Routing Table Report 08:00 +10GMT Fri 10 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414154
Prefixes after maximum aggregation: 174891
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 205237
Total ASes present in the Internet Routing Table: 38863
Prefixes per ASN: 10.66
Origin-only ASes present in the Internet Routing Table: 33448
Origin ASes announcing only one prefix: 15724
Transit ASes present in the Internet Routing Table: 5415
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: 1085
Unregistered ASNs in the Routing Table: 199
Number of 32-bit ASNs allocated by the RIRs: 3090
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6981
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 183
Number of addresses announced to Internet: 2603711744
Equivalent to 155 /8s, 49 /16s and 125 /24s
Percentage of available address space announced: 70.2
Percentage of allocated address space announced: 70.3
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: 143486
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96340
Total APNIC prefixes after maximum aggregation: 31182
APNIC Deaggregation factor: 3.09
Prefixes being announced from the APNIC address blocks: 97480
Unique aggregates announced from the APNIC address blocks: 42124
APNIC Region origin ASes present in the Internet Routing Table: 4683
APNIC Prefixes per ASN: 20.82
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 733
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: 704711936
Equivalent to 42 /8s, 1 /16s and 13 /24s
Percentage of available APNIC address space announced: 82.4
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: 152218
Total ARIN prefixes after maximum aggregation: 77392
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153190
Unique aggregates announced from the ARIN address blocks: 68700
ARIN Region origin ASes present in the Internet Routing Table: 15159
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: 1537
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: 1083652352
Equivalent to 64 /8s, 151 /16s and 57 /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: 106138
Total RIPE prefixes after maximum aggregation: 55849
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108329
Unique aggregates announced from the RIPE address blocks: 68845
RIPE Region origin ASes present in the Internet Routing Table: 16712
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8104
RIPE Region transit ASes present in the Internet Routing Table: 2658
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: 638364672
Equivalent to 38 /8s, 12 /16s and 172 /24s
Percentage of available RIPE address space announced: 92.8
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: 42136
Total LACNIC prefixes after maximum aggregation: 8217
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 44912
Unique aggregates announced from the LACNIC address blocks: 21978
LACNIC Region origin ASes present in the Internet Routing Table: 1605
LACNIC Prefixes per ASN: 27.98
LACNIC Region origin ASes announcing only one prefix: 422
LACNIC Region transit ASes present in the Internet Routing Table: 303
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: 112804608
Equivalent to 6 /8s, 185 /16s and 67 /24s
Percentage of available LACNIC address space announced: 67.2
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: 9607
Total AfriNIC prefixes after maximum aggregation: 2197
AfriNIC Deaggregation factor: 4.37
Prefixes being announced from the AfriNIC address blocks: 10059
Unique aggregates announced from the AfriNIC address blocks: 3434
AfriNIC Region origin ASes present in the Internet Routing Table: 557
AfriNIC Prefixes per ASN: 18.06
AfriNIC Region origin ASes announcing only one prefix: 171
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: 41528064
Equivalent to 2 /8s, 121 /16s and 171 /24s
Percentage of available AfriNIC address space announced: 41.3
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
17974 2321 702 54 PT Telekomunikasi Indonesia
4766 2026 11107 781 Korea Telecom (KIX)
7545 1709 301 88 TPG Internet Pty Ltd
4755 1584 385 156 TATA Communications formerly
9829 1310 1084 31 National Internet Backbone
9583 1205 90 533 Sify Limited
7552 1110 1062 11 Vietel Corporation
24560 1035 385 163 Bharti Airtel Ltd., Telemedia
9498 998 294 74 BHARTI Airtel Ltd.
4808 965 1941 289 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 3434 986 155 Windstream Communications Inc
6389 3342 3773 193 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1933 680 129 PaeTec Communications, Inc.
22773 1698 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1573 1043 385 tw telecom holdings, inc.
30036 1432 279 783 Mediacom Communications Corp
7018 1253 10073 821 AT&T Services, Inc.
11492 1190 216 351 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
2118 1433 97 14 EUnet/RELCOM Autonomous Syste
8402 1411 544 16 Corbina telecom
12479 823 761 88 France Telecom Espana SA
34984 741 189 177 BILISIM TELEKOM
6830 715 2310 446 UPC Broadband
31148 699 37 9 FreeNet ISP
20940 698 231 553 Akamai Technologies European
58113 627 70 373 LIR DATACENTER TELECOM SRL
8551 602 364 61 Bezeq International
13188 600 100 9 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 2075 353 219 Types of queries are: POCs, o
28573 2041 1232 55 Types of queries are: POCs, o
6503 1520 419 69 Axtel, S.A.B. de C.V.
7303 1464 936 200 Telecom Argentina S.A.
