* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 05 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 416897
Prefixes after maximum aggregation: 175600
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 207041
Total ASes present in the Internet Routing Table: 39005
Prefixes per ASN: 10.69
Origin-only ASes present in the Internet Routing Table: 33589
Origin ASes announcing only one prefix: 15782
Transit ASes present in the Internet Routing Table: 5416
Transit-only ASes present in the Internet Routing Table: 114
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: 1333
Unregistered ASNs in the Routing Table: 261
Number of 32-bit ASNs allocated by the RIRs: 3208
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7399
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 176
Number of addresses announced to Internet: 2611937024
Equivalent to 155 /8s, 174 /16s and 255 /24s
Percentage of available address space announced: 70.5
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: 93.4
Total number of prefixes smaller than registry allocations: 145027
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96734
Total APNIC prefixes after maximum aggregation: 31133
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 97944
Unique aggregates announced from the APNIC address blocks: 42556
APNIC Region origin ASes present in the Internet Routing Table: 4694
APNIC Prefixes per ASN: 20.87
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 727
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: 705533696
Equivalent to 42 /8s, 13 /16s and 151 /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: 152783
Total ARIN prefixes after maximum aggregation: 77480
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153747
Unique aggregates announced from the ARIN address blocks: 69008
ARIN Region origin ASes present in the Internet Routing Table: 15167
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1525
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: 1082981120
Equivalent to 64 /8s, 140 /16s and 251 /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: 106495
Total RIPE prefixes after maximum aggregation: 56414
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108897
Unique aggregates announced from the RIPE address blocks: 69721
RIPE Region origin ASes present in the Internet Routing Table: 16823
RIPE Prefixes per ASN: 6.47
RIPE Region origin ASes announcing only one prefix: 8164
RIPE Region transit ASes present in the Internet Routing Table: 2666
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 643056640
Equivalent to 38 /8s, 84 /16s and 68 /24s
Percentage of available RIPE address space announced: 93.5
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: 42873
Total LACNIC prefixes after maximum aggregation: 8314
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 45791
Unique aggregates announced from the LACNIC address blocks: 22151
LACNIC Region origin ASes present in the Internet Routing Table: 1619
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 434
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: 114914560
Equivalent to 6 /8s, 217 /16s and 117 /24s
Percentage of available LACNIC address space announced: 68.5
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: 9881
Total AfriNIC prefixes after maximum aggregation: 2202
AfriNIC Deaggregation factor: 4.49
Prefixes being announced from the AfriNIC address blocks: 10341
Unique aggregates announced from the AfriNIC address blocks: 3461
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.63
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 118
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: 41682688
Equivalent to 2 /8s, 124 /16s and 7 /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 1747 301 87 TPG Internet Pty Ltd
4755 1592 385 158 TATA Communications formerly
9829 1316 1100 27 National Internet Backbone
9583 1177 87 507 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1003 310 73 BHARTI Airtel Ltd.
4808 975 1969 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
7029 3457 990 154 Windstream Communications Inc
6389 3341 3737 186 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1916 679 129 PaeTec Communications, Inc.
22773 1868 2930 128 Cox Communications Inc.
20115 1654 1574 617 Charter Communications
4323 1574 1042 385 tw telecom holdings, inc.
30036 1438 281 723 Mediacom Communications Corp
7018 1262 10333 834 AT&T Services, Inc.
11492 1198 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 1589 544 16 Corbina telecom
12479 831 766 80 France Telecom Espana SA
34984 753 189 177 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
2118 715 97 14 EUnet/RELCOM Autonomous Syste
31148 710 37 9 FreeNet ISP
20940 685 223 545 Akamai Technologies European
13188 669 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 596 364 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 2130 362 221 Types of queries are: POCs, o
28573 2129 1248 54 Types of queries are: POCs, o
7303 1564 1034 199 Telecom Argentina S.A.
6503 1525 451 71 Axtel, S.A.B. de C.V.
8151 1434 3014 342 Uninet S.A. de C.V.
