* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sat 25 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414880
Prefixes after maximum aggregation: 175276
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206306
Total ASes present in the Internet Routing Table: 38977
Prefixes per ASN: 10.64
Origin-only ASes present in the Internet Routing Table: 33568
Origin ASes announcing only one prefix: 15786
Transit ASes present in the Internet Routing Table: 5409
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1250
Unregistered ASNs in the Routing Table: 237
Number of 32-bit ASNs allocated by the RIRs: 3169
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7183
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 177
Number of addresses announced to Internet: 2610690304
Equivalent to 155 /8s, 155 /16s and 249 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.5
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.3
Total number of prefixes smaller than registry allocations: 144070
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96383
Total APNIC prefixes after maximum aggregation: 31169
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97562
Unique aggregates announced from the APNIC address blocks: 42377
APNIC Region origin ASes present in the Internet Routing Table: 4689
APNIC Prefixes per ASN: 20.81
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 735
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: 705398784
Equivalent to 42 /8s, 11 /16s and 136 /24s
Percentage of available APNIC address space announced: 82.4
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: 152658
Total ARIN prefixes after maximum aggregation: 77399
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153647
Unique aggregates announced from the ARIN address blocks: 68880
ARIN Region origin ASes present in the Internet Routing Table: 15172
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5760
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: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1085172992
Equivalent to 64 /8s, 174 /16s and 109 /24s
Percentage of available ARIN address space announced: 57.4
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: 106019
Total RIPE prefixes after maximum aggregation: 56145
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108290
Unique aggregates announced from the RIPE address blocks: 69297
RIPE Region origin ASes present in the Internet Routing Table: 16790
RIPE Prefixes per ASN: 6.45
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2654
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 641402880
Equivalent to 38 /8s, 59 /16s and 8 /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: 42338
Total LACNIC prefixes after maximum aggregation: 8321
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 45164
Unique aggregates announced from the LACNIC address blocks: 22158
LACNIC Region origin ASes present in the Internet Routing Table: 1622
LACNIC Prefixes per ASN: 27.84
LACNIC Region origin ASes announcing only one prefix: 434
LACNIC Region transit ASes present in the Internet Routing Table: 304
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 114459648
Equivalent to 6 /8s, 210 /16s and 132 /24s
Percentage of available LACNIC address space announced: 68.2
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: 9572
Total AfriNIC prefixes after maximum aggregation: 2188
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 10039
Unique aggregates announced from the AfriNIC address blocks: 3452
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 172
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: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 41670912
Equivalent to 2 /8s, 123 /16s and 217 /24s
Percentage of available AfriNIC address space announced: 41.4
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 2342 702 54 PT Telekomunikasi Indonesia
4766 2058 11109 813 Korea Telecom (KIX)
7545 1713 301 87 TPG Internet Pty Ltd
4755 1587 385 157 TATA Communications formerly
9829 1311 1100 27 National Internet Backbone
9583 1176 86 509 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1036 385 158 Bharti Airtel Ltd., Telemedia
9498 1001 294 74 BHARTI Airtel Ltd.
4808 975 1958 292 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 3445 990 154 Windstream Communications Inc
6389 3359 3755 191 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1942 680 129 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
20115 1648 1575 609 Charter Communications
4323 1571 1042 388 tw telecom holdings, inc.
30036 1448 284 735 Mediacom Communications Corp
7018 1254 10340 822 AT&T Services, Inc.
11492 1197 217 345 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 1477 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 751 189 176 BILISIM TELEKOM
6830 720 2313 447 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 690 226 546 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 598 364 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 2101 358 219 Types of queries are: POCs, o
28573 2051 1244 55 Types of queries are: POCs, o
7303 1565 1034 200 Telecom Argentina S.A.
6503 1408 435 70 Axtel, S.A.B. de C.V.
8151 1336 3015 343 Uninet S.A. de C.V.
6458 883 81 15 Telgua
27947 696 75 90 Telconet S.A
3816 604 255 90 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 880 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 534 48 3 MOBITEL
6713 516 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 904 223 The Internet Solution
12258 194 28 66 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
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 3445 990 154 Windstream Communications Inc
6389 3359 3755 191 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2101 358 219 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2058 11109 813 Korea Telecom (KIX)
28573 2051 1244 55 Types of queries are: POCs, o
1785 1942 680 129 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1713 301 87 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 3359 3168 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2051 1996 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2101 1882 Types of queries are: POCs, o
1785 1942 1813 PaeTec Communications, Inc.
22773 1824 1696 Cox Communications Inc.
7545 1713 1626 TPG Internet Pty Ltd
8402 1477 1461 Corbina telecom
4755 1587 1430 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
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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.
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
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
41.207.224.0/23 36898 UniNet Communications
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 /9:14 /10:30 /11:84 /12:237
/13:472 /14:843 /15:1541 /16:12330 /17:6430 /18:10737
/19:20910 /20:30016 /21:31607 /22:41488 /23:39394 /24:218144
/25:11 /26:22 /27:18 /28:147 /29:161 /30:83
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2807 3445 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1855 3359 BellSouth.net Inc.
30036 1380 1448 Mediacom Communications Corp
8402 1209 1477 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1042 1942 PaeTec Communications, Inc.
6503 968 1408 Axtel, S.A.B. de C.V.
7011 933 1193 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:528 2:717 3:1 4:13 5:364 6:3
8:437 12:2005 13:1 14:635 15:11 16:3
17:6 20:27 23:204 24:1800 27:1320 31:1059
32:51 33:2 34:2 36:8 37:717 38:819
39:1 40:133 41:2852 42:154 44:3 46:1584
47:2 49:467 50:585 52:13 54:17 55:7
56:1 57:36 58:930 59:519 60:234 61:1172
62:954 63:2005 64:4258 65:2242 66:4511 67:2044
68:1156 69:3201 70:988 71:525 72:1861 74:2570
75:491 76:330 77:943 78:905 79:488 80:1236
81:956 82:640 83:535 84:513 85:1135 86:463
87:929 88:351 89:1813 90:299 91:5134 92:591
93:1345 94:1576 95:1245 96:414 97:317 98:893
99:36 100:23 101:260 103:1418 105:512 106:115
107:191 108:413 109:1493 110:791 111:953 112:423
113:683 114:650 115:838 116:870 117:724 118:931
119:1205 120:294 121:674 122:1613 123:1169 124:1317
125:1265 128:487 129:178 130:268 131:620 132:292
133:22 134:236 135:61 136:217 137:236 138:337
139:182 140:474 141:274 142:465 143:355 144:481
145:81 146:504 147:256 148:742 149:298 150:149
151:168 152:456 153:177 154:19 155:431 156:221
157:337 158:179 159:561 160:348 161:386 162:403
163:178 164:680 165:405 166:559 167:539 168:953
169:124 170:907 171:145 172:5 173:1716 174:632
175:433 176:598 177:1047 178:1686 180:1342 181:125
182:1026 183:222 184:589 186:2144 187:1074 188:1441
189:1540 190:6157 192:5974 193:5465 194:4230 195:3244
196:1224 197:205 198:3691 199:4892 200:5877 201:1960
202:8491 203:8552 204:4333 205:2518 206:2727 207:2798
208:4042 209:3626 210:2737 211:1544 212:2035 213:1806
214:880 215:84 216:5121 217:1551 218:533 219:299
220:1235 221:510 222:303 223:328
End of report
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