Routing Table Report 08:00 +10GMT Thu 09 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 414109
Prefixes after maximum aggregation: 174880
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 204992
Total ASes present in the Internet Routing Table: 38862
Prefixes per ASN: 10.66
Origin-only ASes present in the Internet Routing Table: 33453
Origin ASes announcing only one prefix: 15729
Transit ASes present in the Internet Routing Table: 5409
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: 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: 3080
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 6930
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 188
Number of addresses announced to Internet: 2603298048
Equivalent to 155 /8s, 43 /16s and 45 /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: 143559
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96205
Total APNIC prefixes after maximum aggregation: 31190
APNIC Deaggregation factor: 3.08
Prefixes being announced from the APNIC address blocks: 97332
Unique aggregates announced from the APNIC address blocks: 42133
APNIC Region origin ASes present in the Internet Routing Table: 4676
APNIC Prefixes per ASN: 20.82
APNIC Region origin ASes announcing only one prefix: 1261
APNIC Region transit ASes present in the Internet Routing Table: 733
Average APNIC Region AS path length visible: 4.0
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: 704520704
Equivalent to 41 /8s, 254 /16s and 34 /24s
Percentage of available APNIC address space announced: 82.3
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: 152199
Total ARIN prefixes after maximum aggregation: 77381
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153164
Unique aggregates announced from the ARIN address blocks: 68616
ARIN Region origin ASes present in the Internet Routing Table: 15154
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5762
ARIN Region transit ASes present in the Internet Routing Table: 1531
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: 1083486720
Equivalent to 64 /8s, 148 /16s and 178 /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: 106181
Total RIPE prefixes after maximum aggregation: 55835
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 108365
Unique aggregates announced from the RIPE address blocks: 68713
RIPE Region origin ASes present in the Internet Routing Table: 16724
RIPE Prefixes per ASN: 6.48
RIPE Region origin ASes announcing only one prefix: 8108
RIPE Region transit ASes present in the Internet Routing Table: 2656
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: 638492928
Equivalent to 38 /8s, 14 /16s and 161 /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: 42218
Total LACNIC prefixes after maximum aggregation: 8233
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 44964
Unique aggregates announced from the LACNIC address blocks: 21931
LACNIC Region origin ASes present in the Internet Routing Table: 1604
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 426
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: 112613632
Equivalent to 6 /8s, 182 /16s and 89 /24s
Percentage of available LACNIC address space announced: 67.1
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: 9642
Total AfriNIC prefixes after maximum aggregation: 2187
AfriNIC Deaggregation factor: 4.41
Prefixes being announced from the AfriNIC address blocks: 10095
Unique aggregates announced from the AfriNIC address blocks: 3438
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.19
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 41512192
Equivalent to 2 /8s, 121 /16s and 109 /24s
Percentage of available AfriNIC address space announced: 41.2
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 2315 702 54 PT Telekomunikasi Indonesia
4766 2024 11106 780 Korea Telecom (KIX)
7545 1697 301 89 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 1101 1061 14 Vietel Corporation
24560 1038 385 165 Bharti Airtel Ltd., Telemedia
9498 996 294 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 3437 986 155 Windstream Communications Inc
6389 3342 3773 192 BellSouth.net Inc.
18566 2089 382 181 Covad Communications Co.
1785 1933 680 129 PaeTec Communications, Inc.
22773 1696 2914 125 Cox Communications Inc.
20115 1646 1572 611 Charter Communications
4323 1575 1043 385 tw telecom holdings, inc.
30036 1432 279 783 Mediacom Communications Corp
7018 1251 10073 821 AT&T Services, Inc.
7011 1190 316 696 Frontier Communications of Am
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 1505 544 16 Corbina telecom
2118 1433 97 14 EUnet/RELCOM Autonomous Syste
12479 823 761 88 France Telecom Espana SA
34984 741 189 177 BILISIM TELEKOM
6830 715 2310 446 UPC Broadband
31148 704 37 9 FreeNet ISP
20940 699 231 553 Akamai Technologies European
13188 647 100 9 Ukraine
58113 627 70 373 LIR DATACENTER TELECOM SRL
8551 602 364 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 2075 353 219 Types of queries are: POCs, o
28573 2034 1232 57 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 1326 3025 342 Uninet S.A. de C.V.
