* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 28 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 415080
Prefixes after maximum aggregation: 175316
Deaggregation factor: 2.37
Unique aggregates announced to Internet: 206433
Total ASes present in the Internet Routing Table: 38968
Prefixes per ASN: 10.65
Origin-only ASes present in the Internet Routing Table: 33555
Origin ASes announcing only one prefix: 15776
Transit ASes present in the Internet Routing Table: 5413
Transit-only ASes present in the Internet Routing Table: 115
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1249
Unregistered ASNs in the Routing Table: 241
Number of 32-bit ASNs allocated by the RIRs: 3182
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7207
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2610988288
Equivalent to 155 /8s, 160 /16s and 133 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.5
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.3
Total number of prefixes smaller than registry allocations: 144202
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96488
Total APNIC prefixes after maximum aggregation: 31169
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 97669
Unique aggregates announced from the APNIC address blocks: 42451
APNIC Region origin ASes present in the Internet Routing Table: 4690
APNIC Prefixes per ASN: 20.82
APNIC Region origin ASes announcing only one prefix: 1271
APNIC Region transit ASes present in the Internet Routing Table: 735
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: 705481472
Equivalent to 42 /8s, 12 /16s and 203 /24s
Percentage of available APNIC address space announced: 82.5
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: 152669
Total ARIN prefixes after maximum aggregation: 77412
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153641
Unique aggregates announced from the ARIN address blocks: 68885
ARIN Region origin ASes present in the Internet Routing Table: 15170
ARIN Prefixes per ASN: 10.13
ARIN Region origin ASes announcing only one prefix: 5755
ARIN Region transit ASes present in the Internet Routing Table: 1526
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: 1085177856
Equivalent to 64 /8s, 174 /16s and 128 /24s
Percentage of available ARIN address space announced: 57.4
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: 106217
Total RIPE prefixes after maximum aggregation: 56169
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 108503
Unique aggregates announced from the RIPE address blocks: 69317
RIPE Region origin ASes present in the Internet Routing Table: 16786
RIPE Prefixes per ASN: 6.46
RIPE Region origin ASes announcing only one prefix: 8144
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: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 641586944
Equivalent to 38 /8s, 61 /16s and 215 /24s
Percentage of available RIPE address space announced: 93.3
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: 42200
Total LACNIC prefixes after maximum aggregation: 8317
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 45034
Unique aggregates announced from the LACNIC address blocks: 22175
LACNIC Region origin ASes present in the Internet Routing Table: 1618
LACNIC Prefixes per ASN: 27.83
LACNIC Region origin ASes announcing only one prefix: 431
LACNIC Region transit ASes present in the Internet Routing Table: 300
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 114470912
Equivalent to 6 /8s, 210 /16s and 176 /24s
Percentage of available LACNIC address space announced: 68.2
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: 9579
Total AfriNIC prefixes after maximum aggregation: 2195
AfriNIC Deaggregation factor: 4.36
Prefixes being announced from the AfriNIC address blocks: 10061
Unique aggregates announced from the AfriNIC address blocks: 3458
AfriNIC Region origin ASes present in the Internet Routing Table: 556
AfriNIC Prefixes per ASN: 18.10
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 41676544
Equivalent to 2 /8s, 123 /16s and 239 /24s
Percentage of available AfriNIC address space announced: 41.4
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 2342 702 54 PT Telekomunikasi Indonesia
4766 2081 11111 830 Korea Telecom (KIX)
7545 1722 301 88 TPG Internet Pty Ltd
4755 1587 385 157 TATA Communications formerly
9829 1310 1100 27 National Internet Backbone
9583 1177 86 509 Sify Limited
7552 1095 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1000 310 73 BHARTI Airtel Ltd.
4808 975 1958 292 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 3451 990 154 Windstream Communications Inc
6389 3354 3754 188 BellSouth.net Inc.
18566 2087 382 179 Covad Communications Co.
1785 1947 681 131 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
20115 1649 1575 609 Charter Communications
4323 1570 1042 386 tw telecom holdings, inc.
30036 1438 281 724 Mediacom Communications Corp
7018 1245 10339 817 AT&T Services, Inc.
11492 1197 217 345 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 1549 544 16 Corbina telecom
12479 828 764 85 France Telecom Espana SA
34984 751 189 176 BILISIM TELEKOM
6830 721 2313 448 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 691 226 547 Akamai Technologies European
2118 685 97 14 EUnet/RELCOM Autonomous Syste
13188 658 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 599 364 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 2101 358 219 Types of queries are: POCs, o
28573 2051 1244 55 Types of queries are: POCs, o
7303 1565 1034 200 Telecom Argentina S.A.
6503 1411 435 70 Axtel, S.A.B. de C.V.
