Routing Table Report 08:00 +10GMT Fri 01 Nov, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 465756
Prefixes after maximum aggregation: 187575
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233236
Total ASes present in the Internet Routing Table: 45221
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 35290
Origin ASes announcing only one prefix: 16290
Transit ASes present in the Internet Routing Table: 5842
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 ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 749
Unregistered ASNs in the Routing Table: 208
Number of 32-bit ASNs allocated by the RIRs: 5276
Number of 32-bit ASNs visible in the Routing Table: 4089
Prefixes from 32-bit ASNs in the Routing Table: 12589
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 907
Number of addresses announced to Internet: 2674222080
Equivalent to 159 /8s, 101 /16s and 100 /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: 162369
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107372
Total APNIC prefixes after maximum aggregation: 33098
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 110153
Unique aggregates announced from the APNIC address blocks: 47034
APNIC Region origin ASes present in the Internet Routing Table: 4848
APNIC Prefixes per ASN: 22.72
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: 725
Number of APNIC addresses announced to Internet: 728644352
Equivalent to 43 /8s, 110 /16s and 59 /24s
Percentage of available APNIC address space announced: 85.2
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: 161173
Total ARIN prefixes after maximum aggregation: 80971
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162172
Unique aggregates announced from the ARIN address blocks: 75815
ARIN Region origin ASes present in the Internet Routing Table: 15857
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: 1616
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: 32
Number of ARIN addresses announced to Internet: 1073036032
Equivalent to 63 /8s, 245 /16s and 59 /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: 119474
Total RIPE prefixes after maximum aggregation: 61054
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 123072
Unique aggregates announced from the RIPE address blocks: 78843
RIPE Region origin ASes present in the Internet Routing Table: 17505
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8304
RIPE Region transit ASes present in the Internet Routing Table: 2821
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: 2448
Number of RIPE addresses announced to Internet: 656582912
Equivalent to 39 /8s, 34 /16s and 169 /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: 52038
Total LACNIC prefixes after maximum aggregation: 9761
LACNIC Deaggregation factor: 5.33
Prefixes being announced from the LACNIC address blocks: 56989
Unique aggregates announced from the LACNIC address blocks: 26789
LACNIC Region origin ASes present in the Internet Routing Table: 2024
LACNIC Prefixes per ASN: 28.16
LACNIC Region origin ASes announcing only one prefix: 549
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: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 878
Number of LACNIC addresses announced to Internet: 142213632
Equivalent to 8 /8s, 122 /16s and 2 /24s
Percentage of available LACNIC address space announced: 84.8
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: 11819
Total AfriNIC prefixes after maximum aggregation: 2562
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12461
Unique aggregates announced from the AfriNIC address blocks: 3999
AfriNIC Region origin ASes present in the Internet Routing Table: 669
AfriNIC Prefixes per ASN: 18.63
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 48050688
Equivalent to 2 /8s, 221 /16s and 50 /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 2715 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2092 319 112 TPG Internet Pty Ltd
4755 1800 401 184 TATA Communications formerly
9829 1548 1242 48 BSNL National Internet Backbo
9583 1242 94 511 Sify Limited
9498 1196 310 78 BHARTI Airtel Ltd.
7552 1155 1080 13 Vietel Corporation
24560 1092 380 165 Bharti Airtel Ltd., Telemedia
4808 1083 2023 316 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 3056 3688 56 BellSouth.net Inc.
22773 2190 2939 139 Cox Communications, Inc.
18566 2055 379 178 MegaPath Corporation
1785 2036 684 130 PaeTec Communications, Inc.
20115 1681 1654 607 Charter Communications
4323 1629 1118 422 Time Warner Telecom
701 1506 11145 783 MCI Communications Services,
30036 1386 312 576 Mediacom Communications Corp
7018 1347 17796 878 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 1786 544 17 OJSC "Vimpelcom"
34984 1364 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1123 411 854 Akamai Technologies European
31148 1005 44 18 FreeNet ISP
13188 887 99 49 TOV "Bank-Inform"
6830 774 2328 426 UPC Distribution Services
8551 771 370 41 Bezeq International
6849 725 356 30 JSC UKRTELECOM,
12479 675 798 55 Uni2 Autonomous System
9116 555 327 36 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 3437 1783 83 NET Servicos de Comunicao S.A
10620 2636 427 234 TVCABLE BOGOTA
7303 1724 1144 233 Telecom Argentina Stet-France
18881 1526 844 20 Global Village Telecom
8151 1334 2838 408 UniNet S.A. de C.V.
