* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 12 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 418340
Prefixes after maximum aggregation: 175828
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207082
Total ASes present in the Internet Routing Table: 39043
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 33606
Origin ASes announcing only one prefix: 15781
Transit ASes present in the Internet Routing Table: 5437
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: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1351
Unregistered ASNs in the Routing Table: 273
Number of 32-bit ASNs allocated by the RIRs: 3244
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7599
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 203
Number of addresses announced to Internet: 2614511872
Equivalent to 155 /8s, 214 /16s and 73 /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: 145147
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97107
Total APNIC prefixes after maximum aggregation: 31191
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 98290
Unique aggregates announced from the APNIC address blocks: 42656
APNIC Region origin ASes present in the Internet Routing Table: 4705
APNIC Prefixes per ASN: 20.89
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 731
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: 705594624
Equivalent to 42 /8s, 14 /16s and 133 /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: 152716
Total ARIN prefixes after maximum aggregation: 77558
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153669
Unique aggregates announced from the ARIN address blocks: 69014
ARIN Region origin ASes present in the Internet Routing Table: 15165
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5730
ARIN Region transit ASes present in the Internet Routing Table: 1520
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: 1083804160
Equivalent to 64 /8s, 153 /16s and 138 /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: 107443
Total RIPE prefixes after maximum aggregation: 56572
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 109889
Unique aggregates announced from the RIPE address blocks: 69880
RIPE Region origin ASes present in the Internet Routing Table: 16839
RIPE Prefixes per ASN: 6.53
RIPE Region origin ASes announcing only one prefix: 8171
RIPE Region transit ASes present in the Internet Routing Table: 2692
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: 644859136
Equivalent to 38 /8s, 111 /16s and 197 /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: 42901
Total LACNIC prefixes after maximum aggregation: 8244
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 45936
Unique aggregates announced from the LACNIC address blocks: 21914
LACNIC Region origin ASes present in the Internet Routing Table: 1626
LACNIC Prefixes per ASN: 28.25
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 303
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: 115688704
Equivalent to 6 /8s, 229 /16s and 69 /24s
Percentage of available LACNIC address space announced: 69.0
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: 9869
Total AfriNIC prefixes after maximum aggregation: 2206
AfriNIC Deaggregation factor: 4.47
Prefixes being announced from the AfriNIC address blocks: 10352
Unique aggregates announced from the AfriNIC address blocks: 3465
AfriNIC Region origin ASes present in the Internet Routing Table: 558
AfriNIC Prefixes per ASN: 18.55
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: 41792768
Equivalent to 2 /8s, 125 /16s and 181 /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 2342 702 54 PT Telekomunikasi Indonesia
4766 2080 11111 829 Korea Telecom (KIX)
7545 1751 301 86 TPG Internet Pty Ltd
4755 1595 386 160 TATA Communications formerly
9829 1334 1106 41 National Internet Backbone
9583 1181 87 510 Sify Limited
7552 1115 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1009 310 73 BHARTI Airtel Ltd.
4808 977 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
6389 3331 3735 184 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 1886 2931 129 Cox Communications Inc.
20115 1660 1580 615 Charter Communications
4323 1577 1170 386 tw telecom holdings, inc.
30036 1411 278 750 Mediacom Communications Corp
7018 1270 10334 841 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 1623 544 16 Corbina telecom
2118 1401 97 14 EUnet/RELCOM Autonomous Syste
12479 831 766 83 France Telecom Espana SA
34984 764 205 178 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 713 37 9 FreeNet ISP
20940 698 229 553 Akamai Technologies European
13188 685 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 597 364 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 2143 365 221 Types of queries are: POCs, o
28573 2142 1248 54 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 1432 3014 340 Uninet S.A. de C.V.
6458 790 81 15 Telgua
27947 698 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 878 275 36 LINKdotNET AS number
8452 824 958 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 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 3331 3735 184 BellSouth.net Inc.
7029 3154 990 161 Windstream Communications Inc
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2143 365 221 Types of queries are: POCs, o
28573 2142 1248 54 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 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 2342 2288 PT Telekomunikasi Indonesia
28573 2142 2088 Types of queries are: POCs, o
10620 2143 1922 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1915 1788 PaeTec Communications, Inc.
22773 1886 1757 Cox Communications Inc.
7545 1751 1665 TPG Internet Pty Ltd
8402 1623 1607 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
5.226.184.0/21 50478 BVOX AS
5.230.0.0/19 12586 +----------------------------
5.230.0.0/15 12586 +----------------------------
5.230.32.0/19 12586 +----------------------------
5.230.64.0/19 12586 +----------------------------
5.230.96.0/19 12586 +----------------------------
5.230.128.0/19 12586 +----------------------------
5.230.160.0/19 12586 +----------------------------
5.230.192.0/19 12586 +----------------------------
5.230.224.0/19 12586 +----------------------------
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 /16:12342 /17:6455 /18:10748
/19:21041 /20:30200 /21:31984 /22:41931 /23:39569 /24:220248
/25:9 /26:13 /27:10 /28:141 /29:165 /30:84
/31:0 /32:140
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 1851 3331 BellSouth.net Inc.
8402 1345 1623 Corbina telecom
30036 1344 1411 Mediacom Communications Corp
22773 1228 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 1194 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 2:753 3:1 4:13 5:445 6:3
8:452 12:1998 13:1 14:652 15:11 16:3
17:6 20:27 23:201 24:1782 27:1330 31:1030
32:51 33:2 34:2 36:7 37:750 38:821
39:2 40:133 41:3118 42:158 44:3 46:1555
47:2 49:469 50:586 52:13 54:18 55:8
56:1 57:35 58:930 59:526 60:238 61:1177
62:899 63:1994 64:4262 65:2236 66:4490 67:2041
68:1172 69:3200 70:982 71:509 72:1869 74:2574
75:483 76:323 77:940 78:946 79:484 80:1220
81:956 82:637 83:534 84:516 85:1155 86:488
87:923 88:361 89:1809 90:303 91:5205 92:579
93:1382 94:1620 95:1241 96:415 97:319 98:877
99:36 100:23 101:259 103:1499 105:512 106:119
107:198 108:428 109:1514 110:793 111:960 112:442
113:705 114:656 115:829 116:869 117:730 118:945
119:1224 120:299 121:676 122:1606 123:1170 124:1311
125:1281 128:515 129:176 130:270 131:627 132:304
133:22 134:235 135:61 136:216 137:233 138:342
139:169 140:474 141:279 142:467 143:364 144:489
145:80 146:508 147:278 148:745 149:323 150:150
151:172 152:449 153:183 154:19 155:406 156:219
157:335 158:186 159:567 160:343 161:387 162:358
163:179 164:684 165:408 166:527 167:548 168:958
169:124 170:906 171:149 172:7 173:1691 174:630
175:422 176:566 177:1136 178:1658 180:1354 181:134
182:1042 183:291 184:600 186:2225 187:1238 188:1521
189:1572 190:6059 192:5978 193:5721 194:4560 195:3431
196:1207 197:219 198:3730 199:4939 200:5803 201:1963
202:8499 203:8599 204:4357 205:2526 206:2675 207:2804
208:4055 209:3644 210:2764 211:1533 212:2043 213:1814
214:885 215:86 216:5124 217:1543 218:535 219:299
220:1234 221:511 222:303 223:374
End of report
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