Routing Table Report 08:00 +10GMT Mon 28 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 464436
Prefixes after maximum aggregation: 187495
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232746
Total ASes present in the Internet Routing Table: 41115
Prefixes per ASN: 11.30
Origin-only ASes present in the Internet Routing Table: 35275
Origin ASes announcing only one prefix: 16293
Transit ASes present in the Internet Routing Table: 5832
Transit-only ASes present in the Internet Routing Table: 138
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 55644) 25
Prefixes from unregistered ASNs in the Routing Table: 743
Unregistered ASNs in the Routing Table: 204
Number of 32-bit ASNs allocated by the RIRs: 5263
Number of 32-bit ASNs visible in the Routing Table: 8
Prefixes from 32-bit ASNs in the Routing Table: 12434
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 855
Number of addresses announced to Internet: 2672587520
Equivalent to 159 /8s, 76 /16s and 115 /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: 161689
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107258
Total APNIC prefixes after maximum aggregation: 33047
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109984
Unique aggregates announced from the APNIC address blocks: 46805
APNIC Region origin ASes present in the Internet Routing Table: 4846
APNIC Prefixes per ASN: 22.70
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: 2
Number of APNIC addresses announced to Internet: 728338176
Equivalent to 43 /8s, 105 /16s and 143 /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: 161282
Total ARIN prefixes after maximum aggregation: 80975
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162284
Unique aggregates announced from the ARIN address blocks: 75846
ARIN Region origin ASes present in the Internet Routing Table: 15850
ARIN Prefixes per ASN: 10.24
ARIN Region origin ASes announcing only one prefix: 6012
ARIN Region transit ASes present in the Internet Routing Table: 1618
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: 1073155328
Equivalent to 63 /8s, 247 /16s and 13 /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: 118678
Total RIPE prefixes after maximum aggregation: 60989
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122271
Unique aggregates announced from the RIPE address blocks: 78656
RIPE Region origin ASes present in the Internet Routing Table: 17492
RIPE Prefixes per ASN: 6.99
RIPE Region origin ASes announcing only one prefix: 8298
RIPE Region transit ASes present in the Internet Routing Table: 2812
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: 656432384
Equivalent to 39 /8s, 32 /16s and 93 /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: 51831
Total LACNIC prefixes after maximum aggregation: 9797
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 56713
Unique aggregates announced from the LACNIC address blocks: 26714
LACNIC Region origin ASes present in the Internet Routing Table: 2029
LACNIC Prefixes per ASN: 27.95
LACNIC Region origin ASes announcing only one prefix: 557
LACNIC Region transit ASes present in the Internet Routing Table: 375
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 141024512
Equivalent to 8 /8s, 103 /16s and 221 /24s
Percentage of available LACNIC address space announced: 84.1
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: 11686
Total AfriNIC prefixes after maximum aggregation: 2562
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12327
Unique aggregates announced from the AfriNIC address blocks: 3998
AfriNIC Region origin ASes present in the Internet Routing Table: 666
AfriNIC Prefixes per ASN: 18.51
AfriNIC Region origin ASes announcing only one prefix: 195
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: 1
Number of AfriNIC addresses announced to Internet: 48030720
Equivalent to 2 /8s, 220 /16s and 228 /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 2084 319 111 TPG Internet Pty Ltd
4755 1796 400 183 TATA Communications formerly
9829 1543 1241 45 BSNL National Internet Backbo
9583 1242 94 511 Sify Limited
9498 1192 310 78 BHARTI Airtel Ltd.
7552 1146 1080 13 Vietel Corporation
24560 1091 380 164 Bharti Airtel Ltd., Telemedia
4808 1077 2022 313 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 3059 3689 58 BellSouth.net Inc.
22773 2187 2941 140 Cox Communications, Inc.
18566 2056 379 179 Covad Communications
1785 2035 684 130 PaeTec Communications, Inc.
20115 1682 1653 608 Charter Communications
4323 1621 1117 419 Time Warner Telecom
701 1508 11145 785 UUNET Technologies, Inc.
