Routing Table Report 08:00 +10GMT Tue 14 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414148
Prefixes after maximum aggregation: 175138
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 203820
Total ASes present in the Internet Routing Table: 38897
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 33499
Origin ASes announcing only one prefix: 15752
Transit ASes present in the Internet Routing Table: 5398
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: 1094
Unregistered ASNs in the Routing Table: 206
Number of 32-bit ASNs allocated by the RIRs: 3109
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6995
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 172
Number of addresses announced to Internet: 2608148224
Equivalent to 155 /8s, 117 /16s and 47 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.2
Total number of prefixes smaller than registry allocations: 143796
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96436
Total APNIC prefixes after maximum aggregation: 31279
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97577
Unique aggregates announced from the APNIC address blocks: 42174
APNIC Region origin ASes present in the Internet Routing Table: 4683
APNIC Prefixes per ASN: 20.84
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 733
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: 705497088
Equivalent to 42 /8s, 13 /16s and 8 /24s
Percentage of available APNIC address space announced: 82.5
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: 152545
Total ARIN prefixes after maximum aggregation: 77425
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153536
Unique aggregates announced from the ARIN address blocks: 68650
ARIN Region origin ASes present in the Internet Routing Table: 15161
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5756
ARIN Region transit ASes present in the Internet Routing Table: 1524
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: 1083859712
Equivalent to 64 /8s, 154 /16s and 99 /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: 105472
Total RIPE prefixes after maximum aggregation: 55913
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 107669
Unique aggregates announced from the RIPE address blocks: 67400
RIPE Region origin ASes present in the Internet Routing Table: 16736
RIPE Prefixes per ASN: 6.43
RIPE Region origin ASes announcing only one prefix: 8126
RIPE Region transit ASes present in the Internet Routing Table: 2651
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 641254912
Equivalent to 38 /8s, 56 /16s and 198 /24s
Percentage of available RIPE address space announced: 93.2
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: 42300
Total LACNIC prefixes after maximum aggregation: 8269
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 45074
Unique aggregates announced from the LACNIC address blocks: 22043
LACNIC Region origin ASes present in the Internet Routing Table: 1610
LACNIC Prefixes per ASN: 28.00
LACNIC Region origin ASes announcing only one prefix: 430
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: 113372160
Equivalent to 6 /8s, 193 /16s and 236 /24s
Percentage of available LACNIC address space announced: 67.6
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: 9667
Total AfriNIC prefixes after maximum aggregation: 2198
AfriNIC Deaggregation factor: 4.40
Prefixes being announced from the AfriNIC address blocks: 10119
Unique aggregates announced from the AfriNIC address blocks: 3408
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 119
Average AfriNIC Region AS path length visible: 3.5
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: 41516032
Equivalent to 2 /8s, 121 /16s and 124 /24s
Percentage of available AfriNIC address space announced: 41.2
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 2336 702 54 PT Telekomunikasi Indonesia
4766 2024 11106 780 Korea Telecom (KIX)
7545 1708 301 87 TPG Internet Pty Ltd
4755 1584 385 156 TATA Communications formerly
9829 1311 1084 31 National Internet Backbone
9583 1206 90 534 Sify Limited
7552 1092 1062 11 Vietel Corporation
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 996 294 74 BHARTI Airtel Ltd.
4808 967 1940 289 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 3669 990 156 Windstream Communications Inc
6389 3376 3773 194 BellSouth.net Inc.
18566 2089 382 180 Covad Communications Co.
1785 1939 680 129 PaeTec Communications, Inc.
22773 1699 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1572 1042 385 tw telecom holdings, inc.
30036 1436 280 785 Mediacom Communications Corp
7018 1243 10055 813 AT&T Services, Inc.
11492 1191 216 351 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 1407 544 16 Corbina telecom
12479 824 762 86 France Telecom Espana SA
34984 747 189 175 BILISIM TELEKOM
6830 716 2311 447 UPC Broadband
31148 699 37 9 FreeNet ISP
20940 696 230 550 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 656 100 9 Ukraine
58113 624 70 370 LIR DATACENTER TELECOM SRL
8551 600 364 61 Bezeq International
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 2077 353 220 Types of queries are: POCs, o
28573 2039 1232 55 Types of queries are: POCs, o
7303 1561 1032 201 Telecom Argentina S.A.
6503 1520 419 69 Axtel, S.A.B. de C.V.
8151 1331 3026 339 Uninet S.A. de C.V.
