /16:12778 /17:6714 /18:11135
/19:22895 /20:32598 /21:35078 /22:49249 /23:42593 /24:246464
/25:9 /26:11 /27:11 /28:131 /29:217 /30:135
/31:0 /32:137
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 1711 3061 BellSouth.net Inc.
8402 1438 1717 OJSC "Vimpelcom"
22773 1327 2041 Cox Communications, Inc.
30036 1202 1344 Mediacom Communications Corp
11492 1190 1231 Cable One
1785 1085 2019 PaeTec Communications, Inc.
6983 1026 1284 ITC^Deltacom
22561 960 1237 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:839 2:877 3:3 4:16 5:973 6:19
8:601 12:1892 13:3 14:843 15:11 16:3
17:13 18:19 20:21 23:446 24:1727 27:1589
31:1476 32:40 33:2 34:5 36:80 37:1819
38:902 39:3 40:179 41:3369 42:249 44:13
46:2003 47:6 49:677 50:830 52:12 54:39
55:5 57:29 58:1087 59:638 60:341 61:1480
62:1188 63:1986 64:4547 65:2354 66:4177 67:2078
68:1085 69:3313 70:868 71:494 72:2001 74:2558
75:330 76:303 77:1131 78:1051 79:638 80:1328
81:1032 82:630 83:571 84:590 85:1267 86:455
87:996 88:551 89:1718 90:158 91:5621 92:603
93:1612 94:1971 95:1592 96:517 97:343 98:1041
99:40 100:30 101:360 103:3348 105:520 106:143
107:208 108:492 109:1881 110:958 111:1119 112:575
113:798 114:709 115:1041 116:963 117:797 118:1166
119:1271 120:357 121:852 122:1805 123:1240 124:1350
125:1425 128:582 129:301 130:310 131:645 132:341
133:161 134:531 135:67 136:271 137:264 138:350
139:178 140:156 141:312 142:533 143:390 144:499
145:100 146:506 147:390 148:690 149:352 150:157
151:583 152:410 153:197 154:48 155:485 156:276
157:363 158:285 159:681 160:348 161:426 162:704
163:208 164:630 165:568 166:258 167:620 168:1042
169:127 170:1076 171:201 172:25 173:1611 174:664
175:489 176:1197 177:2310 178:1883 179:145 180:1536
181:746 182:1313 183:463 184:654 185:892 186:2576
187:1446 188:1891 189:1325 190:7114 192:6891 193:5625
194:4077 195:3337 196:1330 197:1067 198:4631 199:5433
200:6055 201:2541 202:8828 203:8839 204:4437 205:2612
206:2778 207:2831 208:4005 209:3607 210:2847 211:1561
212:2280 213:2027 214:922 215:99 216:5311 217:1656
218:612 219:336 220:1275 221:565 222:324 223:498
End of report
