* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 24 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 410494
Prefixes after maximum aggregation: 173954
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203598
Total ASes present in the Internet Routing Table: 38801
Prefixes per ASN: 10.58
Origin-only ASes present in the Internet Routing Table: 33428
Origin ASes announcing only one prefix: 15730
Transit ASes present in the Internet Routing Table: 5373
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1041
Unregistered ASNs in the Routing Table: 181
Number of 32-bit ASNs allocated by the RIRs: 3025
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6794
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2587717376
Equivalent to 154 /8s, 61 /16s and 111 /24s
Percentage of available address space announced: 69.8
Percentage of allocated address space announced: 69.9
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.0
Total number of prefixes smaller than registry allocations: 141640
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96191
Total APNIC prefixes after maximum aggregation: 31210
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97260
Unique aggregates announced from the APNIC address blocks: 42126
APNIC Region origin ASes present in the Internet Routing Table: 4675
APNIC Prefixes per ASN: 20.80
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 726
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 702862336
Equivalent to 41 /8s, 228 /16s and 212 /24s
Percentage of available APNIC address space announced: 82.1
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 151689
Total ARIN prefixes after maximum aggregation: 77085
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 152691
Unique aggregates announced from the ARIN address blocks: 68654
ARIN Region origin ASes present in the Internet Routing Table: 15147
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5759
ARIN Region transit ASes present in the Internet Routing Table: 1521
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1071523072
Equivalent to 63 /8s, 222 /16s and 37 /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, 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: 103713
Total RIPE prefixes after maximum aggregation: 55165
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 105872
Unique aggregates announced from the RIPE address blocks: 67410
RIPE Region origin ASes present in the Internet Routing Table: 16679
RIPE Prefixes per ASN: 6.35
RIPE Region origin ASes announcing only one prefix: 8099
RIPE Region transit ASes present in the Internet Routing Table: 2647
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 636978944
Equivalent to 37 /8s, 247 /16s and 135 /24s
Percentage of available RIPE address space announced: 92.6
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, 196608-199679
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: 41913
Total LACNIC prefixes after maximum aggregation: 8280
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 44597
Unique aggregates announced from the LACNIC address blocks: 21869
LACNIC Region origin ASes present in the Internet Routing Table: 1600
LACNIC Prefixes per ASN: 27.87
LACNIC Region origin ASes announcing only one prefix: 425
LACNIC Region transit ASes present in the Internet Routing Table: 304
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 18
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 112477440
Equivalent to 6 /8s, 180 /16s and 69 /24s
Percentage of available LACNIC address space announced: 67.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
262144-263167 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: 9471
Total AfriNIC prefixes after maximum aggregation: 2160
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 9908
Unique aggregates announced from the AfriNIC address blocks: 3397
AfriNIC Region origin ASes present in the Internet Routing Table: 551
AfriNIC Prefixes per ASN: 17.98
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 0
Number of AfriNIC addresses announced to Internet: 41300480
Equivalent to 2 /8s, 118 /16s and 50 /24s
Percentage of available AfriNIC address space announced: 41.0
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 2239 564 85 PT Telekomunikasi Indonesia
4766 2021 11112 781 Korea Telecom (KIX)
7545 1685 301 88 TPG Internet Pty Ltd
4755 1598 387 161 TATA Communications formerly
9829 1305 1085 26 National Internet Backbone
9583 1166 88 511 Sify Limited
7552 1078 1062 11 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 989 294 73 BHARTI Airtel Ltd.
4808 964 1942 288 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
7029 3414 985 156 Windstream Communications Inc
6389 3386 3773 187 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1938 681 132 PaeTec Communications, Inc.
22773 1681 2911 122 Cox Communications Inc.
20115 1649 1571 615 Charter Communications
4323 1572 1044 382 tw telecom holdings, inc.
30036 1392 271 781 Mediacom Communications Corp
7018 1260 10073 830 AT&T Services, Inc.
11492 1192 217 350 CABLE ONE, INC.
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 1553 544 16 Corbina telecom
12479 806 748 95 France Telecom Espana SA
34984 732 189 174 BILISIM TELEKOM
6830 712 2302 446 UPC Broadband
31148 706 37 9 FreeNet ISP
20940 680 226 546 Akamai Technologies European
2118 632 97 14 EUnet/RELCOM Autonomous Syste
8551 603 364 61 Bezeq International
13188 582 100 10 Ukraine
9116 539 326 31 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
10620 2012 348 209 Types of queries are: POCs, o
28573 2010 1221 55 Types of queries are: POCs, o
6503 1515 419 69 Axtel, S.A.B. de C.V.
7303 1458 934 196 Telecom Argentina S.A.
8151 1339 3049 351 Uninet S.A. de C.V.
