* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 30 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 411879
Prefixes after maximum aggregation: 174476
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 204536
Total ASes present in the Internet Routing Table: 38836
Prefixes per ASN: 10.61
Origin-only ASes present in the Internet Routing Table: 33443
Origin ASes announcing only one prefix: 15736
Transit ASes present in the Internet Routing Table: 5393
Transit-only ASes present in the Internet Routing Table: 115
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: 1052
Unregistered ASNs in the Routing Table: 190
Number of 32-bit ASNs allocated by the RIRs: 3051
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6863
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2590693120
Equivalent to 154 /8s, 106 /16s and 215 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 142685
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96153
Total APNIC prefixes after maximum aggregation: 31236
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97234
Unique aggregates announced from the APNIC address blocks: 42242
APNIC Region origin ASes present in the Internet Routing Table: 4682
APNIC Prefixes per ASN: 20.77
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 703632640
Equivalent to 41 /8s, 240 /16s and 149 /24s
Percentage of available APNIC address space announced: 82.2
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 151890
Total ARIN prefixes after maximum aggregation: 77321
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 152905
Unique aggregates announced from the ARIN address blocks: 68774
ARIN Region origin ASes present in the Internet Routing Table: 15153
ARIN Prefixes per ASN: 10.09
ARIN Region origin ASes announcing only one prefix: 5764
ARIN Region transit ASes present in the Internet Routing Table: 1519
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1072472064
Equivalent to 63 /8s, 236 /16s and 160 /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: 104527
Total RIPE prefixes after maximum aggregation: 55458
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106725
Unique aggregates announced from the RIPE address blocks: 68001
RIPE Region origin ASes present in the Internet Routing Table: 16699
RIPE Prefixes per ASN: 6.39
RIPE Region origin ASes announcing only one prefix: 8107
RIPE Region transit ASes present in the Internet Routing Table: 2657
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: 637724416
Equivalent to 38 /8s, 2 /16s and 231 /24s
Percentage of available RIPE address space announced: 92.7
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: 42218
Total LACNIC prefixes after maximum aggregation: 8233
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 44916
Unique aggregates announced from the LACNIC address blocks: 21964
LACNIC Region origin ASes present in the Internet Routing Table: 1603
LACNIC Prefixes per ASN: 28.02
LACNIC Region origin ASes announcing only one prefix: 428
LACNIC Region transit ASes present in the Internet Routing Table: 307
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 112934144
Equivalent to 6 /8s, 187 /16s and 61 /24s
Percentage of available LACNIC address space announced: 67.3
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: 9501
Total AfriNIC prefixes after maximum aggregation: 2174
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 9929
Unique aggregates announced from the AfriNIC address blocks: 3409
AfriNIC Region origin ASes present in the Internet Routing Table: 551
AfriNIC Prefixes per ASN: 18.02
AfriNIC Region origin ASes announcing only one prefix: 166
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: 41350656
Equivalent to 2 /8s, 118 /16s and 246 /24s
Percentage of available AfriNIC address space announced: 41.1
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 2269 569 90 PT Telekomunikasi Indonesia
4766 2024 11112 784 Korea Telecom (KIX)
7545 1687 301 89 TPG Internet Pty Ltd
4755 1579 385 154 TATA Communications formerly
9829 1309 1084 31 National Internet Backbone
9583 1161 87 509 Sify Limited
7552 1110 1062 11 Vietel Corporation
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 992 294 73 BHARTI Airtel Ltd.
4808 963 1942 287 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 3413 986 155 Windstream Communications Inc
6389 3383 3773 192 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1940 681 131 PaeTec Communications, Inc.
22773 1697 2914 125 Cox Communications Inc.
20115 1647 1570 611 Charter Communications
4323 1573 1043 381 tw telecom holdings, inc.
30036 1408 275 791 Mediacom Communications Corp
7018 1263 10073 829 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 1545 544 16 Corbina telecom
12479 808 749 92 France Telecom Espana SA
34984 735 189 177 BILISIM TELEKOM
6830 716 2310 447 UPC Broadband
31148 706 37 9 FreeNet ISP
20940 689 226 550 Akamai Technologies European
2118 632 97 14 EUnet/RELCOM Autonomous Syste
13188 619 100 9 Ukraine
8551 600 364 61 Bezeq International
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
28573 2044 1226 58 Types of queries are: POCs, o
10620 2031 349 213 Types of queries are: POCs, o
6503 1519 419 69 Axtel, S.A.B. de C.V.
