* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 13 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 418416
Prefixes after maximum aggregation: 175860
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 207140
Total ASes present in the Internet Routing Table: 39058
Prefixes per ASN: 10.71
Origin-only ASes present in the Internet Routing Table: 33616
Origin ASes announcing only one prefix: 15793
Transit ASes present in the Internet Routing Table: 5442
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: 24
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1353
Unregistered ASNs in the Routing Table: 277
Number of 32-bit ASNs allocated by the RIRs: 3247
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7622
Special use prefixes present in the Routing Table: 6
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2615038720
Equivalent to 155 /8s, 222 /16s and 83 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.5
Total number of prefixes smaller than registry allocations: 145153
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97062
Total APNIC prefixes after maximum aggregation: 31199
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 98249
Unique aggregates announced from the APNIC address blocks: 42677
APNIC Region origin ASes present in the Internet Routing Table: 4708
APNIC Prefixes per ASN: 20.87
APNIC Region origin ASes announcing only one prefix: 1267
APNIC Region transit ASes present in the Internet Routing Table: 736
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: 705631488
Equivalent to 42 /8s, 15 /16s and 21 /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: 152916
Total ARIN prefixes after maximum aggregation: 77521
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153864
Unique aggregates announced from the ARIN address blocks: 69030
ARIN Region origin ASes present in the Internet Routing Table: 15171
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5736
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: 1083881472
Equivalent to 64 /8s, 154 /16s and 184 /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: 107087
Total RIPE prefixes after maximum aggregation: 56585
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 109525
Unique aggregates announced from the RIPE address blocks: 69852
RIPE Region origin ASes present in the Internet Routing Table: 16840
RIPE Prefixes per ASN: 6.50
RIPE Region origin ASes announcing only one prefix: 8172
RIPE Region transit ASes present in the Internet Routing Table: 2688
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 24
Number of RIPE region 32-bit ASNs visible in the Routing Table: 0
Number of RIPE addresses announced to Internet: 644778752
Equivalent to 38 /8s, 110 /16s and 139 /24s
Percentage of available RIPE address space announced: 93.7
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: 43105
Total LACNIC prefixes after maximum aggregation: 8286
LACNIC Deaggregation factor: 5.20
Prefixes being announced from the LACNIC address blocks: 46157
Unique aggregates announced from the LACNIC address blocks: 21933
LACNIC Region origin ASes present in the Internet Routing Table: 1630
LACNIC Prefixes per ASN: 28.32
LACNIC Region origin ASes announcing only one prefix: 446
LACNIC Region transit ASes present in the Internet Routing Table: 307
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: 116078336
Equivalent to 6 /8s, 235 /16s and 55 /24s
Percentage of available LACNIC address space announced: 69.2
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: 9916
Total AfriNIC prefixes after maximum aggregation: 2212
AfriNIC Deaggregation factor: 4.48
Prefixes being announced from the AfriNIC address blocks: 10400
Unique aggregates announced from the AfriNIC address blocks: 3462
AfriNIC Region origin ASes present in the Internet Routing Table: 561
AfriNIC Prefixes per ASN: 18.54
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 41798144
Equivalent to 2 /8s, 125 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2338 702 54 PT Telekomunikasi Indonesia
4766 2089 11111 827 Korea Telecom (KIX)
7545 1753 301 88 TPG Internet Pty Ltd
4755 1596 386 160 TATA Communications formerly
9829 1325 1106 41 National Internet Backbone
9583 1181 87 510 Sify Limited
7552 1109 1062 11 Vietel Corporation
24560 1039 386 160 Bharti Airtel Ltd., Telemedia
9498 1009 310 73 BHARTI Airtel Ltd.
4808 977 1945 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
6389 3329 3735 185 BellSouth.net Inc.
7029 3151 990 161 Windstream Communications Inc
18566 2086 382 180 Covad Communications Co.
1785 1915 678 127 PaeTec Communications, Inc.
22773 1886 2931 129 Cox Communications Inc.
20115 1659 1580 615 Charter Communications
4323 1576 1170 386 tw telecom holdings, inc.
30036 1393 274 745 Mediacom Communications Corp
7018 1248 10333 834 AT&T Services, Inc.
7011 1204 329 698 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
2118 1401 97 14 EUnet/RELCOM Autonomous Syste
8402 1193 544 16 Corbina telecom
12479 840 771 78 France Telecom Espana SA
34984 765 205 179 BILISIM TELEKOM
6830 724 2313 448 UPC Broadband
31148 712 37 9 FreeNet ISP
20940 699 229 553 Akamai Technologies European
13188 687 100 9 Ukraine
58113 616 69 362 LIR DATACENTER TELECOM SRL
8551 598 364 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 2147 366 220 Types of queries are: POCs, o
28573 2140 1248 54 Types of queries are: POCs, o
7303 1565 1034 199 Telecom Argentina S.A.
6503 1527 451 71 Axtel, S.A.B. de C.V.
