* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 06 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408708
Prefixes after maximum aggregation: 173493
Deaggregation factor: 2.36
Unique aggregates announced to Internet: 202489
Total ASes present in the Internet Routing Table: 38710
Prefixes per ASN: 10.56
Origin-only ASes present in the Internet Routing Table: 33349
Origin ASes announcing only one prefix: 15705
Transit ASes present in the Internet Routing Table: 5361
Transit-only ASes present in the Internet Routing Table: 116
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1029
Unregistered ASNs in the Routing Table: 166
Number of 32-bit ASNs allocated by the RIRs: 2935
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6586
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2591936512
Equivalent to 154 /8s, 125 /16s and 208 /24s
Percentage of available address space announced: 69.9
Percentage of allocated address space announced: 70.0
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 140444
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95794
Total APNIC prefixes after maximum aggregation: 31208
APNIC Deaggregation factor: 3.07
Prefixes being announced from the APNIC address blocks: 96844
Unique aggregates announced from the APNIC address blocks: 42086
APNIC Region origin ASes present in the Internet Routing Table: 4672
APNIC Prefixes per ASN: 20.73
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 725
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: 701675008
Equivalent to 41 /8s, 210 /16s and 182 /24s
Percentage of available APNIC address space announced: 82.0
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: 151011
Total ARIN prefixes after maximum aggregation: 76923
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151928
Unique aggregates announced from the ARIN address blocks: 68301
ARIN Region origin ASes present in the Internet Routing Table: 15125
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5747
ARIN Region transit ASes present in the Internet Routing Table: 1517
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: 1080201984
Equivalent to 64 /8s, 98 /16s and 147 /24s
Percentage of available ARIN address space announced: 57.1
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: 104022
Total RIPE prefixes after maximum aggregation: 54989
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106175
Unique aggregates announced from the RIPE address blocks: 67054
RIPE Region origin ASes present in the Internet Routing Table: 16614
RIPE Prefixes per ASN: 6.39
RIPE Region origin ASes announcing only one prefix: 8070
RIPE Region transit ASes present in the Internet Routing Table: 2632
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 635323648
Equivalent to 37 /8s, 222 /16s and 69 /24s
Percentage of available RIPE address space announced: 92.4
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: 41313
Total LACNIC prefixes after maximum aggregation: 8187
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 43905
Unique aggregates announced from the LACNIC address blocks: 21664
LACNIC Region origin ASes present in the Internet Routing Table: 1595
LACNIC Prefixes per ASN: 27.53
LACNIC Region origin ASes announcing only one prefix: 435
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: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 111626240
Equivalent to 6 /8s, 167 /16s and 72 /24s
Percentage of available LACNIC address space announced: 66.5
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: 9244
Total AfriNIC prefixes after maximum aggregation: 2131
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 9690
Unique aggregates announced from the AfriNIC address blocks: 3239
AfriNIC Region origin ASes present in the Internet Routing Table: 554
AfriNIC Prefixes per ASN: 17.49
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 123
Average AfriNIC Region AS path length visible: 3.4
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: 40509440
Equivalent to 2 /8s, 106 /16s and 32 /24s
Percentage of available AfriNIC address space announced: 40.2
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 2086 542 77 PT Telekomunikasi Indonesia
4766 1993 11107 761 Korea Telecom (KIX)
7545 1686 301 87 TPG Internet Pty Ltd
4755 1593 387 160 TATA Communications formerly
9829 1304 1085 28 National Internet Backbone
9583 1166 87 508 Sify Limited
7552 1075 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 978 291 65 BHARTI Airtel Ltd.
4808 946 1943 287 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 3392 3789 190 BellSouth.net Inc.
7029 3282 1006 177 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1930 681 132 PaeTec Communications, Inc.
22773 1655 2911 121 Cox Communications Inc.
20115 1651 1573 616 Charter Communications
4323 1571 1059 383 tw telecom holdings, inc.
30036 1400 266 772 Mediacom Communications Corp
7018 1261 10061 828 AT&T Services, Inc.
11492 1190 216 356 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 1598 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 778 731 91 France Telecom Espana SA
34984 724 189 175 BILISIM TELEKOM
6830 710 2292 444 UPC Broadband
31148 694 37 9 FreeNet ISP
20940 674 222 528 Akamai Technologies European
8551 603 364 61 Bezeq International
9116 512 326 31 Goldenlines main autonomous s
13188 504 100 10 Ukraine
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 1982 345 204 Types of queries are: POCs, o
28573 1946 1214 55 Types of queries are: POCs, o
6503 1523 418 68 Axtel, S.A.B. de C.V.
7303 1453 933 193 Telecom Argentina S.A.
8151 1349 3039 337 Uninet S.A. de C.V.
27947 685 74 88 Telconet S.A
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 592 246 90 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
14117 571 66 63 Telefonica del Sur S.A.
