* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 26 Oct, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 465027
Prefixes after maximum aggregation: 187765
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 233085
Total ASes present in the Internet Routing Table: 41117
Prefixes per ASN: 11.31
Origin-only ASes present in the Internet Routing Table: 35273
Origin ASes announcing only one prefix: 16310
Transit ASes present in the Internet Routing Table: 5837
Transit-only ASes present in the Internet Routing Table: 139
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: 743
Unregistered ASNs in the Routing Table: 206
Number of 32-bit ASNs allocated by the RIRs: 5249
Number of 32-bit ASNs visible in the Routing Table: 7
Prefixes from 32-bit ASNs in the Routing Table: 12428
Special use prefixes present in the Routing Table: 11
Prefixes being announced from unallocated address space: 855
Number of addresses announced to Internet: 2672801792
Equivalent to 159 /8s, 79 /16s and 184 /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: 161909
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 107307
Total APNIC prefixes after maximum aggregation: 33047
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 110059
Unique aggregates announced from the APNIC address blocks: 46821
APNIC Region origin ASes present in the Internet Routing Table: 4844
APNIC Prefixes per ASN: 22.72
APNIC Region origin ASes announcing only one prefix: 1235
APNIC Region transit ASes present in the Internet Routing Table: 818
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: 728312576
Equivalent to 43 /8s, 105 /16s and 43 /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: 161516
Total ARIN prefixes after maximum aggregation: 81069
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 162383
Unique aggregates announced from the ARIN address blocks: 75909
ARIN Region origin ASes present in the Internet Routing Table: 15841
ARIN Prefixes per ASN: 10.25
ARIN Region origin ASes announcing only one prefix: 6004
ARIN Region transit ASes present in the Internet Routing Table: 1622
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: 1073240832
Equivalent to 63 /8s, 248 /16s and 91 /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: 118926
Total RIPE prefixes after maximum aggregation: 61207
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122516
Unique aggregates announced from the RIPE address blocks: 78900
RIPE Region origin ASes present in the Internet Routing Table: 17503
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8313
RIPE Region transit ASes present in the Internet Routing Table: 2806
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: 656588800
Equivalent to 39 /8s, 34 /16s and 192 /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: 51858
Total LACNIC prefixes after maximum aggregation: 9761
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 56853
Unique aggregates announced from the LACNIC address blocks: 26726
LACNIC Region origin ASes present in the Internet Routing Table: 2027
LACNIC Prefixes per ASN: 28.05
LACNIC Region origin ASes announcing only one prefix: 560
LACNIC Region transit ASes present in the Internet Routing Table: 379
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2
Number of LACNIC addresses announced to Internet: 140976384
Equivalent to 8 /8s, 103 /16s and 33 /24s
Percentage of available LACNIC address space announced: 84.0
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: 11713
Total AfriNIC prefixes after maximum aggregation: 2557
AfriNIC Deaggregation factor: 4.58
Prefixes being announced from the AfriNIC address blocks: 12359
Unique aggregates announced from the AfriNIC address blocks: 4002
AfriNIC Region origin ASes present in the Internet Routing Table: 668
AfriNIC Prefixes per ASN: 18.50
AfriNIC Region origin ASes announcing only one prefix: 198
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: 1
Number of AfriNIC addresses announced to Internet: 48077568
Equivalent to 2 /8s, 221 /16s and 155 /24s
Percentage of available AfriNIC address space announced: 47.8
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 2717 903 89 PT TELEKOMUNIKASI INDONESIA
4766 2139 11550 641 Korea Telecom (KIX)
7545 2085 319 112 TPG Internet Pty Ltd
4755 1796 400 183 TATA Communications formerly
9829 1557 1241 45 BSNL National Internet Backbo
9583 1242 94 511 Sify Limited
9498 1192 310 78 BHARTI Airtel Ltd.
7552 1154 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 613 Charter Communications
4323 1621 1117 419 Time Warner Telecom
701 1508 11145 785 UUNET Technologies, Inc.
