* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Fri 28 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 420383
Prefixes after maximum aggregation: 176515
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 209318
Total ASes present in the Internet Routing Table: 39138
Prefixes per ASN: 10.74
Origin-only ASes present in the Internet Routing Table: 33677
Origin ASes announcing only one prefix: 15792
Transit ASes present in the Internet Routing Table: 5461
Transit-only ASes present in the Internet Routing Table: 126
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: 1406
Unregistered ASNs in the Routing Table: 304
Number of 32-bit ASNs allocated by the RIRs: 3331
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 7857
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2621647616
Equivalent to 156 /8s, 67 /16s and 43 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 146102
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97287
Total APNIC prefixes after maximum aggregation: 31034
APNIC Deaggregation factor: 3.13
Prefixes being announced from the APNIC address blocks: 98512
Unique aggregates announced from the APNIC address blocks: 42776
APNIC Region origin ASes present in the Internet Routing Table: 4713
APNIC Prefixes per ASN: 20.90
APNIC Region origin ASes announcing only one prefix: 1264
APNIC Region transit ASes present in the Internet Routing Table: 741
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 18
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 706428416
Equivalent to 42 /8s, 27 /16s and 62 /24s
Percentage of available APNIC address space announced: 82.6
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: 153082
Total ARIN prefixes after maximum aggregation: 77677
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153961
Unique aggregates announced from the ARIN address blocks: 69080
ARIN Region origin ASes present in the Internet Routing Table: 15187
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 5758
ARIN Region transit ASes present in the Internet Routing Table: 1528
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086773504
Equivalent to 64 /8s, 198 /16s and 217 /24s
Percentage of available ARIN address space announced: 57.5
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: 108480
Total RIPE prefixes after maximum aggregation: 57145
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111074
Unique aggregates announced from the RIPE address blocks: 71343
RIPE Region origin ASes present in the Internet Routing Table: 16868
RIPE Prefixes per ASN: 6.58
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2683
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: 647234304
Equivalent to 38 /8s, 148 /16s and 3 /24s
Percentage of available RIPE address space announced: 94.1
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: 43187
Total LACNIC prefixes after maximum aggregation: 8372
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 46401
Unique aggregates announced from the LACNIC address blocks: 22446
LACNIC Region origin ASes present in the Internet Routing Table: 1647
LACNIC Prefixes per ASN: 28.17
LACNIC Region origin ASes announcing only one prefix: 450
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: 116762368
Equivalent to 6 /8s, 245 /16s and 167 /24s
Percentage of available LACNIC address space announced: 69.6
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: 9789
Total AfriNIC prefixes after maximum aggregation: 2230
AfriNIC Deaggregation factor: 4.39
Prefixes being announced from the AfriNIC address blocks: 10264
Unique aggregates announced from the AfriNIC address blocks: 3532
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 18.20
AfriNIC Region origin ASes announcing only one prefix: 176
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 41881088
Equivalent to 2 /8s, 127 /16s and 14 /24s
Percentage of available AfriNIC address space announced: 41.6
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 2353 702 54 PT Telekomunikasi Indonesia
4766 2115 11421 606 Korea Telecom (KIX)
7545 1756 301 88 TPG Internet Pty Ltd
4755 1601 387 161 TATA Communications formerly
9829 1336 1106 41 National Internet Backbone
9583 1188 88 516 Sify Limited
7552 1101 1062 11 Vietel Corporation
24560 1037 385 159 Bharti Airtel Ltd., Telemedia
18101 1016 135 169 Reliance Infocom Ltd Internet
9498 1015 310 74 BHARTI Airtel Ltd.
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 3298 3731 180 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications Co.
1785 1921 678 128 PaeTec Communications, Inc.
22773 1887 2931 128 Cox Communications Inc.
20115 1656 1581 617 Charter Communications
4323 1574 1169 386 tw telecom holdings, inc.
30036 1387 275 730 Mediacom Communications Corp
7018 1265 10337 845 AT&T Services, Inc.
7011 1205 329 699 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 1624 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 846 775 74 France Telecom Espana SA
34984 782 206 181 BILISIM TELEKOM
6830 725 2313 449 UPC Broadband
31148 710 37 9 FreeNet ISP
13188 694 92 153 Ukraine
20940 666 216 531 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 595 364 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 2190 376 220 Types of queries are: POCs, o
28573 2143 1251 56 Types of queries are: POCs, o
7303 1561 1034 199 Telecom Argentina S.A.
6503 1522 435 70 Axtel, S.A.B. de C.V.
8151 1443 3025 341 Uninet S.A. de C.V.
