* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Sun 26 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 415081
Prefixes after maximum aggregation: 175188
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206013
Total ASes present in the Internet Routing Table: 38967
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 33557
Origin ASes announcing only one prefix: 15781
Transit ASes present in the Internet Routing Table: 5410
Transit-only ASes present in the Internet Routing Table: 118
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1250
Unregistered ASNs in the Routing Table: 237
Number of 32-bit ASNs allocated by the RIRs: 3172
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7226
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 175
Number of addresses announced to Internet: 2610586880
Equivalent to 155 /8s, 154 /16s and 101 /24s
Percentage of available address space announced: 70.4
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: 93.3
Total number of prefixes smaller than registry allocations: 143953
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96801
Total APNIC prefixes after maximum aggregation: 31163
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 97982
Unique aggregates announced from the APNIC address blocks: 42360
APNIC Region origin ASes present in the Internet Routing Table: 4689
APNIC Prefixes per ASN: 20.90
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 735
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: 705480448
Equivalent to 42 /8s, 12 /16s and 199 /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: 152378
Total ARIN prefixes after maximum aggregation: 77363
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153361
Unique aggregates announced from the ARIN address blocks: 68694
ARIN Region origin ASes present in the Internet Routing Table: 15167
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5760
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: 18
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1085194496
Equivalent to 64 /8s, 174 /16s and 193 /24s
Percentage of available ARIN address space announced: 57.4
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: 106040
Total RIPE prefixes after maximum aggregation: 56128
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108334
Unique aggregates announced from the RIPE address blocks: 69199
RIPE Region origin ASes present in the Internet Routing Table: 16785
RIPE Prefixes per ASN: 6.45
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2659
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 641160704
Equivalent to 38 /8s, 55 /16s and 86 /24s
Percentage of available RIPE address space announced: 93.2
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: 42312
Total LACNIC prefixes after maximum aggregation: 8291
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 45182
Unique aggregates announced from the LACNIC address blocks: 22156
LACNIC Region origin ASes present in the Internet Routing Table: 1618
LACNIC Prefixes per ASN: 27.92
LACNIC Region origin ASes announcing only one prefix: 432
LACNIC Region transit ASes present in the Internet Routing Table: 302
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: 114472704
Equivalent to 6 /8s, 210 /16s and 183 /24s
Percentage of available LACNIC address space announced: 68.2
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: 9595
Total AfriNIC prefixes after maximum aggregation: 2189
AfriNIC Deaggregation factor: 4.38
Prefixes being announced from the AfriNIC address blocks: 10046
Unique aggregates announced from the AfriNIC address blocks: 3458
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 18.04
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 121
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: 41679872
Equivalent to 2 /8s, 123 /16s and 252 /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 2058 11109 813 Korea Telecom (KIX)
7545 1720 301 86 TPG Internet Pty Ltd
4755 1603 387 165 TATA Communications formerly
9829 1308 1099 24 National Internet Backbone
9583 1176 86 509 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 BHARTI Airtel Ltd.
4808 975 1958 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 3445 990 154 Windstream Communications Inc
6389 3360 3755 191 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1947 681 131 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
20115 1648 1575 609 Charter Communications
4323 1571 1042 388 tw telecom holdings, inc.
30036 1445 284 733 Mediacom Communications Corp
7018 1254 10340 823 AT&T Services, Inc.
11492 1197 217 345 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 1483 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 750 189 175 BILISIM TELEKOM
6830 720 2313 447 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 690 226 546 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 657 100 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 2101 358 219 Types of queries are: POCs, o
28573 2024 1244 55 Types of queries are: POCs, o
7303 1565 1034 200 Telecom Argentina S.A.
6503 1411 435 70 Axtel, S.A.B. de C.V.
8151 1335 3014 342 Uninet S.A. de C.V.
6458 883 81 15 Telgua
27947 696 75 90 Telconet S.A
3816 604 255 90 Types of queries are: POCs, o
11172 591 101 70 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
8452 880 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 534 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 286 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 3445 990 154 Windstream Communications Inc
6389 3360 3755 191 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2101 358 219 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2058 11109 813 Korea Telecom (KIX)
28573 2024 1244 55 Types of queries are: POCs, o
1785 1947 681 131 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1720 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 3360 3169 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2024 1969 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2101 1882 Types of queries are: POCs, o
1785 1947 1816 PaeTec Communications, Inc.
22773 1824 1696 Cox Communications Inc.
7545 1720 1634 TPG Internet Pty Ltd
8402 1483 1467 Corbina telecom
4755 1603 1438 TATA Communications formerly
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
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.
59457 UNALLOCATED 5.149.68.0/24 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
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
41.207.224.0/23 36898 UniNet Communications
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 /8:20 /9:14 /10:30 /11:84 /12:237
/13:473 /14:844 /15:1542 /16:12329 /17:6429 /18:10747
/19:20913 /20:30008 /21:31621 /22:41525 /23:39436 /24:218244
/25:11 /26:22 /27:18 /28:147 /29:163 /30:83
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2807 3445 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1856 3360 BellSouth.net Inc.
30036 1377 1445 Mediacom Communications Corp
8402 1213 1483 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1042 1947 PaeTec Communications, Inc.
6503 969 1411 Axtel, S.A.B. de C.V.
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 2:702 3:1 4:13 5:364 6:3
8:420 12:2002 13:1 14:637 15:11 16:3
17:6 20:27 23:204 24:1796 27:1320 31:1064
32:51 33:2 34:2 36:8 37:740 38:819
39:1 40:133 41:2830 42:155 44:3 46:1583
47:2 49:467 50:586 52:13 54:17 55:7
56:1 57:36 58:929 59:545 60:234 61:1241
62:954 63:1972 64:4261 65:2240 66:4496 67:2027
68:1076 69:3201 70:955 71:525 72:1861 74:2564
75:491 76:330 77:943 78:909 79:486 80:1240
81:953 82:641 83:535 84:516 85:1133 86:462
87:928 88:350 89:1808 90:299 91:5136 92:589
93:1346 94:1588 95:1257 96:398 97:317 98:895
99:36 100:23 101:261 103:1422 105:512 106:116
107:195 108:413 109:1496 110:796 111:952 112:423
113:684 114:652 115:885 116:868 117:724 118:924
119:1205 120:294 121:786 122:1613 123:1170 124:1317
125:1265 128:483 129:178 130:271 131:617 132:293
133:22 134:236 135:61 136:217 137:236 138:338
139:182 140:474 141:273 142:465 143:355 144:483
145:81 146:504 147:256 148:742 149:299 150:149
151:168 152:454 153:177 154:19 155:432 156:221
157:337 158:178 159:553 160:348 161:386 162:403
163:178 164:680 165:405 166:560 167:537 168:950
169:124 170:906 171:145 172:5 173:1713 174:632
175:434 176:598 177:1063 178:1687 180:1346 181:127
182:1026 183:221 184:589 186:2142 187:1068 188:1463
189:1534 190:6186 192:5968 193:5459 194:4228 195:3247
196:1224 197:205 198:3694 199:4895 200:5870 201:1960
202:8493 203:8566 204:4335 205:2494 206:2721 207:2783
208:4036 209:3626 210:2748 211:1544 212:2035 213:1806
214:879 215:84 216:5121 217:1551 218:533 219:320
220:1235 221:510 222:303 223:330
End of report
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