* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 13 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408896
Prefixes after maximum aggregation: 173650
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202583
Total ASes present in the Internet Routing Table: 38736
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 33366
Origin ASes announcing only one prefix: 15716
Transit ASes present in the Internet Routing Table: 5370
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: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1035
Unregistered ASNs in the Routing Table: 171
Number of 32-bit ASNs allocated by the RIRs: 2966
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6691
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2584225024
Equivalent to 154 /8s, 8 /16s and 37 /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: 93.1
Total number of prefixes smaller than registry allocations: 140629
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95789
Total APNIC prefixes after maximum aggregation: 31164
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 96824
Unique aggregates announced from the APNIC address blocks: 42029
APNIC Region origin ASes present in the Internet Routing Table: 4674
APNIC Prefixes per ASN: 20.72
APNIC Region origin ASes announcing only one prefix: 1275
APNIC Region transit ASes present in the Internet Routing Table: 721
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: 702078720
Equivalent to 41 /8s, 216 /16s and 223 /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: 151154
Total ARIN prefixes after maximum aggregation: 76998
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 152127
Unique aggregates announced from the ARIN address blocks: 68402
ARIN Region origin ASes present in the Internet Routing Table: 15128
ARIN Prefixes per ASN: 10.06
ARIN Region origin ASes announcing only one prefix: 5756
ARIN Region transit ASes present in the Internet Routing Table: 1530
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1071051776
Equivalent to 63 /8s, 214 /16s and 244 /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: 103711
Total RIPE prefixes after maximum aggregation: 55080
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 105842
Unique aggregates announced from the RIPE address blocks: 66979
RIPE Region origin ASes present in the Internet Routing Table: 16633
RIPE Prefixes per ASN: 6.36
RIPE Region origin ASes announcing only one prefix: 8075
RIPE Region transit ASes present in the Internet Routing Table: 2628
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: 635555328
Equivalent to 37 /8s, 225 /16s and 206 /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: 41735
Total LACNIC prefixes after maximum aggregation: 8224
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 44383
Unique aggregates announced from the LACNIC address blocks: 21737
LACNIC Region origin ASes present in the Internet Routing Table: 1596
LACNIC Prefixes per ASN: 27.81
LACNIC Region origin ASes announcing only one prefix: 433
LACNIC Region transit ASes present in the Internet Routing Table: 303
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: 112132352
Equivalent to 6 /8s, 175 /16s and 1 /24s
Percentage of available LACNIC address space announced: 66.8
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: 9095
Total AfriNIC prefixes after maximum aggregation: 2130
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 9542
Unique aggregates announced from the AfriNIC address blocks: 3279
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 17.19
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 40689920
Equivalent to 2 /8s, 108 /16s and 225 /24s
Percentage of available AfriNIC address space announced: 40.4
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 2141 558 80 PT Telekomunikasi Indonesia
4766 2005 11108 770 Korea Telecom (KIX)
7545 1688 301 88 TPG Internet Pty Ltd
4755 1594 387 160 TATA Communications formerly
9829 1303 1085 28 National Internet Backbone
9583 1168 88 506 Sify Limited
7552 1079 1062 11 Vietel Corporation
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 982 291 68 BHARTI Airtel Ltd.
4808 958 1941 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
6389 3389 3773 190 BellSouth.net Inc.
7029 3316 986 161 Windstream Communications Inc
18566 2089 382 181 Covad Communications Co.
1785 1935 681 131 PaeTec Communications, Inc.
22773 1664 2911 121 Cox Communications Inc.
20115 1649 1571 615 Charter Communications
4323 1572 1059 383 tw telecom holdings, inc.
30036 1386 268 785 Mediacom Communications Corp
7018 1263 10076 827 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 1539 544 16 Corbina telecom
2118 1023 97 14 EUnet/RELCOM Autonomous Syste
12479 794 741 93 France Telecom Espana SA
34984 728 189 174 BILISIM TELEKOM
6830 708 2292 442 UPC Broadband
31148 702 37 9 FreeNet ISP
20940 667 218 527 Akamai Technologies European
8551 600 364 61 Bezeq International
13188 578 100 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 1519 418 68 Axtel, S.A.B. de C.V.
