* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 09 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 417911
Prefixes after maximum aggregation: 175756
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207259
Total ASes present in the Internet Routing Table: 39021
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 33586
Origin ASes announcing only one prefix: 15781
Transit ASes present in the Internet Routing Table: 5435
Transit-only ASes present in the Internet Routing Table: 110
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: 1346
Unregistered ASNs in the Routing Table: 273
Number of 32-bit ASNs allocated by the RIRs: 3240
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7451
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 187
Number of addresses announced to Internet: 2612236800
Equivalent to 155 /8s, 179 /16s and 146 /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: 93.5
Total number of prefixes smaller than registry allocations: 144973
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96899
Total APNIC prefixes after maximum aggregation: 31164
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 98057
Unique aggregates announced from the APNIC address blocks: 42563
APNIC Region origin ASes present in the Internet Routing Table: 4697
APNIC Prefixes per ASN: 20.88
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 730
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: 705086976
Equivalent to 42 /8s, 6 /16s and 198 /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: 152932
Total ARIN prefixes after maximum aggregation: 77503
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153907
Unique aggregates announced from the ARIN address blocks: 69011
ARIN Region origin ASes present in the Internet Routing Table: 15165
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5733
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: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1083184896
Equivalent to 64 /8s, 144 /16s and 23 /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: 107172
Total RIPE prefixes after maximum aggregation: 56546
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109592
Unique aggregates announced from the RIPE address blocks: 69868
RIPE Region origin ASes present in the Internet Routing Table: 16835
RIPE Prefixes per ASN: 6.51
RIPE Region origin ASes announcing only one prefix: 8168
RIPE Region transit ASes present in the Internet Routing Table: 2682
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: 644455168
Equivalent to 38 /8s, 105 /16s and 155 /24s
Percentage of available RIPE address space announced: 93.7
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: 42938
Total LACNIC prefixes after maximum aggregation: 8289
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 45866
Unique aggregates announced from the LACNIC address blocks: 22179
LACNIC Region origin ASes present in the Internet Routing Table: 1626
LACNIC Prefixes per ASN: 28.21
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 308
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: 115073280
Equivalent to 6 /8s, 219 /16s and 225 /24s
Percentage of available LACNIC address space announced: 68.6
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: 9828
Total AfriNIC prefixes after maximum aggregation: 2197
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 10301
Unique aggregates announced from the AfriNIC address blocks: 3489
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.56
AfriNIC Region origin ASes announcing only one prefix: 171
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: 41692928
Equivalent to 2 /8s, 124 /16s and 47 /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 2080 11111 829 Korea Telecom (KIX)
7545 1746 301 86 TPG Internet Pty Ltd
4755 1595 386 160 TATA Communications formerly
9829 1324 1101 31 National Internet Backbone
9583 1180 87 509 Sify Limited
7552 1108 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 BHARTI Airtel Ltd.
4808 975 1945 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 3455 990 154 Windstream Communications Inc
6389 3333 3736 185 BellSouth.net Inc.
18566 2086 382 180 Covad Communications Co.
1785 1915 678 127 PaeTec Communications, Inc.
22773 1886 2931 129 Cox Communications Inc.
20115 1658 1578 614 Charter Communications
4323 1576 1042 384 tw telecom holdings, inc.
30036 1416 278 745 Mediacom Communications Corp
7018 1260 10333 836 AT&T Services, Inc.
11492 1197 217 343 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 1572 544 16 Corbina telecom
2118 1401 97 14 EUnet/RELCOM Autonomous Syste
12479 830 765 82 France Telecom Espana SA
34984 756 205 178 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 713 37 9 FreeNet ISP
20940 695 228 550 Akamai Technologies European
13188 690 100 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
28573 2129 1248 54 Types of queries are: POCs, o
10620 2121 361 234 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1527 451 71 Axtel, S.A.B. de C.V.
8151 1437 3014 343 Uninet S.A. de C.V.
6458 790 81 15 Telgua
27947 697 75 89 Telconet S.A
3816 641 263 95 Types of queries are: POCs, o
11172 593 101 69 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
24863 878 275 36 LINKdotNET AS number
8452 833 958 13 TEDATA
36998 774 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 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 3455 990 154 Windstream Communications Inc
6389 3333 3736 185 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
28573 2129 1248 54 Types of queries are: POCs, o
10620 2121 361 234 Types of queries are: POCs, o
18566 2086 382 180 Covad Communications Co.