30036 1386 313 577 Mediacom Communications Corp
7018 1346 17795 875 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 1791 544 17 OJSC "Vimpelcom"
34984 1362 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1098 399 838 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 884 99 58 TOV "Bank-Inform"
6830 773 2328 426 UPC Distribution Services
8551 767 370 41 Bezeq International
12479 685 800 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 3462 1782 89 NET Servicos de Comunicao S.A
10620 2630 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1490 844 20 Global Village Telecom
8151 1335 2838 412 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 817 94 93 Telconet S.A
6147 794 373 27 Telefonica Del Peru
6503 785 434 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 1854 112 5 Sudanese Mobile Telephone (ZA
24863 885 338 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 409 956 9 TEDATA
24835 294 144 9 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
36992 226 501 29 Etisalat MISR
29571 224 17 12 Ci Telecom Autonomous system
15706 219 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 3462 1782 89 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2715 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2630 427 234 TVCABLE BOGOTA
22773 2187 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2084 319 111 TPG Internet Pty Ltd
18566 2056 379 179 Covad Communications
1785 2035 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 3059 3001 BellSouth.net Inc.
17974 2715 2626 PT TELEKOMUNIKASI INDONESIA
10620 2630 2396 TVCABLE BOGOTA
22773 2187 2047 Cox Communications, Inc.
7545 2084 1973 TPG Internet Pty Ltd
1785 2035 1905 PaeTec Communications, Inc.
18566 2056 1877 Covad Communications
36998 1854 1849 Sudanese Mobile Telephone (ZA
8402 1791 1774 OJSC "Vimpelcom"
4755 1796 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 UUNET Technologies,
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 /12:254
/13:476 /14:920 /15:1628 /16:12805 /17:6735 /18:11229
/19:22932 /20:32532 /21:35203 /22:49407 /23:42848 /24:246660
/25:9 /26:11 /27:12 /28:126 /29:217 /30:147
/31:0 /32:133
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2056 Covad Communications
36998 1819 1854 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1497 1791 OJSC "Vimpelcom"
22773 1453 2187 Cox Communications, Inc.
30036 1234 1386 Mediacom Communications Corp
11492 1197 1238 Cable One
1785 1085 2035 PaeTec Communications, Inc.
6983 1034 1293 ITC^Deltacom
22561 963 1239 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:853 2:869 3:3 4:16 5:992 6:20
8:604 12:1890 13:3 14:859 15:11 16:3
17:17 18:19 20:21 23:490 24:1736 27:1605
31:1492 32:40 33:2 34:5 36:81 37:1840
38:914 39:4 40:181 41:3237 42:245 44:14
46:2011 47:10 49:681 50:827 52:12 54:39
55:5 56:2 57:29 58:1078 59:572 60:356
61:1456 62:1202 63:1974 64:4544 65:2337 66:4137
67:2120 68:1106 69:3248 70:872 71:489 72:2018
74:2563 75:328 76:307 77:1130 78:1057 79:645
80:1296 81:1010 82:665 83:635 84:580 85:1240
86:382 87:1005 88:563 89:1615 90:155 91:5669
92:619 93:1592 94:2037 95:1602 96:508 97:344
98:1046 99:39 100:30 101:360 103:3452 105:524
106:143 107:213 108:510 109:1911 110:950 111:1094
112:581 113:799 114:723 115:985 116:963 117:808
118:1173 119:1262 120:361 121:735 122:1785 123:1251
124:1307 125:1434 128:603 129:217 130:313 131:659
132:341 133:158 134:543 135:67 136:278 137:265
138:348 139:173 140:170 141:321 142:528 143:413
144:495 145:89 146:515 147:397 148:697 149:355
150:156 151:592 152:410 153:204 154:49 155:488
156:283 157:373 158:282 159:680 160:356 161:449
162:809 163:206 164:631 165:564 166:258 167:625
168:1031 169:127 170:1127 171:181 172:25 173:1606
174:671 175:496 176:1260 177:2352 178:1948 179:193
180:1573 181:780 182:1331 183:452 184:664 185:948
186:2646 187:1488 188:1838 189:1282 190:7186 192:7019
193:5400 194:4038 195:3315 196:1320 197:1023 198:4691
199:5451 200:6078 201:2522 202:8772 203:8816 204:4451
205:2616 206:2750 207:2789 208:4003 209:3626 210:2920
211:1561 212:2154 213:1984 214:890 215:91 216:5342
217:1697 218:613 219:309 220:1276 221:578 222:323
223:500
End of report