* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Mon 17 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 418692
Prefixes after maximum aggregation: 175685
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207289
Total ASes present in the Internet Routing Table: 39059
Prefixes per ASN: 10.72
Origin-only ASes present in the Internet Routing Table: 33623
Origin ASes announcing only one prefix: 15789
Transit ASes present in the Internet Routing Table: 5436
Transit-only ASes present in the Internet Routing Table: 119
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 25
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1360
Unregistered ASNs in the Routing Table: 280
Number of 32-bit ASNs allocated by the RIRs: 3288
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7609
Special use prefixes present in the Routing Table: 7
Prefixes being announced from unallocated address space: 173
Number of addresses announced to Internet: 2615273216
Equivalent to 155 /8s, 225 /16s and 231 /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: 145422
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96970
Total APNIC prefixes after maximum aggregation: 30940
APNIC Deaggregation factor: 3.13
Prefixes being announced from the APNIC address blocks: 98166
Unique aggregates announced from the APNIC address blocks: 42659
APNIC Region origin ASes present in the Internet Routing Table: 4709
APNIC Prefixes per ASN: 20.85
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 729
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 705476608
Equivalent to 42 /8s, 12 /16s and 184 /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: 152865
Total ARIN prefixes after maximum aggregation: 77539
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153833
Unique aggregates announced from the ARIN address blocks: 69029
ARIN Region origin ASes present in the Internet Routing Table: 15174
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5742
ARIN Region transit ASes present in the Internet Routing Table: 1522
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1083982848
Equivalent to 64 /8s, 156 /16s and 68 /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: 107682
Total RIPE prefixes after maximum aggregation: 56631
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 110174
Unique aggregates announced from the RIPE address blocks: 70002
RIPE Region origin ASes present in the Internet Routing Table: 16835
RIPE Prefixes per ASN: 6.54
RIPE Region origin ASes announcing only one prefix: 8166
RIPE Region transit ASes present in the Internet Routing Table: 2673
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 25
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 645422848
Equivalent to 38 /8s, 120 /16s and 95 /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: 43091
Total LACNIC prefixes after maximum aggregation: 8319
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 46096
Unique aggregates announced from the LACNIC address blocks: 21989
LACNIC Region origin ASes present in the Internet Routing Table: 1635
LACNIC Prefixes per ASN: 28.19
LACNIC Region origin ASes announcing only one prefix: 448
LACNIC Region transit ASes present in the Internet Routing Table: 311
Average LACNIC Region AS path length visible: 4.1
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: 116138752
Equivalent to 6 /8s, 236 /16s and 35 /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: 9766
Total AfriNIC prefixes after maximum aggregation: 2199
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 10249
Unique aggregates announced from the AfriNIC address blocks: 3466
AfriNIC Region origin ASes present in the Internet Routing Table: 554
AfriNIC Prefixes per ASN: 18.50
AfriNIC Region origin ASes announcing only one prefix: 169
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: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 41689856
Equivalent to 2 /8s, 124 /16s and 35 /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 2339 702 54 PT Telekomunikasi Indonesia
4766 2111 11421 605 Korea Telecom (KIX)
7545 1751 301 86 TPG Internet Pty Ltd
4755 1596 386 160 TATA Communications formerly
9829 1334 1106 41 National Internet Backbone
9583 1177 87 513 Sify Limited
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
9498 1009 310 73 BHARTI Airtel Ltd.
4808 978 1948 291 CNCGROUP IP network China169
18101 941 130 154 Reliance Infocom Ltd Internet
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 3328 3734 185 BellSouth.net Inc.
7029 3154 990 161 Windstream Communications Inc
18566 2086 382 180 Covad Communications Co.
1785 1915 678 127 PaeTec Communications, Inc.
22773 1885 2931 129 Cox Communications Inc.
20115 1659 1580 615 Charter Communications
4323 1572 1169 385 tw telecom holdings, inc.
30036 1387 273 743 Mediacom Communications Corp
7018 1250 10333 835 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 1616 544 16 Corbina telecom
2118 1401 97 14 EUnet/RELCOM Autonomous Syste
12479 846 773 79 France Telecom Espana SA
34984 766 205 179 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 709 37 9 FreeNet ISP
20940 700 229 550 Akamai Technologies European
13188 681 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 599 364 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 2144 1248 54 Types of queries are: POCs, o
7303 1565 1034 199 Telecom Argentina S.A.