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 1221 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 262 905 223 The Internet Solution
33776 210 12 21 Starcomms Nigeria Limited
12258 197 28 62 Vodacom Internet Company
29975 167 571 19 Vodacom
15706 159 32 6 Sudatel Internet Exchange Aut
29571 159 15 15 Ci Telecom Autonomous system
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 3392 3789 190 BellSouth.net Inc.
7029 3282 1006 177 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
17974 2086 542 77 PT Telekomunikasi Indonesia
4766 1993 11107 761 Korea Telecom (KIX)
10620 1982 345 204 Types of queries are: POCs, o
28573 1946 1214 55 Types of queries are: POCs, o
1785 1930 681 132 PaeTec Communications, Inc.
7545 1686 301 87 TPG Internet Pty Ltd
22773 1655 2911 121 Cox Communications Inc.
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 3282 3105 Windstream Communications Inc
17974 2086 2009 PT Telekomunikasi Indonesia
18566 2091 1911 Covad Communications Co.
28573 1946 1891 Types of queries are: POCs, o
1785 1930 1798 PaeTec Communications, Inc.
10620 1982 1778 Types of queries are: POCs, o
7545 1686 1599 TPG Internet Pty Ltd
8402 1598 1582 Corbina telecom
22773 1655 1534 Cox Communications Inc.
6503 1523 1455 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
65333 PRIVATE 10.0.0.0/8 0 *
32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc.
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc.
16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc.
26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc.
21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc.
25639 UNALLOCATED 12.41.169.0/24 7018 AT&T Services, Inc.
19577 UNALLOCATED 12.41.188.0/24 7832 WW/Precision Communi
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T Services, Inc.
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
128.0.0.0/21 12654 RIPE NCC RIS Project
128.0.24.0/24 12654 RIPE NCC RIS Project
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
5.133.8.0/21 23456 32-bit ASN transition
5.133.64.0/18 50673 Serverius AS
5.133.128.0/19 20875 HT d.o.o. Mostar
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
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 /9:13 /10:29 /11:83 /12:236
/13:466 /14:837 /15:1517 /16:12248 /17:6368 /18:10665
/19:20763 /20:29567 /21:31083 /22:40606 /23:38661 /24:214964
/25:11 /26:21 /27:19 /28:151 /29:152 /30:84
/31:0 /32:144
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2630 3282 Windstream Communications Inc
18566 2041 2091 Covad Communications Co.
6389 1871 3392 BellSouth.net Inc.
30036 1337 1400 Mediacom Communications Corp
8402 1299 1598 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1086 1655 Cox Communications Inc.
6503 1055 1523 Axtel, S.A.B. de C.V.
1785 1041 1930 PaeTec Communications, Inc.
8452 996 1221 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:527 2:703 3:1 4:13 5:129 6:3
8:431 12:1977 13:1 14:626 15:12 16:3
17:5 20:24 23:179 24:1783 27:1312 31:1021
32:51 33:2 34:2 36:9 37:587 38:814
39:1 40:128 41:3131 42:142 44:3 46:1456
47:2 49:418 50:545 52:13 54:13 55:7
56:1 57:31 58:916 59:525 60:244 61:1185
62:969 63:2031 64:4253 65:2254 66:4474 67:2052
68:1153 69:3187 70:980 71:510 72:1837 74:2597
75:475 76:332 77:914 78:881 79:487 80:1204
81:948 82:669 83:528 84:494 85:1156 86:438
87:937 88:341 89:1732 90:302 91:4997 92:576
93:1357 94:1596 95:1241 96:374 97:318 98:895
99:36 100:19 101:247 103:1204 106:101 107:188
108:346 109:1417 110:771 111:936 112:411 113:616
114:642 115:894 116:898 117:711 118:924 119:1165
120:343 121:793 122:1637 123:1093 124:1326 125:1258
128:515 129:182 130:252 131:632 132:294 133:22
134:234 135:61 136:215 137:233 138:337 139:174
140:465 141:250 142:412 143:365 144:526 145:77
146:506 147:288 148:750 149:317 150:150 151:182
152:472 153:176 154:16 155:450 156:217 157:337
158:190 159:543 160:339 161:245 162:371 163:180
164:650 165:411 166:584 167:479 168:909 169:125
170:891 171:145 172:5 173:1721 174:614 175:436
176:552 177:911 178:1537 180:1273 181:99 182:998
183:244 184:533 185:1 186:1908 187:1084 188:1359
189:1601 190:5738 192:5972 193:5527 194:4532 195:3444
196:1216 197:170 198:3623 199:4802 200:5821 201:1975
202:8399 203:8505 204:4253 205:2509 206:2712 207:2726
208:4030 209:3598 210:2721 211:1531 212:1987 213:1849
214:874 215:80 216:5049 217:1549 218:538 219:321
220:1234 221:550 222:299 223:344
End of report
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