* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 07 Jun, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 405491
Prefixes after maximum aggregation: 172728
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 201478
Total ASes present in the Internet Routing Table: 38631
Prefixes per ASN: 10.50
Origin-only ASes present in the Internet Routing Table: 33318
Origin ASes announcing only one prefix: 15701
Transit ASes present in the Internet Routing Table: 5313
Transit-only ASes present in the Internet Routing Table: 117
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: 1178
Unregistered ASNs in the Routing Table: 232
Number of 32-bit ASNs allocated by the RIRs: 2802
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6180
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 115
Number of addresses announced to Internet: 2581084416
Equivalent to 153 /8s, 216 /16s and 57 /24s
Percentage of available address space announced: 69.6
Percentage of allocated address space announced: 69.7
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 92.8
Total number of prefixes smaller than registry allocations: 166828
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94741
Total APNIC prefixes after maximum aggregation: 31063
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 92238
Unique aggregates announced from the APNIC address blocks: 40306
APNIC Region origin ASes present in the Internet Routing Table: 4655
APNIC Prefixes per ASN: 19.81
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 716
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: 646311680
Equivalent to 38 /8s, 133 /16s and 239 /24s
Percentage of available APNIC address space announced: 82.0
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, 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: 150335
Total ARIN prefixes after maximum aggregation: 76620
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 120985
Unique aggregates announced from the ARIN address blocks: 51324
ARIN Region origin ASes present in the Internet Routing Table: 15092
ARIN Prefixes per ASN: 8.02
ARIN Region origin ASes announcing only one prefix: 5748
ARIN Region transit ASes present in the Internet Routing Table: 1522
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: 816713472
Equivalent to 48 /8s, 174 /16s and 15 /24s
Percentage of available ARIN address space announced: 65.1
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, 173/8,
174/8, 184/8, 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: 103120
Total RIPE prefixes after maximum aggregation: 54681
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 95146
Unique aggregates announced from the RIPE address blocks: 59739
RIPE Region origin ASes present in the Internet Routing Table: 16607
RIPE Prefixes per ASN: 5.73
RIPE Region origin ASes announcing only one prefix: 8076
RIPE Region transit ASes present in the Internet Routing Table: 2600
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 515394304
Equivalent to 30 /8s, 184 /16s and 75 /24s
Percentage of available RIPE address space announced: 83.0
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,
176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 41167
Total LACNIC prefixes after maximum aggregation: 8146
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 41526
Unique aggregates announced from the LACNIC address blocks: 20628
LACNIC Region origin ASes present in the Internet Routing Table: 1586
LACNIC Prefixes per ASN: 26.18
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 293
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 101842944
Equivalent to 6 /8s, 18 /16s and 0 /24s
Percentage of available LACNIC address space announced: 67.4
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,
200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9112
Total AfriNIC prefixes after maximum aggregation: 2152
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 7161
Unique aggregates announced from the AfriNIC address blocks: 2178
AfriNIC Region origin ASes present in the Internet Routing Table: 537
AfriNIC Prefixes per ASN: 13.34
AfriNIC Region origin ASes announcing only one prefix: 163
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 31832576
Equivalent to 1 /8s, 229 /16s and 186 /24s
Percentage of available AfriNIC address space announced: 47.4
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 1982 11104 732 Korea Telecom (KIX)
17974 1841 530 81 PT Telekomunikasi Indonesia
7545 1680 301 87 TPG Internet Pty Ltd
4755 1553 384 152 TATA Communications formerly
9829 1304 1085 28 National Internet Backbone
9583 1209 90 521 Sify Limited
7552 1126 1062 11 Vietel Corporation
24560 1027 385 165 Bharti Airtel Ltd., Telemedia
9498 964 291 64 BHARTI Airtel Ltd.
4808 949 1938 283 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 3410 3791 193 BellSouth.net Inc.
7029 3382 1016 171 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
1785 1913 680 130 PaeTec Communications, Inc.
20115 1647 1570 616 Charter Communications
22773 1641 2911 121 Cox Communications Inc.
4323 1569 1058 383 tw telecom holdings, inc.
30036 1422 265 752 Mediacom Communications Corp
7018 1233 10062 832 AT&T Services, Inc.
7011 1188 317 681 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 1652 544 16 Corbina telecom
2118 1226 97 14 EUnet/RELCOM Autonomous Syste
34984 704 188 171 BILISIM TELEKOM
12479 697 683 73 France Telecom Espana SA
31148 684 37 9 FreeNet ISP
20940 656 220 521 Akamai Technologies European
6830 655 2217 424 UPC Broadband
9116 540 326 31 Goldenlines main autonomous s
8551 505 364 61 Bezeq International
3320 489 8442 402 Deutsche Telekom AG
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 1926 341 204 Types of queries are: POCs, o
28573 1923 1184 48 Types of queries are: POCs, o
6503 1524 418 67 Axtel, S.A.B. de C.V.