7303 1454 934 194 Telecom Argentina S.A.
8151 1326 3024 338 Uninet S.A. de C.V.
6458 853 81 15 Telgua
27947 688 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
29975 167 571 19 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system
16637 158 664 88 MTN Network Solutions
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 190 BellSouth.net Inc.
7029 3316 986 161 Windstream Communications Inc
17974 2141 558 80 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
4766 2005 11108 770 Korea Telecom (KIX)
28573 2004 1214 55 Types of queries are: POCs, o
10620 1991 346 208 Types of queries are: POCs, o
1785 1935 681 131 PaeTec Communications, Inc.
7545 1688 301 88 TPG Internet Pty Ltd
22773 1664 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 3316 3155 Windstream Communications Inc
17974 2141 2061 PT Telekomunikasi Indonesia
28573 2004 1949 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
1785 1935 1804 PaeTec Communications, Inc.
10620 1991 1783 Types of queries are: POCs, o
7545 1688 1600 TPG Internet Pty Ltd
22773 1664 1543 Cox Communications Inc.
8402 1539 1523 Corbina telecom
6503 1519 1451 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
5.134.208.0/21 42656 QXL Poland sp. z o.o.
5.144.32.0/21 15576 NTS workspace AG
5.144.136.0/21 8304 ECRITEL Company
5.144.160.0/20 12637 Seeweb Srl
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
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 /16:12237 /17:6357 /18:10658
/19:20729 /20:29613 /21:31153 /22:40595 /23:38797 /24:214991
/25:11 /26:21 /27:19 /28:144 /29:146 /30:84
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2672 3316 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1868 3389 BellSouth.net Inc.
30036 1321 1386 Mediacom Communications Corp
8402 1236 1539 Corbina telecom
11492 1154 1191 CABLE ONE, INC.
22773 1094 1664 Cox Communications Inc.
6503 1051 1519 Axtel, S.A.B. de C.V.
1785 1044 1935 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)
----------------------------------------------
1:532 2:685 3:1 4:13 5:127 6:3
8:433 12:1974 13:1 14:627 15:12 16:3
17:5 20:24 23:187 24:1789 27:1317 31:1031
32:51 33:2 34:2 36:8 37:592 38:819
39:1 40:128 41:2974 42:141 44:3 46:1532
47:2 49:431 50:547 52:13 54:14 55:8
56:1 57:41 58:920 59:526 60:242 61:1228
62:927 63:2031 64:4221 65:2235 66:4485 67:2023
68:1149 69:3191 70:979 71:512 72:1868 74:2598
75:479 76:334 77:925 78:900 79:491 80:1221
81:944 82:662 83:526 84:500 85:1147 86:429
87:933 88:356 89:1672 90:300 91:5023 92:581
93:1300 94:1561 95:1214 96:371 97:318 98:893
99:36 100:20 101:251 103:1224 106:115 107:188
108:351 109:1439 110:778 111:931 112:419 113:607
114:644 115:897 116:891 117:709 118:901 119:1161
120:342 121:787 122:1626 123:1090 124:1306 125:1262
128:518 129:180 130:252 131:630 132:292 133:22
134:236 135:61 136:216 137:236 138:334 139:174
140:468 141:243 142:412 143:369 144:472 145:77
146:510 147:282 148:737 149:316 150:149 151:185
152:473 153:176 154:16 155:448 156:220 157:330
158:190 159:548 160:341 161:251 162:378 163:181
164:657 165:409 166:588 167:531 168:907 169:125
170:895 171:147 172:5 173:1725 174:610 175:428
176:556 177:944 178:1575 180:1265 181:104 182:962
183:205 184:539 186:1974 187:1083 188:1352 189:1588
190:6029 192:5968 193:5525 194:4472 195:3219 196:1209
197:171 198:3634 199:4818 200:5838 201:1991 202:8425
203:8549 204:4311 205:2520 206:2716 207:2717 208:4030
209:3607 210:2723 211:1538 212:1951 213:1827 214:863
215:80 216:5074 217:1545 218:542 219:322 220:1225
221:551 222:301 223:339
End of report
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