* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 05 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 407869
Prefixes after maximum aggregation: 173463
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202539
Total ASes present in the Internet Routing Table: 38707
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33344
Origin ASes announcing only one prefix: 15700
Transit ASes present in the Internet Routing Table: 5363
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: 26
Max AS path prepend of ASN ( 51742) 24
Prefixes from unregistered ASNs in the Routing Table: 1028
Unregistered ASNs in the Routing Table: 165
Number of 32-bit ASNs allocated by the RIRs: 2927
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6590
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 166
Number of addresses announced to Internet: 2591794176
Equivalent to 154 /8s, 123 /16s and 164 /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: 140348
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95238
Total APNIC prefixes after maximum aggregation: 31181
APNIC Deaggregation factor: 3.05
Prefixes being announced from the APNIC address blocks: 96293
Unique aggregates announced from the APNIC address blocks: 42091
APNIC Region origin ASes present in the Internet Routing Table: 4671
APNIC Prefixes per ASN: 20.62
APNIC Region origin ASes announcing only one prefix: 1273
APNIC Region transit ASes present in the Internet Routing Table: 726
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: 701413120
Equivalent to 41 /8s, 206 /16s and 183 /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: 151093
Total ARIN prefixes after maximum aggregation: 76923
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151998
Unique aggregates announced from the ARIN address blocks: 68313
ARIN Region origin ASes present in the Internet Routing Table: 15125
ARIN Prefixes per ASN: 10.05
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: 1080475904
Equivalent to 64 /8s, 102 /16s and 193 /24s
Percentage of available ARIN address space announced: 57.2
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: 103689
Total RIPE prefixes after maximum aggregation: 54957
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 105835
Unique aggregates announced from the RIPE address blocks: 67049
RIPE Region origin ASes present in the Internet Routing Table: 16612
RIPE Prefixes per ASN: 6.37
RIPE Region origin ASes announcing only one prefix: 8072
RIPE Region transit ASes present in the Internet Routing Table: 2635
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: 635146496
Equivalent to 37 /8s, 219 /16s and 145 /24s
Percentage of available RIPE address space announced: 92.3
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: 41277
Total LACNIC prefixes after maximum aggregation: 8195
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 43873
Unique aggregates announced from the LACNIC address blocks: 21635
LACNIC Region origin ASes present in the Internet Routing Table: 1596
LACNIC Prefixes per ASN: 27.49
LACNIC Region origin ASes announcing only one prefix: 436
LACNIC Region transit ASes present in the Internet Routing Table: 301
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: 111688192
Equivalent to 6 /8s, 168 /16s and 58 /24s
Percentage of available LACNIC address space announced: 66.6
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: 9249
Total AfriNIC prefixes after maximum aggregation: 2153
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 9703
Unique aggregates announced from the AfriNIC address blocks: 3305
AfriNIC Region origin ASes present in the Internet Routing Table: 552
AfriNIC Prefixes per ASN: 17.58
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 124
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: 40488448
Equivalent to 2 /8s, 105 /16s and 206 /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
4766 1994 11107 762 Korea Telecom (KIX)
17974 1972 541 75 PT Telekomunikasi Indonesia
7545 1686 301 87 TPG Internet Pty Ltd
4755 1573 384 152 TATA Communications formerly
9829 1255 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 974 291 64 BHARTI Airtel Ltd.
18101 946 131 157 Reliance Infocom Ltd Internet
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 3273 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 1570 1059 383 tw telecom holdings, inc.
30036 1407 267 771 Mediacom Communications Corp
7018 1265 10061 830 AT&T Services, Inc.
11492 1191 216 354 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 1602 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
31148 693 37 9 FreeNet ISP
6830 688 2234 436 UPC Broadband
20940 668 218 527 Akamai Technologies European
8551 603 364 61 Bezeq International
9116 512 326 31 Goldenlines main autonomous s
13188 498 100 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 1929 1213 54 Types of queries are: POCs, o
6503 1519 418 68 Axtel, S.A.B. de C.V.