7303 1436 901 192 Telecom Argentina S.A.
8151 1342 3049 331 Uninet S.A. de C.V.
26615 902 760 32 Tim Celular S.A.
27947 669 73 94 Telconet S.A
11172 646 107 74 Alestra, S. de R.L. de C.V.
3816 587 247 89 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 1206 958 13 TEDATA
24863 851 274 32 LINKdotNET AS number
6713 497 649 18 Itissalat Al-MAGHRIB
24835 321 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29571 157 15 16 Ci Telecom Autonomous system
36923 157 20 4 Swift Networks Limited
36992 142 415 21 Etisalat MISR
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 3410 3791 193 BellSouth.net Inc.
7029 3382 1016 171 Windstream Communications Inc
18566 2092 382 181 Covad Communications Co.
4766 1982 11104 732 Korea Telecom (KIX)
10620 1926 341 204 Types of queries are: POCs, o
28573 1923 1184 48 Types of queries are: POCs, o
1785 1913 680 130 PaeTec Communications, Inc.
17974 1841 530 81 PT Telekomunikasi Indonesia
7545 1680 301 87 TPG Internet Pty Ltd
8402 1652 544 16 Corbina telecom
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 3382 3211 Windstream Communications Inc
18566 2092 1911 Covad Communications Co.
28573 1923 1875 Types of queries are: POCs, o
1785 1913 1783 PaeTec Communications, Inc.
17974 1841 1760 PT Telekomunikasi Indonesia
10620 1926 1722 Types of queries are: POCs, o
8402 1652 1636 Corbina telecom
7545 1680 1593 TPG Internet Pty Ltd
22773 1641 1520 Cox Communications Inc.
6503 1524 1457 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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
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
5.57.232.0/21 28775 Transtelecom Autonomous Syste
5.60.0.0/16 8374 Polkomtel S.A.
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
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 /9:13 /10:29 /11:82 /12:236
/13:459 /14:830 /15:1501 /16:12254 /17:6270 /18:10521
/19:20678 /20:29369 /21:30668 /22:40179 /23:38121 /24:213691
/25:11 /26:21 /27:19 /28:150 /29:148 /30:81
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3021 3382 Windstream Communications Inc
6389 2129 3410 BellSouth.net Inc.
18566 2041 2092 Covad Communications Co.
8402 1630 1652 Corbina telecom
30036 1362 1422 Mediacom Communications Corp
6503 1213 1524 Axtel, S.A.B. de C.V.
11492 1151 1188 CABLE ONE, INC.
22773 1086 1641 Cox Communications Inc.
7011 1073 1188 Frontier Communications of Am
1785 1068 1913 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:552 2:702 3:1 4:13 5:50 6:3
8:424 12:1978 13:1 14:610 15:12 16:3
17:5 20:23 23:175 24:1771 27:1282 31:1010
32:51 33:2 34:2 36:9 37:675 38:806
40:123 41:3069 42:135 44:3 46:1434 47:3
49:393 50:546 52:13 54:12 55:14 56:1
57:27 58:910 59:490 60:253 61:1105 62:980
63:2001 64:4224 65:2245 66:4439 67:2027 68:1155
69:3173 70:952 71:508 72:1820 74:2600 75:488
76:327 77:945 78:975 79:488 80:1240 81:939
82:668 83:545 84:492 85:1181 86:441 87:912
88:337 89:1722 90:293 91:4904 92:556 93:1380
94:1581 95:1206 96:358 97:314 98:906 99:35
100:8 101:257 103:1107 106:95 107:186 108:303
109:1363 110:756 111:916 112:404 113:601 114:621
115:836 116:929 117:699 118:908 119:1197 120:347
121:680 122:1632 123:1095 124:1322 125:1257 128:520
129:196 130:244 131:629 132:282 133:22 134:232
135:61 136:213 137:235 138:358 139:184 140:465
141:259 142:396 143:413 144:536 145:72 146:502
147:286 148:753 149:307 150:157 151:177 152:467
153:173 154:13 155:459 156:218 157:336 158:187
159:502 160:343 161:240 162:346 163:178 164:630
165:400 166:591 167:470 168:859 169:126 170:875
171:136 172:4 173:1754 174:623 175:425 176:539
177:818 178:1393 180:1215 181:87 182:1028 183:227
184:518 185:1 186:2316 187:1115 188:1315 189:1824
190:5550 192:5965 193:5520 194:4512 195:3379 196:1206
197:148 198:3617 199:4707 200:5757 201:1937 202:8329
203:8467 204:4264 205:2499 206:2684 207:2728 208:4005
209:3597 210:2695 211:1524 212:2022 213:1940 214:870
215:97 216:5073 217:1556 218:538 219:306 220:1234
221:553 222:286 223:309
End of report
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