8151 1329 3025 343 Uninet S.A. de C.V.
6458 882 81 15 Telgua
11172 645 107 75 Alestra, S. de R.L. de C.V.
3816 600 253 95 Types of queries are: POCs, o
22047 580 326 15 Types of queries are: POCs, o
14420 569 81 100 CORPORACION NACIONAL DE TELEC
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 865 274 33 LINKdotNET AS number
8452 850 958 13 TEDATA
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 227 12 19 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 179 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
7029 3434 986 155 Windstream Communications Inc
6389 3342 3773 193 BellSouth.net Inc.
17974 2321 702 54 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
10620 2075 353 219 Types of queries are: POCs, o
28573 2041 1232 55 Types of queries are: POCs, o
4766 2026 11107 781 Korea Telecom (KIX)
1785 1933 680 129 PaeTec Communications, Inc.
7545 1709 301 88 TPG Internet Pty Ltd
22773 1698 2914 125 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
6389 3342 3149 BellSouth.net Inc.
17974 2321 2267 PT Telekomunikasi Indonesia
28573 2041 1986 Types of queries are: POCs, o
18566 2089 1908 Covad Communications Co.
10620 2075 1856 Types of queries are: POCs, o
1785 1933 1804 PaeTec Communications, Inc.
7545 1709 1621 TPG Internet Pty Ltd
22773 1698 1573 Cox Communications Inc.
6503 1520 1451 Axtel, S.A.B. de C.V.
4755 1584 1428 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
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 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.94.0/24 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
5.186.0.0/19 23456 32-bit ASN transition
5.186.32.0/19 23456 32-bit ASN transition
5.186.64.0/19 23456 32-bit ASN transition
5.186.96.0/19 23456 32-bit ASN transition
5.186.128.0/19 23456 32-bit ASN transition
5.186.160.0/19 23456 32-bit ASN transition
5.186.192.0/19 23456 32-bit ASN transition
5.186.224.0/19 23456 32-bit ASN transition
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 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 /9:14 /10:30 /11:84 /12:237
/13:472 /14:847 /15:1523 /16:12311 /17:6390 /18:10646
/19:20791 /20:29879 /21:31557 /22:41259 /23:39375 /24:218139
/25:11 /26:22 /27:18 /28:147 /29:158 /30:84
/31:0 /32:140
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2797 3434 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1834 3342 BellSouth.net Inc.
30036 1368 1432 Mediacom Communications Corp
8402 1158 1411 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1122 1698 Cox Communications Inc.
6503 1047 1520 Axtel, S.A.B. de C.V.
1785 1038 1933 PaeTec Communications, Inc.
7011 927 1187 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:501 2:668 3:1 4:13 5:336 6:3
8:436 12:1977 13:1 14:624 15:11 16:3
17:6 20:24 23:201 24:1801 27:1328 31:1037
32:51 33:2 34:2 36:8 37:721 38:812
39:1 40:134 41:2873 42:156 44:3 46:1557
47:2 49:432 50:576 52:13 54:14 55:4
57:38 58:926 59:512 60:233 61:1176 62:945
63:2018 64:4238 65:2241 66:4524 67:2042 68:1153
69:3202 70:989 71:518 72:1868 74:2608 75:488
76:330 77:945 78:896 79:498 80:1239 81:954
82:648 83:540 84:511 85:1142 86:472 87:936
88:337 89:1805 90:303 91:5089 92:587 93:1328
94:1587 95:1254 96:400 97:317 98:896 99:36
100:22 101:250 103:1353 105:512 106:112 107:193
108:402 109:1494 110:791 111:946 112:428 113:664
114:651 115:840 116:905 117:722 118:946 119:1187
120:354 121:681 122:1607 123:1164 124:1311 125:1265
128:467 129:177 130:256 131:625 132:292 133:22
134:235 135:61 136:214 137:238 138:345 139:182
140:471 141:262 142:432 143:375 144:489 145:78
146:506 147:293 148:751 149:318 150:147 151:186
152:453 153:175 154:18 155:369 156:219 157:336
158:189 159:551 160:346 161:376 162:390 163:176
164:674 165:407 166:572 167:531 168:960 169:124
170:907 171:148 172:5 173:1734 174:633 175:433
176:589 177:1013 178:1643 180:1336 181:119 182:1021
183:204 184:575 186:2004 187:1122 188:1424 189:1588
190:6077 192:5962 193:5680 194:4557 195:3435 196:1239
197:200 198:3653 199:4861 200:5896 201:1961 202:8459
203:8565 204:4322 205:2501 206:2723 207:2728 208:4042
209:3615 210:2708 211:1555 212:2020 213:1791 214:873
215:85 216:5081 217:1563 218:551 219:298 220:1236
221:553 222:300 223:362
End of report