6458 883 81 15 Telgua
27947 691 75 90 Telconet S.A
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
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 904 958 13 TEDATA
24863 865 274 33 LINKdotNET AS number
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 216 12 17 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 3437 986 155 Windstream Communications Inc
6389 3342 3773 192 BellSouth.net Inc.
17974 2315 702 54 PT Telekomunikasi Indonesia
18566 2089 382 181 Covad Communications Co.
10620 2075 353 219 Types of queries are: POCs, o
28573 2034 1232 57 Types of queries are: POCs, o
4766 2024 11106 780 Korea Telecom (KIX)
1785 1933 680 129 PaeTec Communications, Inc.
7545 1697 301 89 TPG Internet Pty Ltd
22773 1696 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 3150 BellSouth.net Inc.
17974 2315 2261 PT Telekomunikasi Indonesia
28573 2034 1977 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 1697 1608 TPG Internet Pty Ltd
22773 1696 1571 Cox Communications Inc.
8402 1505 1489 Corbina telecom
6503 1520 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
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 43179 Team Consulting d.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
5.178.120.0/21 5602 KPNQwest Italia S.p.a
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
/13:472 /14:847 /15:1525 /16:12302 /17:6384 /18:10655
/19:20771 /20:29842 /21:31505 /22:41279 /23:39339 /24:218227
/25:11 /26:22 /27:18 /28:145 /29:157 /30:84
/31:0 /32:143
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3437 Windstream Communications Inc
18566 2039 2089 Covad Communications Co.
6389 1834 3342 BellSouth.net Inc.
30036 1368 1432 Mediacom Communications Corp
8402 1203 1505 Corbina telecom
11492 1153 1190 CABLE ONE, INC.
22773 1120 1696 Cox Communications Inc.
6503 1047 1520 Axtel, S.A.B. de C.V.
1785 1038 1933 PaeTec Communications, Inc.
7011 929 1190 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:499 2:664 3:1 4:13 5:336 6:3
8:436 12:1978 13:1 14:628 15:11 16:3
17:6 20:24 23:201 24:1801 27:1318 31:974
32:50 33:2 34:2 36:8 37:721 38:809
39:1 40:134 41:2904 42:156 44:3 46:1556
47:2 49:428 50:576 52:13 54:14 55:6
56:1 57:38 58:926 59:511 60:232 61:1176
62:935 63:2018 64:4237 65:2244 66:4524 67:2026
68:1151 69:3201 70:987 71:518 72:1868 74:2608
75:489 76:329 77:946 78:939 79:500 80:1239
81:955 82:649 83:540 84:511 85:1144 86:472
87:934 88:338 89:1809 90:303 91:5086 92:589
93:1329 94:1584 95:1262 96:400 97:317 98:893
99:36 100:22 101:254 103:1345 105:512 106:112
107:189 108:399 109:1484 110:789 111:946 112:429
113:663 114:645 115:830 116:905 117:722 118:945
119:1185 120:354 121:681 122:1609 123:1165 124:1309
125:1266 128:521 129:177 130:256 131:634 132:290
133:22 134:234 135:61 136:214 137:239 138:346
139:182 140:470 141:261 142:432 143:375 144:481
145:78 146:504 147:293 148:739 149:317 150:147
151:186 152:453 153:175 154:18 155:421 156:219
157:336 158:189 159:554 160:345 161:377 162:389
163:176 164:673 165:408 166:579 167:531 168:960
169:125 170:906 171:149 172:5 173:1731 174:629
175:432 176:585 177:1008 178:1680 180:1325 181:120
182:1019 183:203 184:573 186:2072 187:1120 188:1409
189:1586 190:6105 192:5974 193:5679 194:4543 195:3435
196:1236 197:200 198:3647 199:4856 200:5916 201:1973
202:8456 203:8561 204:4319 205:2505 206:2725 207:2726
208:4039 209:3616 210:2699 211:1543 212:2019 213:1794
214:875 215:85 216:5071 217:1563 218:547 219:298
220:1236 221:552 222:298 223:361
End of report