* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 15 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 409451
Prefixes after maximum aggregation: 173679
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202765
Total ASes present in the Internet Routing Table: 38752
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 33381
Origin ASes announcing only one prefix: 15718
Transit ASes present in the Internet Routing Table: 5371
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1031
Unregistered ASNs in the Routing Table: 172
Number of 32-bit ASNs allocated by the RIRs: 2982
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6742
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2584989952
Equivalent to 154 /8s, 19 /16s and 209 /24s
Percentage of available address space announced: 69.7
Percentage of allocated address space announced: 69.8
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: 140800
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95941
Total APNIC prefixes after maximum aggregation: 31183
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 96987
Unique aggregates announced from the APNIC address blocks: 42053
APNIC Region origin ASes present in the Internet Routing Table: 4670
APNIC Prefixes per ASN: 20.77
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 720
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: 702089984
Equivalent to 41 /8s, 217 /16s and 11 /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: 151147
Total ARIN prefixes after maximum aggregation: 76974
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 152140
Unique aggregates announced from the ARIN address blocks: 68376
ARIN Region origin ASes present in the Internet Routing Table: 15131
ARIN Prefixes per ASN: 10.05
ARIN Region origin ASes announcing only one prefix: 5759
ARIN Region transit ASes present in the Internet Routing Table: 1527
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: 1071126016
Equivalent to 63 /8s, 216 /16s and 22 /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: 103903
Total RIPE prefixes after maximum aggregation: 55111
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106048
Unique aggregates announced from the RIPE address blocks: 67124
RIPE Region origin ASes present in the Internet Routing Table: 16646
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8079
RIPE Region transit ASes present in the Internet Routing Table: 2639
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 635729664
Equivalent to 37 /8s, 228 /16s and 119 /24s
Percentage of available RIPE address space announced: 92.4
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, 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: 41797
Total LACNIC prefixes after maximum aggregation: 8234
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 44471
Unique aggregates announced from the LACNIC address blocks: 21771
LACNIC Region origin ASes present in the Internet Routing Table: 1597
LACNIC Prefixes per ASN: 27.85
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 301
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: 112221952
Equivalent to 6 /8s, 176 /16s and 95 /24s
Percentage of available LACNIC address space announced: 66.9
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: 9199
Total AfriNIC prefixes after maximum aggregation: 2123
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 9633
Unique aggregates announced from the AfriNIC address blocks: 3295
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 17.29
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 125
Average AfriNIC Region AS path length visible: 3.3
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: 41234688
Equivalent to 2 /8s, 117 /16s and 49 /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 2142 558 80 PT Telekomunikasi Indonesia
4766 2001 11108 770 Korea Telecom (KIX)
7545 1687 301 87 TPG Internet Pty Ltd
4755 1593 387 160 TATA Communications formerly
9829 1303 1085 28 National Internet Backbone
9583 1168 88 506 Sify Limited
7552 1080 1062 11 Vietel Corporation
24560 1036 385 165 Bharti Airtel Ltd., Telemedia
9498 981 291 67 BHARTI Airtel Ltd.
4808 963 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
6389 3389 3773 187 BellSouth.net Inc.
7029 3319 986 161 Windstream Communications Inc
18566 2089 382 181 Covad Communications Co.
1785 1936 680 131 PaeTec Communications, Inc.
22773 1663 2911 121 Cox Communications Inc.
20115 1649 1571 615 Charter Communications
4323 1572 1059 383 tw telecom holdings, inc.
30036 1389 269 781 Mediacom Communications Corp
7018 1265 10077 830 AT&T Services, Inc.
7011 1197 320 696 Frontier Communications of Am
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 1463 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 796 741 94 France Telecom Espana SA
34984 728 189 174 BILISIM TELEKOM
6830 708 2292 442 UPC Broadband
31148 704 37 9 FreeNet ISP
20940 667 219 528 Akamai Technologies European
8551 601 364 61 Bezeq International
13188 555 100 10 Ukraine
9116 511 326 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 2004 1214 55 Types of queries are: POCs, o
10620 1991 346 208 Types of queries are: POCs, o
6503 1514 418 68 Axtel, S.A.B. de C.V.
7303 1454 934 194 Telecom Argentina S.A.