6458 881 81 15 Telgua
27947 691 75 90 Telconet S.A
3816 601 254 92 Types of queries are: POCs, o
11172 591 101 70 Alestra, S. de R.L. de C.V.
22047 580 326 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 906 958 13 TEDATA
24863 865 274 33 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
33776 227 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3669 990 156 Windstream Communications Inc
6389 3376 3773 194 BellSouth.net Inc.
17974 2336 702 54 PT Telekomunikasi Indonesia
18566 2089 382 180 Covad Communications Co.
10620 2077 353 220 Types of queries are: POCs, o
28573 2039 1232 55 Types of queries are: POCs, o
4766 2024 11106 780 Korea Telecom (KIX)
1785 1939 680 129 PaeTec Communications, Inc.
7545 1708 301 87 TPG Internet Pty Ltd
22773 1699 2914 125 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
6389 3376 3182 BellSouth.net Inc.
17974 2336 2282 PT Telekomunikasi Indonesia
28573 2039 1984 Types of queries are: POCs, o
18566 2089 1909 Covad Communications Co.
10620 2077 1857 Types of queries are: POCs, o
1785 1939 1810 PaeTec Communications, Inc.
7545 1708 1621 TPG Internet Pty Ltd
22773 1699 1574 Cox Communications Inc.
6503 1520 1451 Axtel, S.A.B. de C.V.
4755 1584 1428 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 NTS workspace AG
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
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.
59457 UNALLOCATED 5.149.67.0/24 43179 Team Consulting d.o.
59457 UNALLOCATED 5.149.68.0/24 43179 Team Consulting d.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o.
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
5.191.0.0/16 31721 Azercell Telecom AS
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 /8:21 /9:14 /10:30 /11:84 /12:237
/13:471 /14:847 /15:1528 /16:12322 /17:6387 /18:10664
/19:20827 /20:29981 /21:31572 /22:41334 /23:39372 /24:217878
/25:11 /26:22 /27:18 /28:146 /29:155 /30:85
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2940 3669 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1861 3376 BellSouth.net Inc.
30036 1372 1436 Mediacom Communications Corp
11492 1154 1191 CABLE ONE, INC.
8402 1136 1407 Corbina telecom
22773 1123 1699 Cox Communications Inc.
6503 1047 1520 Axtel, S.A.B. de C.V.
1785 1041 1939 PaeTec Communications, Inc.
7011 929 1190 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:513 2:676 3:1 4:13 5:338 6:3
8:436 12:1977 13:1 14:632 15:11 16:3
17:6 20:26 23:199 24:1802 27:1331 31:1045
32:51 33:2 34:2 36:7 37:728 38:815
39:1 40:134 41:2890 42:154 44:3 46:1555
47:2 49:435 50:579 52:13 54:14 55:3
56:1 57:38 58:927 59:512 60:234 61:1177
62:949 63:2017 64:4234 65:2249 66:4525 67:2054
68:1157 69:3240 70:989 71:521 72:1866 74:2603
75:489 76:330 77:946 78:897 79:500 80:1238
81:936 82:639 83:541 84:511 85:1136 86:473
87:936 88:337 89:1805 90:303 91:5105 92:590
93:1320 94:1577 95:1238 96:410 97:317 98:908
99:36 100:22 101:253 103:1372 105:512 106:112
107:193 108:406 109:1498 110:789 111:953 112:422
113:668 114:647 115:833 116:904 117:721 118:944
119:1197 120:354 121:681 122:1613 123:1166 124:1312
125:1265 128:491 129:176 130:256 131:628 132:293
133:22 134:235 135:61 136:215 137:236 138:341
139:198 140:474 141:265 142:433 143:364 144:488
145:78 146:503 147:255 148:750 149:317 150:147
151:186 152:455 153:175 154:19 155:425 156:219
157:336 158:189 159:557 160:347 161:386 162:423
163:178 164:673 165:406 166:575 167:532 168:950
169:125 170:910 171:145 172:5 173:1741 174:628
175:433 176:589 177:985 178:1684 180:1318 181:117
182:1021 183:233 184:574 186:2064 187:1124 188:1445
189:1579 190:6116 192:5957 193:5453 194:4236 195:3236
196:1255 197:200 198:3653 199:4863 200:5916 201:1958
202:8469 203:8564 204:4320 205:2519 206:2729 207:2748
208:4045 209:3615 210:2705 211:1556 212:2027 213:1806
214:875 215:85 216:5104 217:1544 218:549 219:298
220:1236 221:553 222:300 223:362
End of report