11830 866 364 15 Instituto Costarricense de El
27947 819 94 93 Telconet S.A
6147 793 373 27 Telefonica Del Peru
6503 785 434 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 884 338 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 3437 1783 83 NET Servicos de Comunicao S.A
6389 3056 3688 56 BellSouth.net Inc.
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2636 427 234 TVCABLE BOGOTA
22773 2190 2939 139 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2092 319 112 TPG Internet Pty Ltd
18566 2055 379 178 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 3056 3000 BellSouth.net Inc.
17974 2715 2626 PT TELEKOMUNIKASI INDONESIA
10620 2636 2402 TVCABLE BOGOTA
22773 2190 2051 Cox Communications, Inc.
7545 2092 1980 TPG Internet Pty Ltd
1785 2036 1906 PaeTec Communications, Inc.
18566 2055 1877 MegaPath Corporation
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1786 1769 OJSC "Vimpelcom"
4755 1800 1616 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
23.91.14.0/24 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 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
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 /14:923 /15:1627 /16:12813 /17:6758 /18:11230
/19:22969 /20:32692 /21:35371 /22:49674 /23:43270 /24:246881
/25:9 /26:11 /27:12 /28:125 /29:222 /30:152
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2055 MegaPath Corporation
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3056 BellSouth.net Inc.
8402 1491 1786 OJSC "Vimpelcom"
22773 1456 2190 Cox Communications, Inc.
30036 1234 1386 Mediacom Communications Corp
11492 1200 1241 Cable One
1785 1086 2036 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 966 1243 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:874 2:873 3:3 4:16 5:1007 6:21
8:606 12:1893 13:3 14:864 15:11 16:3
17:17 18:19 20:21 23:500 24:1740 27:1610
31:1495 32:40 33:2 34:5 36:80 37:1878
38:915 39:4 40:181 41:3291 42:244 44:14
46:2019 47:10 49:681 50:832 52:12 54:42
55:3 56:2 57:29 58:1077 59:571 60:370
61:1452 62:1210 63:1982 64:4366 65:2344 66:4139
67:2097 68:1102 69:3262 70:873 71:488 72:2037
74:2556 75:328 76:306 77:1133 78:1057 79:641
80:1296 81:1017 82:677 83:632 84:580 85:1251
86:420 87:1010 88:563 89:1605 90:150 91:5667
92:610 93:1597 94:2008 95:1594 96:509 97:346
98:1045 99:39 100:30 101:366 103:3480 105:528
106:142 107:214 108:517 109:1911 110:948 111:1099
112:583 113:809 114:723 115:1001 116:972 117:811
118:1141 119:1261 120:359 121:738 122:1785 123:1253
124:1336 125:1437 128:601 129:219 130:314 131:656
132:341 133:158 134:542 135:67 136:278 137:265
138:350 139:173 140:164 141:323 142:527 143:343
144:483 145:87 146:516 147:391 148:700 149:366
150:157 151:586 152:411 153:204 154:51 155:488
156:283 157:373 158:283 159:683 160:359 161:453
162:819 163:205 164:631 165:568 166:258 167:625
168:1039 169:127 170:1130 171:182 172:25 173:1608
174:687 175:503 176:1258 177:2358 178:1941 179:195
180:1568 181:787 182:1334 183:454 184:663 185:984
186:2658 187:1462 188:1818 189:1269 190:7208 192:7026
193:5412 194:4032 195:3339 196:1326 197:1070 198:4691
199:5450 200:6075 201:2528 202:8775 203:8842 204:4461
205:2624 206:2748 207:2758 208:4011 209:3630 210:2920
211:1560 212:2140 213:1981 214:881 215:90 216:5336
217:1695 218:617 219:314 220:1273 221:579 222:324
223:503
End of report