8151 1327 3025 339 Uninet S.A. de C.V.
6458 853 81 15 Telgua
27947 691 74 88 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 591 246 90 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 1156 958 13 TEDATA
24863 863 274 32 LINKdotNET AS number
6713 508 649 18 Itissalat Al-MAGHRIB
24835 285 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
33776 194 12 18 Starcomms Nigeria Limited
29975 191 667 21 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
29571 158 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
6389 3389 3773 187 BellSouth.net Inc.
7029 3319 986 161 Windstream Communications Inc
17974 2142 558 80 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
28573 2004 1214 55 Types of queries are: POCs, o
4766 2001 11108 770 Korea Telecom (KIX)
10620 1991 346 208 Types of queries are: POCs, o
1785 1936 680 131 PaeTec Communications, Inc.
7545 1687 301 87 TPG Internet Pty Ltd
22773 1663 2911 121 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
7029 3319 3158 Windstream Communications Inc
17974 2142 2062 PT Telekomunikasi Indonesia
28573 2004 1949 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1936 1805 PaeTec Communications, Inc.
10620 1991 1783 Types of queries are: POCs, o
7545 1687 1600 TPG Internet Pty Ltd
22773 1663 1542 Cox Communications Inc.
8402 1463 1447 Corbina telecom
6503 1514 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
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.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 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
5.145.128.0/20 34953 RelAix Networks
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
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
/13:469 /14:841 /15:1513 /16:12238 /17:6364 /18:10682
/19:20736 /20:29631 /21:31180 /22:40674 /23:38848 /24:215329
/25:11 /26:21 /27:19 /28:149 /29:147 /30:82
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2674 3319 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1868 3389 BellSouth.net Inc.
30036 1324 1389 Mediacom Communications Corp
8402 1161 1463 Corbina telecom
11492 1154 1191 CABLE ONE, INC.
22773 1094 1663 Cox Communications Inc.
6503 1047 1514 Axtel, S.A.B. de C.V.
1785 1044 1936 PaeTec Communications, Inc.
7011 934 1197 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:531 2:641 3:1 4:13 5:127 6:3
8:433 12:1976 13:1 14:625 15:12 16:3
17:5 20:24 23:187 24:1788 27:1318 31:1029
32:51 33:2 34:2 36:8 37:614 38:815
39:1 40:128 41:3027 42:141 44:3 46:1526
47:2 49:431 50:548 52:13 54:14 55:7
56:1 57:41 58:921 59:524 60:242 61:1231
62:927 63:2032 64:4228 65:2233 66:4486 67:2003
68:1155 69:3192 70:982 71:511 72:1867 74:2599
75:479 76:334 77:924 78:907 79:492 80:1223
81:945 82:657 83:525 84:499 85:1147 86:430
87:933 88:358 89:1676 90:301 91:5027 92:581
93:1299 94:1564 95:1182 96:371 97:320 98:884
99:36 100:21 101:253 103:1229 106:115 107:189
108:353 109:1462 110:775 111:929 112:418 113:636
114:647 115:898 116:886 117:707 118:899 119:1163
120:341 121:784 122:1627 123:1156 124:1310 125:1253
128:518 129:180 130:257 131:630 132:293 133:22
134:236 135:61 136:217 137:235 138:334 139:174
140:467 141:243 142:412 143:367 144:472 145:77
146:511 147:281 148:749 149:316 150:143 151:185
152:474 153:176 154:16 155:449 156:220 157:337
158:190 159:545 160:341 161:250 162:379 163:181
164:665 165:409 166:589 167:533 168:910 169:124
170:897 171:146 172:5 173:1725 174:602 175:429
176:557 177:957 178:1607 180:1280 181:104 182:964
183:232 184:540 186:1988 187:1085 188:1367 189:1588
190:6040 192:5970 193:5532 194:4476 195:3223 196:1211
197:169 198:3630 199:4816 200:5850 201:1986 202:8436
203:8566 204:4316 205:2515 206:2714 207:2716 208:4033
209:3612 210:2713 211:1540 212:1979 213:1822 214:862
215:81 216:5079 217:1554 218:544 219:322 220:1224
221:551 222:300 223:336
End of report
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