7303 1453 933 193 Telecom Argentina S.A.
8151 1352 3047 338 Uninet S.A. de C.V.
27947 685 74 88 Telconet S.A
11172 641 107 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 1228 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 293 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
29571 160 15 15 Ci Telecom Autonomous system
15706 159 32 6 Sudatel Internet Exchange Aut
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 3273 1006 177 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1994 11107 762 Korea Telecom (KIX)
10620 1982 345 204 Types of queries are: POCs, o
17974 1972 541 75 PT Telekomunikasi Indonesia
1785 1930 681 132 PaeTec Communications, Inc.
28573 1929 1213 54 Types of queries are: POCs, o
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 3273 3096 Windstream Communications Inc
18566 2091 1911 Covad Communications Co.
17974 1972 1897 PT Telekomunikasi Indonesia
28573 1929 1875 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 1602 1586 Corbina telecom
22773 1655 1534 Cox Communications Inc.
6503 1519 1451 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
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
62.61.220.0/24 24974 Tachyon Europe BV
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
/13:462 /14:836 /15:1508 /16:12248 /17:6364 /18:10663
/19:20751 /20:29489 /21:31015 /22:40555 /23:38592 /24:214427
/25:11 /26:21 /27:19 /28:152 /29:148 /30:84
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2624 3273 Windstream Communications Inc
18566 2041 2091 Covad Communications Co.
6389 1871 3392 BellSouth.net Inc.
30036 1344 1407 Mediacom Communications Corp
8402 1301 1602 Corbina telecom
11492 1154 1191 CABLE ONE, INC.
22773 1086 1655 Cox Communications Inc.
6503 1055 1519 Axtel, S.A.B. de C.V.
1785 1041 1930 PaeTec Communications, Inc.
8452 1001 1228 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:523 2:709 3:1 4:13 5:126 6:3
8:430 12:1975 13:1 14:624 15:12 16:3
17:5 20:24 23:179 24:1786 27:1311 31:1018
32:51 33:2 34:2 36:9 37:581 38:811
39:1 40:128 41:3111 42:141 44:3 46:1441
47:2 49:417 50:552 52:13 54:12 55:7
56:1 57:41 58:915 59:497 60:250 61:1115
62:967 63:2031 64:4251 65:2251 66:4481 67:2052
68:1153 69:3193 70:980 71:510 72:1836 74:2599
75:473 76:331 77:917 78:872 79:487 80:1203
81:949 82:667 83:528 84:491 85:1159 86:432
87:934 88:341 89:1729 90:299 91:4988 92:575
93:1318 94:1562 95:1224 96:374 97:318 98:903
99:36 100:19 101:248 103:1198 106:101 107:188
108:344 109:1414 110:770 111:933 112:412 113:615
114:641 115:820 116:897 117:712 118:936 119:1171
120:342 121:683 122:1634 123:1097 124:1326 125:1258
128:517 129:182 130:251 131:632 132:294 133:22
134:234 135:61 136:215 137:236 138:336 139:172
140:466 141:245 142:413 143:366 144:528 145:76
146:500 147:288 148:749 149:317 150:149 151:182
152:472 153:176 154:16 155:450 156:217 157:337
158:191 159:544 160:341 161:244 162:370 163:180
164:649 165:411 166:584 167:479 168:908 169:125
170:893 171:145 172:5 173:1725 174:624 175:431
176:549 177:910 178:1538 180:1262 181:99 182:1000
183:243 184:533 185:1 186:1902 187:1084 188:1357
189:1609 190:5736 192:5965 193:5514 194:4517 195:3427
196:1211 197:169 198:3622 199:4796 200:5809 201:1967
202:8406 203:8504 204:4255 205:2513 206:2713 207:2727
208:4029 209:3600 210:2709 211:1531 212:1977 213:1846
214:851 215:80 216:5084 217:1553 218:537 219:300
220:1234 221:550 222:299 223:342
End of report
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