7303 1458 934 196 Telecom Argentina S.A.
8151 1338 3053 344 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 695 75 90 Telconet S.A
11172 634 107 71 Alestra, S. de R.L. de C.V.
3816 597 248 87 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 1031 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
24835 286 80 8 RAYA Telecom - Egypt
3741 261 905 222 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 182 32 6 Sudatel Internet Exchange Aut
29571 160 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 3413 986 155 Windstream Communications Inc
6389 3383 3773 192 BellSouth.net Inc.
17974 2269 569 90 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
28573 2044 1226 58 Types of queries are: POCs, o
10620 2031 349 213 Types of queries are: POCs, o
4766 2024 11112 784 Korea Telecom (KIX)
1785 1940 681 131 PaeTec Communications, Inc.
22773 1697 2914 125 Cox Communications Inc.
7545 1687 301 89 TPG Internet Pty Ltd
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 3383 3191 BellSouth.net Inc.
17974 2269 2179 PT Telekomunikasi Indonesia
28573 2044 1986 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
10620 2031 1818 Types of queries are: POCs, o
1785 1940 1809 PaeTec Communications, Inc.
7545 1687 1598 TPG Internet Pty Ltd
22773 1697 1572 Cox Communications Inc.
8402 1545 1529 Corbina telecom
6503 1519 1450 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 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.66.0/24 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
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
14.192.4.0/22 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
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 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
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
/13:473 /14:846 /15:1524 /16:12262 /17:6369 /18:10660
/19:20805 /20:29818 /21:31398 /22:40899 /23:39198 /24:216675
/25:11 /26:22 /27:19 /28:148 /29:151 /30:84
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2773 3413 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1864 3383 BellSouth.net Inc.
30036 1343 1408 Mediacom Communications Corp
8402 1243 1545 Corbina telecom
11492 1155 1192 CABLE ONE, INC.
22773 1121 1697 Cox Communications Inc.
1785 1049 1940 PaeTec Communications, Inc.
6503 1047 1519 Axtel, S.A.B. de C.V.
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)
----------------------------------------------
1:523 2:666 3:1 4:13 5:287 6:3
8:438 12:1975 13:1 14:618 15:11 16:3
17:6 20:24 23:200 24:1792 27:1309 31:1039
32:51 33:2 34:2 36:8 37:679 38:819
39:1 40:134 41:2843 42:158 44:3 46:1546
47:2 49:429 50:564 52:13 54:14 55:6
56:1 57:38 58:921 59:498 60:233 61:1177
62:932 63:2025 64:4232 65:2239 66:4505 67:2022
68:1155 69:3195 70:986 71:520 72:1871 74:2606
75:490 76:334 77:930 78:926 79:490 80:1231
81:951 82:649 83:540 84:513 85:1161 86:462
87:932 88:346 89:1759 90:301 91:5066 92:587
93:1306 94:1566 95:1226 96:400 97:315 98:894
99:36 100:22 101:252 103:1300 105:464 106:115
107:189 108:389 109:1462 110:779 111:940 112:423
113:664 114:659 115:841 116:895 117:718 118:945
119:1173 120:349 121:679 122:1633 123:1153 124:1310
125:1261 128:524 129:179 130:254 131:634 132:291
133:22 134:234 135:61 136:214 137:237 138:341
139:181 140:466 141:254 142:435 143:367 144:489
145:78 146:501 147:295 148:746 149:318 150:148
151:186 152:471 153:176 154:18 155:419 156:222
157:336 158:190 159:548 160:347 161:267 162:383
163:178 164:665 165:404 166:585 167:536 168:948
169:126 170:899 171:147 172:5 173:1734 174:609
175:423 176:567 177:992 178:1659 180:1322 181:113
182:1018 183:206 184:558 186:2031 187:1097 188:1380
189:1581 190:6165 192:5973 193:5437 194:4192 195:3196
196:1205 197:186 198:3643 199:4888 200:5882 201:1970
202:8457 203:8570 204:4323 205:2516 206:2703 207:2769
208:4046 209:3618 210:2691 211:1542 212:2057 213:1810
214:877 215:85 216:5063 217:1565 218:548 219:299
220:1229 221:552 222:300 223:338
End of report
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