* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Wed 04 Jul, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 408131
Prefixes after maximum aggregation: 173322
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 202476
Total ASes present in the Internet Routing Table: 38710
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 33361
Origin ASes announcing only one prefix: 15700
Transit ASes present in the Internet Routing Table: 5349
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: 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: 2926
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6562
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 165
Number of addresses announced to Internet: 2591749888
Equivalent to 154 /8s, 122 /16s and 247 /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: 140507
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95317
Total APNIC prefixes after maximum aggregation: 31165
APNIC Deaggregation factor: 3.06
Prefixes being announced from the APNIC address blocks: 96372
Unique aggregates announced from the APNIC address blocks: 42074
APNIC Region origin ASes present in the Internet Routing Table: 4670
APNIC Prefixes per ASN: 20.64
APNIC Region origin ASes announcing only one prefix: 1272
APNIC Region transit ASes present in the Internet Routing Table: 724
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: 701400832
Equivalent to 41 /8s, 206 /16s and 135 /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: 150942
Total ARIN prefixes after maximum aggregation: 76856
ARIN Deaggregation factor: 1.96
Prefixes being announced from the ARIN address blocks: 151828
Unique aggregates announced from the ARIN address blocks: 68283
ARIN Region origin ASes present in the Internet Routing Table: 15124
ARIN Prefixes per ASN: 10.04
ARIN Region origin ASes announcing only one prefix: 5750
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: 1080458240
Equivalent to 64 /8s, 102 /16s and 124 /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: 103963
Total RIPE prefixes after maximum aggregation: 54916
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 106123
Unique aggregates announced from the RIPE address blocks: 67003
RIPE Region origin ASes present in the Internet Routing Table: 16618
RIPE Prefixes per ASN: 6.39
RIPE Region origin ASes announcing only one prefix: 8067
RIPE Region transit ASes present in the Internet Routing Table: 2621
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: 635215104
Equivalent to 37 /8s, 220 /16s and 157 /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: 41269
Total LACNIC prefixes after maximum aggregation: 8185
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 43843
Unique aggregates announced from the LACNIC address blocks: 21668
LACNIC Region origin ASes present in the Internet Routing Table: 1596
LACNIC Prefixes per ASN: 27.47
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: 111579392
Equivalent to 6 /8s, 166 /16s and 145 /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: 9345
Total AfriNIC prefixes after maximum aggregation: 2146
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 9799
Unique aggregates announced from the AfriNIC address blocks: 3303
AfriNIC Region origin ASes present in the Internet Routing Table: 552
AfriNIC Prefixes per ASN: 17.75
AfriNIC Region origin ASes announcing only one prefix: 175
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: 40517376
Equivalent to 2 /8s, 106 /16s and 63 /24s
Percentage of available AfriNIC address space announced: 40.3
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 1995 11107 762 Korea Telecom (KIX)
17974 1969 526 80 PT Telekomunikasi Indonesia
7545 1684 301 86 TPG Internet Pty Ltd
4755 1573 384 152 TATA Communications formerly
9829 1293 1085 28 National Internet Backbone
9583 1170 88 510 Sify Limited
7552 1075 1062 11 Vietel Corporation
24560 1034 385 165 Bharti Airtel Ltd., Telemedia
9498 973 291 64 BHARTI Airtel Ltd.
18101 947 131 157 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 3391 3789 190 BellSouth.net Inc.
7029 3273 1006 177 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
1785 1931 681 133 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 1404 267 775 Mediacom Communications Corp
7018 1266 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 1614 544 16 Corbina telecom
2118 1288 97 14 EUnet/RELCOM Autonomous Syste
12479 778 731 91 France Telecom Espana SA
34984 719 189 175 BILISIM TELEKOM
31148 693 37 9 FreeNet ISP
6830 688 2234 436 UPC Broadband
20940 651 211 513 Akamai Technologies European
8551 604 364 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 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 1350 3039 337 Uninet S.A. de C.V.
