* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 14 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 418628
Prefixes after maximum aggregation: 175567
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207150
Total ASes present in the Internet Routing Table: 39066
Prefixes per ASN: 10.72
Origin-only ASes present in the Internet Routing Table: 33623
Origin ASes announcing only one prefix: 15788
Transit ASes present in the Internet Routing Table: 5443
Transit-only ASes present in the Internet Routing Table: 116
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: 1356
Unregistered ASNs in the Routing Table: 278
Number of 32-bit ASNs allocated by the RIRs: 3270
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7631
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 181
Number of addresses announced to Internet: 2614955264
Equivalent to 155 /8s, 221 /16s and 13 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.6
Total number of prefixes smaller than registry allocations: 145100
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97138
Total APNIC prefixes after maximum aggregation: 30941
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 98326
Unique aggregates announced from the APNIC address blocks: 42671
APNIC Region origin ASes present in the Internet Routing Table: 4710
APNIC Prefixes per ASN: 20.88
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 738
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: 705381376
Equivalent to 42 /8s, 11 /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: 152818
Total ARIN prefixes after maximum aggregation: 77570
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153775
Unique aggregates announced from the ARIN address blocks: 69091
ARIN Region origin ASes present in the Internet Routing Table: 15177
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5734
ARIN Region transit ASes present in the Internet Routing Table: 1521
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 16
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1083843840
Equivalent to 64 /8s, 154 /16s and 37 /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: 107428
Total RIPE prefixes after maximum aggregation: 56510
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109909
Unique aggregates announced from the RIPE address blocks: 69837
RIPE Region origin ASes present in the Internet Routing Table: 16835
RIPE Prefixes per ASN: 6.53
RIPE Region origin ASes announcing only one prefix: 8165
RIPE Region transit ASes present in the Internet Routing Table: 2680
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: 645197312
Equivalent to 38 /8s, 116 /16s and 238 /24s
Percentage of available RIPE address space announced: 93.8
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: 43102
Total LACNIC prefixes after maximum aggregation: 8268
LACNIC Deaggregation factor: 5.21
Prefixes being announced from the LACNIC address blocks: 46142
Unique aggregates announced from the LACNIC address blocks: 21928
LACNIC Region origin ASes present in the Internet Routing Table: 1632
LACNIC Prefixes per ASN: 28.27
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 309
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: 116082432
Equivalent to 6 /8s, 235 /16s and 71 /24s
Percentage of available LACNIC address space announced: 69.2
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: 9806
Total AfriNIC prefixes after maximum aggregation: 2221
AfriNIC Deaggregation factor: 4.42
Prefixes being announced from the AfriNIC address blocks: 10294
Unique aggregates announced from the AfriNIC address blocks: 3471
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 41806080
Equivalent to 2 /8s, 125 /16s and 233 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2339 702 54 PT Telekomunikasi Indonesia
4766 2111 11421 605 Korea Telecom (KIX)
7545 1753 301 88 TPG Internet Pty Ltd
4755 1595 386 160 TATA Communications formerly
9829 1334 1106 41 National Internet Backbone
9583 1182 87 511 Sify Limited
7552 1111 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1009 310 73 BHARTI Airtel Ltd.
4808 981 1949 293 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 3330 3735 185 BellSouth.net Inc.
7029 3151 990 161 Windstream Communications Inc
18566 2086 382 180 Covad Communications Co.
1785 1914 678 128 PaeTec Communications, Inc.
22773 1887 2931 129 Cox Communications Inc.
20115 1659 1580 615 Charter Communications
4323 1576 1170 386 tw telecom holdings, inc.
30036 1393 274 745 Mediacom Communications Corp
7018 1247 10333 833 AT&T Services, Inc.
7011 1204 329 698 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 1589 544 16 Corbina telecom
2118 1401 97 14 EUnet/RELCOM Autonomous Syste
12479 842 773 78 France Telecom Espana SA
34984 765 205 179 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 714 37 9 FreeNet ISP
20940 698 229 552 Akamai Technologies European
13188 690 100 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 2156 368 223 Types of queries are: POCs, o
28573 2138 1248 54 Types of queries are: POCs, o
7303 1565 1034 199 Telecom Argentina S.A.
6503 1527 451 71 Axtel, S.A.B. de C.V.