4766 2080 11111 829 Korea Telecom (KIX)
1785 1915 678 127 PaeTec Communications, Inc.
22773 1886 2931 129 Cox Communications Inc.
7545 1746 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
6389 3333 3148 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2129 2075 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
10620 2121 1887 Types of queries are: POCs, o
1785 1915 1788 PaeTec Communications, Inc.
22773 1886 1757 Cox Communications Inc.
7545 1746 1660 TPG Internet Pty Ltd
8402 1572 1556 Corbina telecom
6503 1527 1456 Axtel, S.A.B. de C.V.
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 5.149.65.0/24 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.
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
5.226.48.0/23 44498 Touse Rasan Pasargad Co. P.J.
5.226.48.0/21 44498 Touse Rasan Pasargad Co. P.J.
5.226.50.0/23 44498 Touse Rasan Pasargad Co. P.J.
5.226.52.0/23 44498 Touse Rasan Pasargad Co. P.J.
5.226.54.0/23 44498 Touse Rasan Pasargad Co. P.J.
5.226.64.0/18 12741 Netia SA
5.226.136.0/21 25369 4u servers
5.228.0.0/16 42610 RIPE Network Coordination Cen
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
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
/13:474 /14:842 /15:1551 /16:12338 /17:6431 /18:10742
/19:21016 /20:30204 /21:31976 /22:41884 /23:39531 /24:219992
/25:9 /26:11 /27:8 /28:141 /29:154 /30:83
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2811 3455 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1849 3333 BellSouth.net Inc.
30036 1349 1416 Mediacom Communications Corp
8402 1295 1572 Corbina telecom
22773 1229 1886 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1527 Axtel, S.A.B. de C.V.
1785 1014 1915 PaeTec Communications, Inc.
7011 933 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)
----------------------------------------------
1:556 2:725 3:1 4:13 5:441 6:3
8:453 12:1999 13:1 14:647 15:11 16:3
17:6 20:27 23:201 24:1817 27:1330 31:919
32:51 33:2 34:2 36:7 37:758 38:823
39:2 40:133 41:3096 42:158 44:3 46:1526
47:2 49:469 50:587 52:13 54:17 55:8
56:1 57:35 58:930 59:523 60:236 61:1178
62:913 63:1998 64:4261 65:2241 66:4489 67:2049
68:1168 69:3196 70:983 71:522 72:1872 74:2569
75:496 76:322 77:945 78:935 79:488 80:1226
81:954 82:639 83:532 84:516 85:1148 86:482
87:924 88:351 89:1791 90:301 91:5203 92:577
93:1356 94:1621 95:1249 96:416 97:318 98:893
99:36 100:23 101:257 103:1487 105:512 106:118
107:197 108:426 109:1501 110:779 111:961 112:443
113:702 114:657 115:845 116:818 117:730 118:946
119:1217 120:301 121:675 122:1610 123:1170 124:1315
125:1269 128:516 129:178 130:270 131:621 132:304
133:22 134:240 135:61 136:215 137:235 138:342
139:185 140:474 141:279 142:467 143:360 144:483
145:80 146:502 147:274 148:744 149:322 150:149
151:177 152:448 153:182 154:19 155:436 156:219
157:334 158:184 159:562 160:343 161:389 162:407
163:179 164:670 165:411 166:560 167:546 168:957
169:124 170:905 171:149 172:6 173:1722 174:618
175:438 176:569 177:1085 178:1660 180:1358 181:133
182:1021 183:227 184:596 186:2167 187:1247 188:1529
189:1581 190:6084 192:5974 193:5710 194:4554 195:3425
196:1214 197:223 198:3724 199:4928 200:5888 201:1963
202:8500 203:8591 204:4350 205:2523 206:2665 207:2797
208:4048 209:3647 210:2762 211:1534 212:2042 213:1817
214:885 215:86 216:5119 217:1557 218:534 219:299
220:1235 221:511 222:303 223:367
End of report
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