27947 700 74 87 Telconet S.A
3816 643 309 51 Types of queries are: POCs, o
6458 620 81 15 Telgua
11172 591 101 69 Alestra, S. de R.L. de C.V.
14420 588 87 102 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
24863 890 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 730 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
33776 189 12 13 Starcomms Nigeria Limited
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 3298 3731 180 BellSouth.net Inc.
7029 3164 990 161 Windstream Communications Inc
17974 2353 702 54 PT Telekomunikasi Indonesia
10620 2190 376 220 Types of queries are: POCs, o
28573 2143 1251 56 Types of queries are: POCs, o
4766 2115 11421 606 Korea Telecom (KIX)
18566 2085 382 180 Covad Communications Co.
1785 1921 678 128 PaeTec Communications, Inc.
22773 1887 2931 128 Cox Communications Inc.
7545 1756 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 3164 3003 Windstream Communications Inc
17974 2353 2299 PT Telekomunikasi Indonesia
28573 2143 2087 Types of queries are: POCs, o
10620 2190 1970 Types of queries are: POCs, o
18566 2085 1905 Covad Communications Co.
1785 1921 1793 PaeTec Communications, Inc.
22773 1887 1759 Cox Communications Inc.
7545 1756 1668 TPG Internet Pty Ltd
8402 1624 1608 Corbina telecom
4766 2115 1509 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
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 5.149.64.0/19 35567 DASTO semtel d.o.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
128.0.24.0/21 41794 Sibirskie Seti Ltd.
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.80.0/20 52041 Timer LTD
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
128.0.176.0/20 30764 PODA s.r.o.
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
41.220.80.0/24 38925 G.I.T. TELECOM LIMITED
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 /11:87 /12:240
/13:475 /14:849 /15:1558 /16:12370 /17:6495 /18:10778
/19:21061 /20:30233 /21:32129 /22:42256 /23:39653 /24:221581
/25:9 /26:13 /27:10 /28:141 /29:160 /30:86
/31:0 /32:136
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3164 Windstream Communications Inc
18566 2035 2085 Covad Communications Co.
6389 1839 3298 BellSouth.net Inc.
8402 1355 1624 Corbina telecom
30036 1321 1387 Mediacom Communications Corp
22773 1229 1887 Cox Communications Inc.
11492 1164 1201 CABLE ONE, INC.
6503 1044 1522 Axtel, S.A.B. de C.V.
1785 1017 1921 PaeTec Communications, Inc.
7011 944 1205 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:583 2:632 3:1 4:13 5:540 6:3
8:463 12:1986 13:1 14:648 15:11 16:3
17:6 20:27 23:200 24:1779 27:1339 31:1031
32:49 33:2 34:2 36:7 37:819 38:824
39:2 40:133 41:3043 42:158 44:3 46:1587
47:2 49:469 50:590 52:13 54:21 55:8
56:1 57:31 58:931 59:534 60:232 61:1179
62:950 63:1979 64:4262 65:2238 66:4501 67:2088
68:1166 69:3224 70:987 71:509 72:1871 74:2597
75:485 76:315 77:960 78:952 79:492 80:1245
81:971 82:637 83:532 84:517 85:1157 86:499
87:927 88:361 89:1823 90:303 91:5233 92:597
93:1423 94:1637 95:1197 96:417 97:322 98:978
99:36 100:23 101:261 103:1554 105:512 106:118
107:198 108:446 109:1526 110:805 111:968 112:439
113:710 114:624 115:878 116:873 117:734 118:904
119:1172 120:301 121:678 122:1589 123:1163 124:1293
125:1276 128:510 129:178 130:268 131:628 132:303
133:22 134:240 135:61 136:218 137:236 138:337
139:169 140:469 141:279 142:467 143:379 144:487
145:81 146:508 147:261 148:732 149:324 150:147
151:192 152:449 153:178 154:19 155:436 156:221
157:327 158:258 159:580 160:344 161:385 162:362
163:178 164:684 165:417 166:528 167:554 168:963
169:125 170:908 171:166 172:6 173:1685 174:612
175:442 176:783 177:1245 178:1612 180:1347 181:137
182:1045 183:295 184:604 185:6 186:2196 187:1265
188:1693 189:1587 190:6027 192:5981 193:5728 194:4560
195:3483 196:1219 197:228 198:3769 199:4989 200:5941
201:1980 202:8490 203:8624 204:4351 205:2514 206:2670
207:2783 208:4060 209:3640 210:2778 211:1520 212:2007
213:1822 214:886 215:86 216:5101 217:1557 218:556
219:298 220:1241 221:508 222:302 223:405
End of report
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