6503 1526 435 70 Axtel, S.A.B. de C.V.
8151 1432 3014 345 Uninet S.A. de C.V.
6458 749 81 15 Telgua
27947 683 63 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 580 83 101 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 880 275 36 LINKdotNET AS number
8452 810 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
33776 207 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 3328 3734 185 BellSouth.net Inc.
7029 3154 990 161 Windstream Communications Inc
17974 2339 702 54 PT Telekomunikasi Indonesia
10620 2156 368 223 Types of queries are: POCs, o
28573 2144 1248 54 Types of queries are: POCs, o
4766 2111 11421 605 Korea Telecom (KIX)
18566 2086 382 180 Covad Communications Co.
1785 1915 678 127 PaeTec Communications, Inc.
22773 1885 2931 129 Cox Communications Inc.
7545 1751 301 86 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 3154 2993 Windstream Communications Inc
17974 2339 2285 PT Telekomunikasi Indonesia
28573 2144 2090 Types of queries are: POCs, o
10620 2156 1933 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1915 1788 PaeTec Communications, Inc.
22773 1885 1756 Cox Communications Inc.
7545 1751 1665 TPG Internet Pty Ltd
8402 1616 1600 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
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.
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
128.0.80.0/20 52041 Timer LTD
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /14:847 /15:1556 /16:12355 /17:6464 /18:10744
/19:21039 /20:29952 /21:32026 /22:41974 /23:39538 /24:220773
/25:9 /26:14 /27:10 /28:143 /29:166 /30:86
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3154 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1850 3328 BellSouth.net Inc.
8402 1338 1616 Corbina telecom
30036 1322 1387 Mediacom Communications Corp
22773 1226 1885 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1049 1526 Axtel, S.A.B. de C.V.
1785 1015 1915 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)
----------------------------------------------
1:586 2:561 3:1 4:13 5:490 6:3
8:455 12:1994 13:1 14:649 15:11 16:3
17:6 20:27 23:205 24:1787 27:1331 31:1044
32:51 33:2 34:2 36:7 37:754 38:820
39:2 40:133 41:3057 42:158 44:3 46:1577
47:2 49:477 50:588 52:13 54:18 55:7
56:1 57:35 58:927 59:529 60:237 61:1182
62:916 63:1988 64:4267 65:2236 66:4492 67:2038
68:1169 69:3212 70:984 71:509 72:1871 74:2599
75:483 76:313 77:940 78:964 79:487 80:1226
81:957 82:632 83:533 84:515 85:1155 86:487
87:928 88:363 89:1807 90:302 91:5214 92:580
93:1403 94:1622 95:1210 96:416 97:319 98:992
99:36 100:23 101:259 103:1526 105:512 106:118
107:198 108:437 109:1514 110:798 111:962 112:440
113:702 114:653 115:832 116:871 117:730 118:933
119:1225 120:300 121:676 122:1603 123:1161 124:1311
125:1281 128:518 129:177 130:270 131:624 132:303
133:22 134:239 135:61 136:217 137:236 138:340
139:169 140:474 141:282 142:467 143:358 144:484
145:80 146:511 147:256 148:741 149:323 150:149
151:170 152:449 153:183 154:19 155:434 156:223
157:335 158:186 159:574 160:343 161:389 162:357
163:179 164:680 165:413 166:530 167:551 168:959
169:124 170:908 171:149 172:7 173:1687 174:610
175:440 176:766 177:1157 178:1659 180:1360 181:136
182:1043 183:294 184:601 186:2207 187:1229 188:1525
189:1570 190:6091 192:5978 193:5730 194:4559 195:3440
196:1199 197:213 198:3740 199:4959 200:5882 201:1970
202:8503 203:8624 204:4355 205:2529 206:2686 207:2801
208:4063 209:3647 210:2763 211:1527 212:2044 213:1816
214:880 215:86 216:5125 217:1553 218:555 219:298
220:1238 221:513 222:299 223:381
End of report
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