8151 1334 3014 342 Uninet S.A. de C.V.
6458 883 81 15 Telgua
3816 604 255 90 Types of queries are: POCs, o
11172 591 101 70 Alestra, S. de R.L. de C.V.
22047 580 326 15 Types of queries are: POCs, o
14420 576 82 102 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
8452 882 958 13 TEDATA
24863 869 275 36 LINKdotNET AS number
36998 535 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 267 80 8 RAYA Telecom - Egypt
3741 261 904 222 The Internet Solution
12258 194 28 66 Vodacom Internet Company
33776 194 13 11 Starcomms Nigeria Limited
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3451 990 154 Windstream Communications Inc
6389 3354 3754 188 BellSouth.net Inc.
17974 2342 702 54 PT Telekomunikasi Indonesia
10620 2101 358 219 Types of queries are: POCs, o
18566 2087 382 179 Covad Communications Co.
4766 2081 11111 830 Korea Telecom (KIX)
28573 2051 1244 55 Types of queries are: POCs, o
1785 1947 681 131 PaeTec Communications, Inc.
22773 1824 2930 128 Cox Communications Inc.
7545 1722 301 88 TPG Internet Pty Ltd
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 3354 3166 BellSouth.net Inc.
17974 2342 2288 PT Telekomunikasi Indonesia
28573 2051 1996 Types of queries are: POCs, o
18566 2087 1908 Covad Communications Co.
10620 2101 1882 Types of queries are: POCs, o
1785 1947 1816 PaeTec Communications, Inc.
22773 1824 1696 Cox Communications Inc.
7545 1722 1634 TPG Internet Pty Ltd
8402 1549 1533 Corbina telecom
4755 1587 1430 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
59521 UNALLOCATED 5.134.192.0/21 29518 Bredband2 AB
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
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.
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
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
41.207.224.0/23 36898 UniNet Communications
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 /12:238
/13:473 /14:842 /15:1542 /16:12337 /17:6427 /18:10719
/19:20902 /20:30024 /21:31606 /22:41560 /23:39412 /24:218275
/25:11 /26:22 /27:18 /28:146 /29:158 /30:82
/31:0 /32:138
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2809 3451 Windstream Communications Inc
18566 2037 2087 Covad Communications Co.
6389 1856 3354 BellSouth.net Inc.
30036 1371 1438 Mediacom Communications Corp
8402 1280 1549 Corbina telecom
22773 1174 1824 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
1785 1042 1947 PaeTec Communications, Inc.
6503 969 1411 Axtel, S.A.B. de C.V.
7011 933 1193 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:532 2:736 3:1 4:13 5:384 6:3
8:437 12:1999 13:1 14:635 15:11 16:3
17:6 20:27 23:204 24:1791 27:1321 31:1063
32:51 33:2 34:2 36:8 37:743 38:817
39:1 40:133 41:2876 42:157 44:3 46:1586
47:2 49:470 50:589 52:13 54:17 55:7
56:1 57:33 58:929 59:521 60:234 61:1174
62:954 63:2004 64:4259 65:2241 66:4489 67:2039
68:1171 69:3198 70:986 71:525 72:1867 74:2575
75:491 76:330 77:942 78:926 79:486 80:1234
81:957 82:642 83:535 84:516 85:1134 86:462
87:931 88:363 89:1824 90:299 91:5131 92:590
93:1376 94:1587 95:1259 96:415 97:317 98:904
99:36 100:23 101:261 103:1430 105:512 106:116
107:198 108:416 109:1496 110:797 111:952 112:424
113:681 114:651 115:838 116:871 117:724 118:937
119:1209 120:294 121:674 122:1617 123:1183 124:1317
125:1265 128:513 129:178 130:271 131:621 132:294
133:22 134:236 135:61 136:217 137:235 138:338
139:182 140:474 141:275 142:467 143:354 144:483
145:81 146:506 147:259 148:741 149:298 150:151
151:169 152:455 153:177 154:19 155:440 156:219
157:337 158:179 159:561 160:348 161:386 162:405
163:179 164:680 165:410 166:563 167:540 168:956
169:124 170:905 171:145 172:5 173:1712 174:630
175:417 176:598 177:1060 178:1693 180:1343 181:127
182:1016 183:226 184:590 186:2036 187:1069 188:1473
189:1544 190:6119 192:5968 193:5471 194:4222 195:3249
196:1213 197:207 198:3699 199:4900 200:5837 201:1951
202:8499 203:8574 204:4339 205:2512 206:2678 207:2797
208:4041 209:3622 210:2749 211:1550 212:2032 213:1813
214:856 215:84 216:5124 217:1548 218:534 219:299
220:1235 221:510 222:303 223:330
End of report
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