27947 684 74 88 Telconet S.A
11172 641 107 75 Alestra, S. de R.L. de C.V.
3816 591 246 90 Types of queries are: POCs, o
22047 583 326 15 Types of queries are: POCs, o
14117 573 67 65 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 1267 958 13 TEDATA
24863 864 274 32 LINKdotNET AS number
6713 504 649 18 Itissalat Al-MAGHRIB
24835 321 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 164 32 6 Sudatel Internet Exchange Aut
29571 160 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 3391 3789 190 BellSouth.net Inc.
7029 3273 1006 177 Windstream Communications Inc
18566 2091 382 180 Covad Communications Co.
4766 1995 11107 762 Korea Telecom (KIX)
10620 1982 345 204 Types of queries are: POCs, o
17974 1969 526 80 PT Telekomunikasi Indonesia
1785 1931 681 133 PaeTec Communications, Inc.
28573 1929 1213 54 Types of queries are: POCs, o
7545 1684 301 86 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 1969 1889 PT Telekomunikasi Indonesia
28573 1929 1875 Types of queries are: POCs, o
1785 1931 1798 PaeTec Communications, Inc.
10620 1982 1778 Types of queries are: POCs, o
7545 1684 1598 TPG Internet Pty Ltd
8402 1614 1598 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
5.104.240.0/21 20645 PurePeak Limited
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 /8:20 /9:13 /10:29 /11:83 /12:236
/13:462 /14:836 /15:1511 /16:12250 /17:6362 /18:10663
/19:20777 /20:29529 /21:31013 /22:40490 /23:38592 /24:214688
/25:11 /26:20 /27:18 /28:150 /29:151 /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 3391 BellSouth.net Inc.
30036 1341 1404 Mediacom Communications Corp
8402 1318 1614 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 1931 PaeTec Communications, Inc.
8452 1026 1267 TEDATA
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:522 2:713 3:1 4:13 5:129 6:3
8:430 12:1974 13:1 14:621 15:12 16:3
17:5 20:24 23:179 24:1786 27:1314 31:1019
32:51 33:2 34:2 36:9 37:593 38:811
39:1 40:128 41:3159 42:142 44:3 46:1468
47:2 49:416 50:552 52:13 54:12 55:7
56:1 57:31 58:920 59:496 60:250 61:1107
62:1004 63:2030 64:4250 65:2251 66:4481 67:2020
68:1152 69:3183 70:980 71:508 72:1837 74:2603
75:473 76:331 77:943 78:888 79:487 80:1216
81:937 82:678 83:527 84:495 85:1179 86:438
87:934 88:340 89:1745 90:300 91:4984 92:576
93:1363 94:1546 95:1231 96:374 97:318 98:910
99:36 100:18 101:248 103:1194 106:101 107:188
108:342 109:1402 110:770 111:933 112:412 113:614
114:641 115:819 116:898 117:712 118:935 119:1163
120:342 121:675 122:1635 123:1097 124:1329 125:1256
128:513 129:182 130:251 131:631 132:285 133:22
134:230 135:61 136:215 137:236 138:336 139:172
140:467 141:261 142:414 143:366 144:531 145:76
146:506 147:289 148:745 149:316 150:149 151:182
152:472 153:176 154:16 155:450 156:216 157:336
158:191 159:543 160:335 161:244 162:370 163:181
164:647 165:410 166:586 167:479 168:905 169:125
170:889 171:145 172:5 173:1725 174:627 175:432
176:549 177:895 178:1495 180:1262 181:98 182:1013
183:243 184:531 185:1 186:1911 187:1077 188:1298
189:1600 190:5729 192:5970 193:5541 194:4545 195:3428
196:1207 197:170 198:3621 199:4791 200:5824 201:1977
202:8392 203:8511 204:4254 205:2509 206:2708 207:2723
208:4027 209:3597 210:2707 211:1533 212:2040 213:1937
214:850 215:78 216:5085 217:1555 218:539 219:299
220:1233 221:553 222:302 223:342
End of report
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