Routing Table Report 08:00 +10GMT Fri 27 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 463689
Prefixes after maximum aggregation: 187434
Deaggregation factor: 2.47
Unique aggregates announced to Internet: 231868
Total ASes present in the Internet Routing Table: 40984
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35204
Origin ASes announcing only one prefix: 16308
Transit ASes present in the Internet Routing Table: 5773
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: 2432
Unregistered ASNs in the Routing Table: 455
Number of 32-bit ASNs allocated by the RIRs: 5102
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12050
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 597
Number of addresses announced to Internet: 2665510400
Equivalent to 158 /8s, 224 /16s and 118 /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: 161702
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107310
Total APNIC prefixes after maximum aggregation: 32940
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 109968
Unique aggregates announced from the APNIC address blocks: 46671
APNIC Region origin ASes present in the Internet Routing Table: 4842
APNIC Prefixes per ASN: 22.71
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 813
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: 1
Number of APNIC addresses announced to Internet: 726759168
Equivalent to 43 /8s, 81 /16s and 119 /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: 161375
Total ARIN prefixes after maximum aggregation: 81025
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161963
Unique aggregates announced from the ARIN address blocks: 75545
ARIN Region origin ASes present in the Internet Routing Table: 15850
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6035
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2
Number of ARIN addresses announced to Internet: 1072275968
Equivalent to 63 /8s, 233 /16s and 162 /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: 119005
Total RIPE prefixes after maximum aggregation: 61202
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122548
Unique aggregates announced from the RIPE address blocks: 78924
RIPE Region origin ASes present in the Internet Routing Table: 17418
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8263
RIPE Region transit ASes present in the Internet Routing Table: 2789
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: 1
Number of RIPE addresses announced to Internet: 656657152
Equivalent to 39 /8s, 35 /16s and 203 /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: 51297
Total LACNIC prefixes after maximum aggregation: 9649
LACNIC Deaggregation factor: 5.32
Prefixes being announced from the LACNIC address blocks: 56151
Unique aggregates announced from the LACNIC address blocks: 26241
LACNIC Region origin ASes present in the Internet Routing Table: 2020
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 575
LACNIC Region transit ASes present in the Internet Routing Table: 367
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: 2
Number of LACNIC addresses announced to Internet: 139163648
Equivalent to 8 /8s, 75 /16s and 120 /24s
Percentage of available LACNIC address space announced: 82.9
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: 11840
Total AfriNIC prefixes after maximum aggregation: 2546
AfriNIC Deaggregation factor: 4.65
Prefixes being announced from the AfriNIC address blocks: 12460
Unique aggregates announced from the AfriNIC address blocks: 3968
AfriNIC Region origin ASes present in the Internet Routing Table: 655
AfriNIC Prefixes per ASN: 19.02
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46725376
Equivalent to 2 /8s, 200 /16s and 249 /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 2690 903 91 PT TELEKOMUNIKASI INDONESIA
4766 2130 11554 631 Korea Telecom (KIX)
7545 2069 321 113 TPG Internet Pty Ltd
4755 1801 403 191 TATA Communications formerly
9829 1545 1238 40 BSNL National Internet Backbo
9583 1230 92 508 Sify Limited
9498 1195 309 73 BHARTI Airtel Ltd.
7552 1152 1080 13 Vietel Corporation
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
4808 1073 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 2017 679 125 PaeTec Communications, Inc.
20115 1678 1651 627 Charter Communications
4323 1622 1119 419 Time Warner Telecom
701 1522 11149 796 UUNET Technologies, Inc.
30036 1343 304 626 Mediacom Communications Corp
7018 1317 11261 831 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 1722 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1033 379 794 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 896 2367 428 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 3353 1732 94 NET Servicos de Comunicao S.A
10620 2576 421 249 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1444 844 20 Global Village Telecom
8151 1320 2797 411 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
6503 829 434 65 AVANTEL, S.A.
27947 813 94 95 Telconet S.A
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 753 376 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 3353 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
17974 2690 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2576 421 249 TVCABLE BOGOTA
4766 2130 11554 631 Korea Telecom (KIX)
7545 2069 321 113 TPG Internet Pty Ltd
18566 2063 382 183 Covad Communications
22773 2041 2933 125 Cox Communications, Inc.
1785 2017 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 2690 2599 PT TELEKOMUNIKASI INDONESIA
10620 2576 2327 TVCABLE BOGOTA
7545 2069 1956 TPG Internet Pty Ltd
22773 2041 1916 Cox Communications, Inc.
1785 2017 1892 PaeTec Communications, Inc.
18566 2063 1880 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1722 1705 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 /11:93 /12:251
/13:477 /14:912 /15:1627 /16:12776 /17:6716 /18:11133
/19:22910 /20:32625 /21:35077 /22:49230 /23:42600 /24:246553
/25:9 /26:11 /27:11 /28:131 /29:216 /30:136
/31:0 /32:135
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 1444 1722 OJSC "Vimpelcom"
22773 1327 2041 Cox Communications, Inc.
30036 1201 1343 Mediacom Communications Corp
11492 1189 1230 Cable One
1785 1084 2017 PaeTec Communications, Inc.
6983 1026 1284 ITC^Deltacom
22561 961 1238 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:842 2:870 3:3 4:16 5:973 6:19
8:598 12:1895 13:3 14:843 15:11 16:3
17:13 18:19 20:21 23:443 24:1728 27:1589
31:1476 32:40 33:2 34:5 36:80 37:1838
38:904 39:3 40:179 41:3362 42:249 44:13
46:2001 47:6 49:677 50:835 52:12 54:38
55:9 57:29 58:1087 59:638 60:341 61:1486
62:1184 63:1986 64:4539 65:2352 66:4179 67:2080
68:1084 69:3311 70:867 71:494 72:2001 74:2552
75:330 76:302 77:1139 78:1065 79:633 80:1333
81:1031 82:630 83:583 84:587 85:1285 86:455
87:999 88:548 89:1728 90:158 91:5644 92:603
93:1618 94:1985 95:1612 96:517 97:343 98:1041
99:40 100:30 101:360 103:3345 105:520 106:143
107:208 108:492 109:1886 110:960 111:1117 112:573
113:797 114:702 115:1035 116:964 117:799 118:1167
119:1270 120:354 121:851 122:1803 123:1246 124:1348
125:1429 128:584 129:301 130:310 131:644 132:341
133:162 134:530 135:67 136:271 137:264 138:349
139:178 140:156 141:311 142:534 143:401 144:495
145:100 146:506 147:390 148:692 149:352 150:158
151:584 152:411 153:196 154:48 155:484 156:276
157:371 158:285 159:679 160:348 161:429 162:717
163:208 164:634 165:569 166:258 167:619 168:1043
169:127 170:1075 171:201 172:25 173:1608 174:664
175:489 176:1197 177:2314 178:1886 179:144 180:1537
181:744 182:1274 183:464 184:652 185:888 186:2586
187:1444 188:1887 189:1328 190:7102 192:6898 193:5629
194:4079 195:3338 196:1330 197:1062 198:4632 199:5434
200:6030 201:2547 202:8813 203:8847 204:4449 205:2616
206:2775 207:2829 208:4003 209:3611 210:2855 211:1556
212:2278 213:2028 214:923 215:99 216:5310 217:1654
218:611 219:336 220:1274 221:559 222:324 223:497
End of report