8151 1435 3015 342 Uninet S.A. de C.V.
6458 791 81 15 Telgua
27947 698 75 89 Telconet S.A
3816 645 310 30 Types of queries are: POCs, o
11172 593 101 69 Alestra, S. de R.L. de C.V.
14420 581 83 100 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 878 275 36 LINKdotNET AS number
8452 819 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
33776 231 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
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
6389 3329 3735 185 BellSouth.net Inc.
7029 3151 990 161 Windstream Communications Inc
17974 2338 702 54 PT Telekomunikasi Indonesia
10620 2147 366 220 Types of queries are: POCs, o
28573 2140 1248 54 Types of queries are: POCs, o
4766 2089 11111 827 Korea Telecom (KIX)
18566 2086 382 180 Covad Communications Co.
1785 1915 678 127 PaeTec Communications, Inc.
22773 1886 2931 129 Cox Communications Inc.
7545 1753 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
7029 3151 2990 Windstream Communications Inc
17974 2338 2284 PT Telekomunikasi Indonesia
28573 2140 2086 Types of queries are: POCs, o
10620 2147 1927 Types of queries are: POCs, o
18566 2086 1906 Covad Communications Co.
1785 1915 1788 PaeTec Communications, Inc.
22773 1886 1757 Cox Communications Inc.
7545 1753 1665 TPG Internet Pty Ltd
6503 1527 1456 Axtel, S.A.B. de C.V.
4755 1596 1436 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
5.226.184.0/21 50478 BVOX AS
5.230.0.0/19 12586 +----------------------------
5.230.32.0/19 12586 +----------------------------
5.230.64.0/19 12586 +----------------------------
5.230.96.0/19 12586 +----------------------------
5.230.128.0/19 12586 +----------------------------
5.230.160.0/19 12586 +----------------------------
5.230.192.0/19 12586 +----------------------------
5.230.224.0/19 12586 +----------------------------
5.248.0.0/16 15895 Kyivstar GSM
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 /8:19 /9:14 /10:30 /11:84 /12:237
/13:475 /14:847 /15:1555 /16:12353 /17:6458 /18:10755
/19:21038 /20:30195 /21:32006 /22:41938 /23:39572 /24:220275
/25:9 /26:13 /27:10 /28:145 /29:165 /30:86
/31:0 /32:137
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2639 3151 Windstream Communications Inc
18566 2036 2086 Covad Communications Co.
6389 1851 3329 BellSouth.net Inc.
30036 1328 1393 Mediacom Communications Corp
22773 1227 1886 Cox Communications Inc.
11492 1160 1197 CABLE ONE, INC.
6503 1049 1527 Axtel, S.A.B. de C.V.
1785 1014 1915 PaeTec Communications, Inc.
8402 972 1193 Corbina telecom
7011 943 1204 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:539 2:376 3:1 4:13 5:446 6:3
8:453 12:1999 13:1 14:653 15:11 16:3
17:6 20:27 23:201 24:1782 27:1331 31:1031
32:51 33:2 34:2 36:7 37:756 38:821
39:2 40:133 41:3139 42:158 44:3 46:1557
47:2 49:463 50:588 52:13 54:18 55:8
56:1 57:35 58:929 59:527 60:238 61:1176
62:911 63:1996 64:4263 65:2234 66:4491 67:2042
68:1168 69:3197 70:982 71:509 72:1869 74:2594
75:483 76:315 77:935 78:860 79:484 80:1220
81:955 82:635 83:533 84:516 85:1156 86:487
87:925 88:362 89:1763 90:303 91:5207 92:578
93:1409 94:1620 95:1120 96:416 97:319 98:1080
99:36 100:23 101:259 103:1517 105:512 106:119
107:198 108:436 109:1510 110:793 111:961 112:443
113:699 114:647 115:830 116:872 117:730 118:939
119:1223 120:299 121:676 122:1604 123:1171 124:1308
125:1280 128:459 129:176 130:270 131:627 132:284
133:22 134:239 135:61 136:216 137:235 138:342
139:169 140:473 141:280 142:468 143:369 144:484
145:80 146:511 147:256 148:746 149:323 150:150
151:173 152:449 153:183 154:19 155:434 156:219
157:335 158:186 159:569 160:341 161:388 162:357
163:179 164:680 165:413 166:530 167:547 168:957
169:124 170:906 171:150 172:7 173:1690 174:630
175:420 176:800 177:1175 178:1663 180:1345 181:136
182:1043 183:294 184:601 186:2243 187:1244 188:1522
189:1573 190:6083 192:5976 193:5727 194:4558 195:3432
196:1211 197:220 198:3733 199:4943 200:5874 201:1964
202:8513 203:8621 204:4357 205:2530 206:2686 207:2806
208:4058 209:3644 210:2762 211:1532 212:2048 213:1816
214:886 215:86 216:5109 217:1549 218:538 219:298
220:1238 221:513 222:298 223:374
End of report
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