30036 1385 312 578 Mediacom Communications Corp
7018 1345 17795 875 AT&T WorldNet Services
6983 1292 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 1773 544 17 OJSC "Vimpelcom"
34984 1362 244 224 TELLCOM ILETISIM HIZMETLERI A
20940 1083 396 830 Akamai Technologies European
31148 1000 44 19 FreeNet ISP
13188 884 99 58 TOV "Bank-Inform"
6830 773 2328 426 UPC Distribution Services
8551 768 370 41 Bezeq International
12479 686 800 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 3458 1780 88 NET Servicos de Comunicao S.A
10620 2633 427 234 TVCABLE BOGOTA
7303 1725 1135 234 Telecom Argentina Stet-France
18881 1490 844 20 Global Village Telecom
8151 1334 2825 416 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 817 94 93 Telconet S.A
6147 789 373 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 1864 112 5 Sudanese Mobile Telephone (ZA
24863 882 338 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 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 3458 1780 88 NET Servicos de Comunicao S.A
6389 3059 3689 58 BellSouth.net Inc.
17974 2717 903 89 PT TELEKOMUNIKASI INDONESIA
10620 2633 427 234 TVCABLE BOGOTA
22773 2187 2941 140 Cox Communications, Inc.
4766 2139 11550 641 Korea Telecom (KIX)
7545 2085 319 112 TPG Internet Pty Ltd
18566 2056 379 179 Covad Communications
1785 2035 684 130 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 3059 3001 BellSouth.net Inc.
17974 2717 2628 PT TELEKOMUNIKASI INDONESIA
10620 2633 2399 TVCABLE BOGOTA
22773 2187 2047 Cox Communications, Inc.
7545 2085 1973 TPG Internet Pty Ltd
1785 2035 1905 PaeTec Communications, Inc.
18566 2056 1877 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1773 1756 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
/13:478 /14:920 /15:1629 /16:12815 /17:6736 /18:11221
/19:22945 /20:32724 /21:35241 /22:49413 /23:42930 /24:246902
/25:9 /26:11 /27:12 /28:128 /29:220 /30:148
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2009 2056 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1709 3059 BellSouth.net Inc.
8402 1478 1773 OJSC "Vimpelcom"
22773 1453 2187 Cox Communications, Inc.
30036 1233 1385 Mediacom Communications Corp
11492 1197 1238 Cable One
1785 1085 2035 PaeTec Communications, Inc.
6983 1033 1292 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 2:853 3:3 4:16 5:1000 6:20
8:605 12:1888 13:3 14:859 15:11 16:3
17:17 18:19 20:21 23:489 24:1736 27:1603
31:1495 32:40 33:2 34:5 36:82 37:1841
38:913 39:4 40:181 41:3244 42:245 44:14
46:2023 47:9 49:681 50:825 52:12 54:39
55:5 56:2 57:29 58:1077 59:572 60:356
61:1457 62:1206 63:1973 64:4553 65:2336 66:4138
67:2120 68:1103 69:3275 70:876 71:490 72:2017
74:2562 75:328 76:309 77:1129 78:1052 79:653
80:1280 81:1013 82:664 83:635 84:583 85:1239
86:415 87:1013 88:563 89:1655 90:155 91:5661
92:618 93:1594 94:2029 95:1599 96:508 97:343
98:1046 99:39 100:30 101:356 103:3459 105:525
106:143 107:212 108:506 109:1905 110:964 111:1093
112:581 113:807 114:722 115:986 116:938 117:810
118:1173 119:1261 120:364 121:738 122:1788 123:1251
124:1346 125:1436 128:604 129:217 130:312 131:654
132:341 133:158 134:542 135:67 136:277 137:265
138:351 139:173 140:175 141:321 142:529 143:416
144:498 145:89 146:515 147:395 148:703 149:355
150:141 151:592 152:410 153:205 154:49 155:487
156:283 157:374 158:283 159:684 160:356 161:449
162:807 163:206 164:631 165:567 166:257 167:624
168:1036 169:127 170:1121 171:181 172:25 173:1603
174:683 175:497 176:1265 177:2334 178:1948 179:195
180:1573 181:779 182:1332 183:452 184:656 185:947
186:2649 187:1495 188:1847 189:1288 190:7152 192:7044
193:5406 194:4037 195:3318 196:1325 197:1031 198:4687
199:5446 200:6086 201:2524 202:8783 203:8826 204:4455
205:2617 206:2750 207:2822 208:3979 209:3627 210:2921
211:1559 212:2167 213:1986 214:893 215:91 216:5371
217:1695 218:613 219:310 220:1271 221:578 222:324
223:495
End of report
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