6458 838 81 15 Telgua
27947 696 75 89 Telconet S.A
3816 640 262 95 Types of queries are: POCs, o
11172 592 101 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 870 275 36 LINKdotNET AS number
8452 834 958 13 TEDATA
36998 777 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 267 80 8 RAYA Telecom - Egypt
3741 262 904 223 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
7029 3457 990 154 Windstream Communications Inc
6389 3341 3737 186 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2130 362 221 Types of queries are: POCs, o
28573 2129 1248 54 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2080 11111 829 Korea Telecom (KIX)
1785 1916 679 129 PaeTec Communications, Inc.
22773 1868 2930 128 Cox Communications Inc.
7545 1747 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 3341 3155 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2129 2075 Types of queries are: POCs, o
10620 2130 1909 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
1785 1916 1787 PaeTec Communications, Inc.
22773 1868 1740 Cox Communications Inc.
7545 1747 1660 TPG Internet Pty Ltd
8402 1589 1573 Corbina telecom
6503 1525 1454 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
59441 UNALLOCATED 5.144.130.0/24 51074 Gostaresh Ertebatate
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.
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
5.208.0.0/12 51074 Gostaresh Ertebatate Mabna Co
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
/13:473 /14:844 /15:1548 /16:12339 /17:6438 /18:10736
/19:20998 /20:30167 /21:31826 /22:41780 /23:39504 /24:219273
/25:11 /26:22 /27:18 /28:146 /29:163 /30:84
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2813 3457 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1851 3341 BellSouth.net Inc.
30036 1371 1438 Mediacom Communications Corp
8402 1311 1589 Corbina telecom
22773 1216 1868 Cox Communications Inc.
11492 1161 1198 CABLE ONE, INC.
6503 1049 1525 Axtel, S.A.B. de C.V.
1785 1014 1916 PaeTec Communications, Inc.
7011 933 1193 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:538 2:747 3:1 4:13 5:396 6:3
8:448 12:2003 13:1 14:646 15:11 16:3
17:6 20:27 23:204 24:1818 27:1323 31:1049
32:51 33:2 34:2 36:7 37:754 38:822
39:2 40:133 41:3118 42:159 44:3 46:1555
47:2 49:471 50:593 52:13 54:17 55:5
56:1 57:36 58:936 59:526 60:236 61:1181
62:964 63:2000 64:4257 65:2237 66:4479 67:2038
68:1170 69:3187 70:984 71:523 72:1867 74:2564
75:495 76:323 77:941 78:930 79:485 80:1242
81:950 82:645 83:528 84:516 85:1154 86:482
87:925 88:351 89:1791 90:301 91:5179 92:582
93:1368 94:1569 95:1254 96:414 97:317 98:899
99:36 100:23 101:260 103:1454 105:512 106:118
107:198 108:420 109:1491 110:791 111:954 112:426
113:680 114:643 115:844 116:861 117:728 118:946
119:1201 120:300 121:677 122:1611 123:1168 124:1309
125:1270 128:520 129:179 130:270 131:625 132:313
133:22 134:240 135:61 136:216 137:236 138:341
139:185 140:474 141:277 142:467 143:357 144:479
145:82 146:507 147:254 148:747 149:294 150:150
151:174 152:450 153:182 154:19 155:436 156:219
157:336 158:184 159:561 160:343 161:389 162:407
163:179 164:685 165:411 166:562 167:544 168:952
169:124 170:904 171:147 172:6 173:1720 174:620
175:436 176:565 177:1112 178:1653 180:1351 181:134
182:1020 183:228 184:590 186:2181 187:1227 188:1548
189:1580 190:6106 192:5977 193:5519 194:4246 195:3249
196:1219 197:215 198:3711 199:4916 200:5888 201:1965
202:8484 203:8601 204:4332 205:2521 206:2663 207:2800
208:4047 209:3630 210:2752 211:1514 212:2042 213:1809
214:885 215:85 216:5128 217:1551 218:534 219:299
220:1237 221:510 222:303 223:366
End of report
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