* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 24 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414804
Prefixes after maximum aggregation: 175199
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206205
Total ASes present in the Internet Routing Table: 38965
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 33548
Origin ASes announcing only one prefix: 15774
Transit ASes present in the Internet Routing Table: 5417
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1314
Unregistered ASNs in the Routing Table: 258
Number of 32-bit ASNs allocated by the RIRs: 3162
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7168
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 182
Number of addresses announced to Internet: 2610505984
Equivalent to 155 /8s, 153 /16s and 41 /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: 143989
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96406
Total APNIC prefixes after maximum aggregation: 31145
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97584
Unique aggregates announced from the APNIC address blocks: 42398
APNIC Region origin ASes present in the Internet Routing Table: 4694
APNIC Prefixes per ASN: 20.79
APNIC Region origin ASes announcing only one prefix: 1270
APNIC Region transit ASes present in the Internet Routing Table: 737
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: 705446912
Equivalent to 42 /8s, 12 /16s and 68 /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: 152591
Total ARIN prefixes after maximum aggregation: 77407
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153575
Unique aggregates announced from the ARIN address blocks: 68861
ARIN Region origin ASes present in the Internet Routing Table: 15164
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5753
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: 1085170944
Equivalent to 64 /8s, 174 /16s and 101 /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: 106013
Total RIPE prefixes after maximum aggregation: 56094
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108281
Unique aggregates announced from the RIPE address blocks: 69170
RIPE Region origin ASes present in the Internet Routing Table: 16783
RIPE Prefixes per ASN: 6.45
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2658
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: 640903680
Equivalent to 38 /8s, 51 /16s and 106 /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: 42355
Total LACNIC prefixes after maximum aggregation: 8304
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45188
Unique aggregates announced from the LACNIC address blocks: 22141
LACNIC Region origin ASes present in the Internet Routing Table: 1620
LACNIC Prefixes per ASN: 27.89
LACNIC Region origin ASes announcing only one prefix: 431
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: 114583296
Equivalent to 6 /8s, 212 /16s and 103 /24s
Percentage of available LACNIC address space announced: 68.3
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: 9544
Total AfriNIC prefixes after maximum aggregation: 2195
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 9993
Unique aggregates announced from the AfriNIC address blocks: 3487
AfriNIC Region origin ASes present in the Internet Routing Table: 554
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 41678848
Equivalent to 2 /8s, 123 /16s and 248 /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 1721 301 87 TPG Internet Pty Ltd
4755 1586 385 156 TATA Communications formerly
9829 1307 1100 27 National Internet Backbone
9583 1171 86 510 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 999 294 74 BHARTI Airtel Ltd.
4808 973 1944 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 3450 990 154 Windstream Communications Inc
6389 3364 3772 193 BellSouth.net Inc.
18566 2088 382 180 Covad Communications Co.
1785 1941 680 129 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications Inc.
20115 1648 1575 609 Charter Communications
4323 1570 1042 386 tw telecom holdings, inc.
30036 1417 279 745 Mediacom Communications Corp
7018 1250 10323 819 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 1504 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 751 189 176 BILISIM TELEKOM
6830 722 2313 449 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 689 225 546 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 2095 356 215 Types of queries are: POCs, o
28573 2052 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 1334 3015 341 Uninet S.A. de C.V.
6458 882 81 15 Telgua
27947 695 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 878 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 534 48 3 MOBITEL
6713 517 650 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
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
29571 166 15 19 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 3450 990 154 Windstream Communications Inc
6389 3364 3772 193 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2095 356 215 Types of queries are: POCs, o
18566 2088 382 180 Covad Communications Co.
4766 2058 11109 813 Korea Telecom (KIX)
28573 2052 1244 55 Types of queries are: POCs, o
1785 1941 680 129 PaeTec Communications, Inc.
22773 1825 2930 128 Cox Communications Inc.
7545 1721 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 3364 3171 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2052 1997 Types of queries are: POCs, o
18566 2088 1908 Covad Communications Co.
10620 2095 1880 Types of queries are: POCs, o
1785 1941 1812 PaeTec Communications, Inc.
22773 1825 1697 Cox Communications Inc.
7545 1721 1634 TPG Internet Pty Ltd
8402 1504 1488 Corbina telecom
4755 1586 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
/13:473 /14:843 /15:1543 /16:12322 /17:6432 /18:10740
/19:20905 /20:30006 /21:31620 /22:41452 /23:39403 /24:218097
/25:11 /26:22 /27:18 /28:147 /29:162 /30:83
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2810 3450 Windstream Communications Inc
18566 2038 2088 Covad Communications Co.
6389 1856 3364 BellSouth.net Inc.
30036 1350 1417 Mediacom Communications Corp
8402 1233 1504 Corbina telecom
22773 1174 1825 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1041 1941 PaeTec Communications, Inc.
6503 968 1408 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)
----------------------------------------------
1:536 2:737 3:1 4:13 5:366 6:3
8:438 12:2004 13:1 14:635 15:11 16:3
17:6 20:27 23:195 24:1801 27:1321 31:1057
32:51 33:2 34:2 36:8 37:735 38:818
39:1 40:133 41:2797 42:153 44:3 46:1577
47:2 49:455 50:582 52:13 54:17 55:8
56:1 57:36 58:929 59:520 60:234 61:1173
62:954 63:2003 64:4255 65:2242 66:4510 67:2044
68:1155 69:3203 70:988 71:525 72:1861 74:2570
75:491 76:330 77:943 78:901 79:488 80:1240
81:955 82:643 83:534 84:513 85:1133 86:462
87:928 88:350 89:1806 90:299 91:5133 92:590
93:1344 94:1588 95:1246 96:398 97:317 98:897
99:36 100:22 101:259 103:1414 105:512 106:115
107:195 108:413 109:1490 110:794 111:951 112:421
113:682 114:652 115:838 116:868 117:721 118:934
119:1206 120:294 121:675 122:1613 123:1172 124:1317
125:1265 128:490 129:178 130:271 131:621 132:294
133:22 134:236 135:61 136:216 137:236 138:339
139:182 140:475 141:274 142:465 143:358 144:480
145:79 146:504 147:256 148:743 149:299 150:149
151:168 152:456 153:176 154:19 155:429 156:221
157:337 158:179 159:552 160:348 161:386 162:403
163:178 164:680 165:406 166:561 167:541 168:950
169:124 170:907 171:145 172:5 173:1713 174:630
175:433 176:596 177:1041 178:1683 180:1341 181:125
182:1026 183:221 184:583 186:2123 187:1074 188:1458
189:1544 190:6150 192:5972 193:5460 194:4231 195:3238
196:1219 197:205 198:3695 199:4891 200:5884 201:1964
202:8480 203:8571 204:4331 205:2516 206:2726 207:2802
208:4042 209:3626 210:2738 211:1543 212:2036 213:1808
214:883 215:84 216:5123 217:1552 218:531 219:290
220:1235 221:510 222:303 223:365
End of report
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