6458 722 81 15 Telgua
27947 694 74 89 Telconet S.A
11172 645 107 76 Alestra, S. de R.L. de C.V.
3816 599 250 83 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
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
8452 1014 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
3741 263 905 224 The Internet Solution
24835 256 80 8 RAYA Telecom - Egypt
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system
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
7029 3414 985 156 Windstream Communications Inc
6389 3386 3773 187 BellSouth.net Inc.
17974 2239 564 85 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
4766 2021 11112 781 Korea Telecom (KIX)
10620 2012 348 209 Types of queries are: POCs, o
28573 2010 1221 55 Types of queries are: POCs, o
1785 1938 681 132 PaeTec Communications, Inc.
7545 1685 301 88 TPG Internet Pty Ltd
22773 1681 2911 122 Cox Communications Inc.
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 3386 3199 BellSouth.net Inc.
17974 2239 2154 PT Telekomunikasi Indonesia
28573 2010 1955 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1938 1806 PaeTec Communications, Inc.
10620 2012 1803 Types of queries are: POCs, o
7545 1685 1597 TPG Internet Pty Ltd
22773 1681 1559 Cox Communications Inc.
8402 1553 1537 Corbina telecom
6503 1515 1446 Axtel, S.A.B. de C.V.
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
59473 UNALLOCATED 5.149.152.0/22 44843 AmsterdamTelecom Ltd
59473 UNALLOCATED 5.149.156.0/23 44843 AmsterdamTelecom Ltd
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
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 Internet Assigned Numbers Aut
169.254.0.0/16 65333 Internet Assigned Numbers Aut
172.16.0.0/12 65333 Internet Assigned Numbers Aut
192.0.2.0/24 65333 Internet Assigned Numbers Aut
192.168.0.0/16 0 *
198.18.0.0/15 65333 Internet Assigned Numbers Aut
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 Edgenet Ltd
62.61.220.0/24 24974 Tachyon Europe BV
62.61.221.0/24 24974 Tachyon Europe BV
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 /8:20 /9:12 /10:29 /11:82 /12:236
/13:471 /14:842 /15:1522 /16:12252 /17:6368 /18:10648
/19:20775 /20:29711 /21:31276 /22:40704 /23:39046 /24:215933
/25:11 /26:22 /27:19 /28:148 /29:148 /30:81
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2773 3414 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1865 3386 BellSouth.net Inc.
30036 1327 1392 Mediacom Communications Corp
8402 1251 1553 Corbina telecom
11492 1155 1192 CABLE ONE, INC.
22773 1108 1681 Cox Communications Inc.
6503 1047 1515 Axtel, S.A.B. de C.V.
1785 1045 1938 PaeTec Communications, Inc.
7011 930 1191 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:529 2:712 3:1 4:13 5:202 6:3
8:436 12:1977 13:1 14:628 15:11 16:3
17:6 20:24 23:196 24:1792 27:1329 31:1038
32:51 33:2 34:2 36:8 37:658 38:819
39:1 40:134 41:2894 42:158 44:3 46:1524
47:2 49:429 50:556 52:13 54:14 55:9
56:1 57:38 58:924 59:529 60:240 61:1237
62:924 63:2026 64:4248 65:2243 66:4488 67:2016
68:1155 69:3207 70:987 71:514 72:1866 74:2605
75:490 76:334 77:929 78:914 79:491 80:1229
81:950 82:633 83:543 84:503 85:1148 86:430
87:925 88:346 89:1676 90:301 91:5043 92:582
93:1303 94:1533 95:1192 96:401 97:319 98:876
99:36 100:21 101:254 103:1263 105:464 106:114
107:189 108:375 109:1457 110:774 111:936 112:421
113:635 114:651 115:901 116:884 117:716 118:907
119:1174 120:347 121:791 122:1628 123:1161 124:1307
125:1260 128:520 129:179 130:256 131:627 132:292
133:22 134:238 135:61 136:214 137:238 138:340
139:174 140:470 141:252 142:416 143:366 144:488
145:77 146:504 147:279 148:746 149:312 150:145
151:187 152:471 153:176 154:18 155:341 156:222
157:337 158:190 159:550 160:341 161:249 162:379
163:181 164:665 165:409 166:588 167:532 168:908
169:126 170:898 171:148 172:5 173:1735 174:617
175:430 176:563 177:978 178:1604 180:1313 181:111
182:968 183:232 184:554 186:2029 187:1092 188:1363
189:1583 190:5992 192:5983 193:5440 194:4190 195:3206
196:1205 197:179 198:3643 199:4900 200:5889 201:1958
202:8417 203:8559 204:4321 205:2524 206:2701 207:2773
208:4041 209:3612 210:2712 211:1544 212:1989 213:1789
214:872 215:84 216:5067 217:1568 218:546 219:320
220:1225 221:555 222:299 223:338
End of report
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