* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 28 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 411811
Prefixes after maximum aggregation: 174413
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 204262
Total ASes present in the Internet Routing Table: 38836
Prefixes per ASN: 10.60
Origin-only ASes present in the Internet Routing Table: 33444
Origin ASes announcing only one prefix: 15747
Transit ASes present in the Internet Routing Table: 5392
Transit-only ASes present in the Internet Routing Table: 119
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: 1053
Unregistered ASNs in the Routing Table: 190
Number of 32-bit ASNs allocated by the RIRs: 3041
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6849
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 178
Number of addresses announced to Internet: 2601040384
Equivalent to 155 /8s, 8 /16s and 186 /24s
Percentage of available address space announced: 70.2
Percentage of allocated address space announced: 70.3
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: 142317
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96503
Total APNIC prefixes after maximum aggregation: 31215
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97588
Unique aggregates announced from the APNIC address blocks: 42195
APNIC Region origin ASes present in the Internet Routing Table: 4675
APNIC Prefixes per ASN: 20.87
APNIC Region origin ASes announcing only one prefix: 1268
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: 703627776
Equivalent to 41 /8s, 240 /16s and 130 /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: 151808
Total ARIN prefixes after maximum aggregation: 77337
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 152821
Unique aggregates announced from the ARIN address blocks: 68867
ARIN Region origin ASes present in the Internet Routing Table: 15155
ARIN Prefixes per ASN: 10.08
ARIN Region origin ASes announcing only one prefix: 5775
ARIN Region transit ASes present in the Internet Routing Table: 1523
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: 1082938112
Equivalent to 64 /8s, 140 /16s and 83 /24s
Percentage of available ARIN address space announced: 57.3
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: 104231
Total RIPE prefixes after maximum aggregation: 55382
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 106406
Unique aggregates announced from the RIPE address blocks: 67754
RIPE Region origin ASes present in the Internet Routing Table: 16703
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8113
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: 637510656
Equivalent to 37 /8s, 255 /16s and 164 /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: 42200
Total LACNIC prefixes after maximum aggregation: 8255
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 44893
Unique aggregates announced from the LACNIC address blocks: 21891
LACNIC Region origin ASes present in the Internet Routing Table: 1601
LACNIC Prefixes per ASN: 28.04
LACNIC Region origin ASes announcing only one prefix: 425
LACNIC Region transit ASes present in the Internet Routing Table: 306
Average LACNIC Region AS path length visible: 4.1
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: 112996608
Equivalent to 6 /8s, 188 /16s and 49 /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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9489
Total AfriNIC prefixes after maximum aggregation: 2170
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 9924
Unique aggregates announced from the AfriNIC address blocks: 3400
AfriNIC Region origin ASes present in the Internet Routing Table: 550
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 166
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: 41355008
Equivalent to 2 /8s, 119 /16s and 7 /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 1594 387 161 TATA Communications formerly
9829 1306 1085 26 National Internet Backbone
9583 1161 87 509 Sify Limited
7552 1110 1062 11 Vietel Corporation
24560 1037 385 165 Bharti Airtel Ltd., Telemedia
9498 991 294 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 3412 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 1574 1044 382 tw telecom holdings, inc.
30036 1405 274 789 Mediacom Communications Corp
7018 1264 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 1504 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 613 100 9 Ukraine
8551 603 364 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 1337 3053 344 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 695 75 90 Telconet S.A
11172 644 107 75 Alestra, S. de R.L. de C.V.
3816 600 250 84 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 1030 958 13 TEDATA
24863 862 274 32 LINKdotNET AS number
6713 509 650 19 Itissalat Al-MAGHRIB
36998 483 48 3 MOBITEL
24835 286 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
12258 197 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 160 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 3412 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 1504 1488 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 5.149.64.0/19 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.
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
5.10.8.0/21 57154 Stadtwerke Konstanz GmbH
5.10.40.0/21 12466 BICOS.NET Autonomous System
5.10.48.0/20 29562 Kabel Baden-Wuerttemberg GmbH
5.158.96.0/19 38934 Pride Limited
5.158.200.0/21 23456 32-bit ASN transition
5.158.208.0/21 2914 Verio, Inc.
5.159.40.0/21 23456 32-bit ASN transition
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
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 /11:83 /12:236
/13:473 /14:846 /15:1524 /16:12257 /17:6367 /18:10659
/19:20803 /20:29819 /21:31392 /22:40885 /23:39176 /24:216652
/25:11 /26:22 /27:19 /28:149 /29:154 /30:83
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2773 3412 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1864 3383 BellSouth.net Inc.
30036 1340 1405 Mediacom Communications Corp
8402 1203 1504 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)
----------------------------------------------
1:525 2:637 3:1 4:13 5:239 6:3
8:438 12:1975 13:1 14:624 15:11 16:3
17:6 20:24 23:201 24:1792 27:1309 31:1039
32:51 33:2 34:2 36:8 37:673 38:817
39:1 40:134 41:2845 42:158 44:3 46:1551
47:2 49:428 50:564 52:13 54:14 55:8
56:1 57:38 58:922 59:529 60:233 61:1247
62:932 63:2025 64:4233 65:2238 66:4503 67:2023
68:1154 69:3195 70:986 71:520 72:1871 74:2604
75:489 76:333 77:924 78:928 79:491 80:1233
81:944 82:649 83:540 84:511 85:1161 86:406
87:932 88:346 89:1705 90:301 91:5058 92:585
93:1308 94:1547 95:1223 96:401 97:315 98:888
99:36 100:21 101:254 103:1291 105:464 106:115
107:189 108:387 109:1463 110:781 111:939 112:420
113:665 114:659 115:915 116:892 117:719 118:944
119:1177 120:349 121:790 122:1635 123:1150 124:1303
125:1259 128:521 129:179 130:254 131:632 132:291
133:22 134:235 135:61 136:214 137:237 138:342
139:181 140:468 141:253 142:418 143:363 144:491
145:78 146:502 147:284 148:750 149:318 150:146
151:186 152:471 153:176 154:18 155:419 156:222
157:337 158:190 159:547 160:343 161:257 162:382
163:178 164:665 165:409 166:584 167:534 168:952
169:126 170:899 171:147 172:5 173:1734 174:605
175:427 176:568 177:996 178:1652 180:1324 181:113
182:1018 183:206 184:558 186:2031 187:1096 188:1379
189:1570 190:6129 192:5969 193:5441 194:4189 195:3203
196:1207 197:184 198:3640 199:4894 200:5891 201:1976
202:8445 203:8564 204:4323 205:2512 206:2703 207:2773
208:4045 209:3619 210:2700 211:1542 212:2056 213:1806
214:872 215:85 216:5065 217:1566 218:548 219:319
220:1229 221:552 222:299 223:338
End of report
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