8151 1435 3015 343 Uninet S.A. de C.V.
6458 750 81 15 Telgua
27947 697 75 89 Telconet S.A
3816 645 310 30 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 581 83 100 CORPORACION NACIONAL DE TELEC
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
24863 879 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 748 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 223 The Internet Solution
33776 231 13 11 Starcomms Nigeria Limited
12258 194 28 66 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
6389 3330 3735 185 BellSouth.net Inc.
7029 3151 990 161 Windstream Communications Inc
17974 2339 702 54 PT Telekomunikasi Indonesia
10620 2156 368 223 Types of queries are: POCs, o
28573 2138 1248 54 Types of queries are: POCs, o
4766 2111 11421 605 Korea Telecom (KIX)
18566 2086 382 180 Covad Communications Co.
1785 1914 678 128 PaeTec Communications, Inc.
22773 1887 2931 129 Cox Communications Inc.
7545 1753 301 88 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
7029 3151 2990 Windstream Communications Inc
17974 2339 2285 PT Telekomunikasi Indonesia
28573 2138 2084 Types of queries are: POCs, o
10620 2156 1933 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1914 1786 PaeTec Communications, Inc.
22773 1887 1758 Cox Communications Inc.
7545 1753 1665 TPG Internet Pty Ltd
8402 1589 1573 Corbina telecom
4766 2111 1506 Korea Telecom (KIX)
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
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
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 5.149.64.0/19 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.
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
5.248.0.0/16 15895 Kyivstar GSM
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 /8:19 /9:14 /10:30 /11:84 /12:237
/13:475 /14:846 /15:1555 /16:12355 /17:6461 /18:10753
/19:21045 /20:30206 /21:32032 /22:41897 /23:39536 /24:220521
/25:9 /26:13 /27:10 /28:144 /29:163 /30:84
/31:0 /32:139
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2638 3151 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1852 3330 BellSouth.net Inc.
30036 1328 1393 Mediacom Communications Corp
8402 1312 1589 Corbina telecom
22773 1228 1887 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1049 1527 Axtel, S.A.B. de C.V.
1785 1014 1914 PaeTec Communications, Inc.
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:569 2:553 3:1 4:13 5:475 6:3
8:454 12:1999 13:1 14:650 15:11 16:3
17:6 20:27 23:202 24:1785 27:1328 31:1040
32:51 33:2 34:2 36:7 37:757 38:821
39:2 40:133 41:3061 42:158 44:3 46:1560
47:2 49:477 50:588 52:13 54:18 55:9
56:1 57:35 58:929 59:528 60:237 61:1176
62:912 63:1990 64:4262 65:2236 66:4491 67:2040
68:1170 69:3197 70:982 71:509 72:1873 74:2598
75:483 76:313 77:937 78:960 79:486 80:1227
81:956 82:634 83:533 84:506 85:1147 86:460
87:926 88:363 89:1797 90:303 91:5203 92:578
93:1410 94:1621 95:1156 96:416 97:319 98:885
99:36 100:23 101:259 103:1524 105:512 106:119
107:198 108:437 109:1513 110:796 111:960 112:443
113:705 114:657 115:830 116:872 117:730 118:932
119:1225 120:299 121:676 122:1606 123:1159 124:1312
125:1282 128:515 129:176 130:270 131:626 132:295
133:22 134:239 135:61 136:216 137:236 138:342
139:169 140:473 141:280 142:468 143:368 144:489
145:80 146:509 147:256 148:744 149:323 150:150
151:173 152:448 153:183 154:19 155:437 156:219
157:335 158:186 159:570 160:343 161:389 162:358
163:179 164:684 165:413 166:530 167:549 168:961
169:124 170:908 171:150 172:7 173:1691 174:632
175:440 176:794 177:1163 178:1661 180:1345 181:136
182:1043 183:294 184:603 186:2241 187:1243 188:1510
189:1577 190:6053 192:5981 193:5733 194:4556 195:3437
196:1210 197:221 198:3734 199:4951 200:5894 201:1968
202:8502 203:8619 204:4354 205:2525 206:2689 207:2806
208:4062 209:3642 210:2763 211:1526 212:2048 213:1811
214:892 215:86 216:5116 217:1552 218:552 219:298
220:1237 221:513 222:299 223:372
End of report
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