* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 23 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 422686
Prefixes after maximum aggregation: 177096
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210982
Total ASes present in the Internet Routing Table: 39248
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33758
Origin ASes announcing only one prefix: 15829
Transit ASes present in the Internet Routing Table: 5490
Transit-only ASes present in the Internet Routing Table: 129
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1493
Unregistered ASNs in the Routing Table: 350
Number of 32-bit ASNs allocated by the RIRs: 3401
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8114
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 169
Number of addresses announced to Internet: 2626807040
Equivalent to 156 /8s, 145 /16s and 229 /24s
Percentage of available address space announced: 71.0
Percentage of allocated address space announced: 71.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 146890
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97912
Total APNIC prefixes after maximum aggregation: 31135
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99292
Unique aggregates announced from the APNIC address blocks: 42969
APNIC Region origin ASes present in the Internet Routing Table: 4735
APNIC Prefixes per ASN: 20.97
APNIC Region origin ASes announcing only one prefix: 1274
APNIC Region transit ASes present in the Internet Routing Table: 750
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 0
Number of APNIC addresses announced to Internet: 708764160
Equivalent to 42 /8s, 62 /16s and 226 /24s
Percentage of available APNIC address space announced: 82.8
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: 153141
Total ARIN prefixes after maximum aggregation: 77698
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153975
Unique aggregates announced from the ARIN address blocks: 69477
ARIN Region origin ASes present in the Internet Routing Table: 15221
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5772
ARIN Region transit ASes present in the Internet Routing Table: 1534
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 0
Number of ARIN addresses announced to Internet: 1086874880
Equivalent to 64 /8s, 200 /16s and 101 /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: 109588
Total RIPE prefixes after maximum aggregation: 57410
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 112250
Unique aggregates announced from the RIPE address blocks: 72093
RIPE Region origin ASes present in the Internet Routing Table: 16893
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2705
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: 648220160
Equivalent to 38 /8s, 163 /16s and 14 /24s
Percentage of available RIPE address space announced: 94.2
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: 43467
Total LACNIC prefixes after maximum aggregation: 8551
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46797
Unique aggregates announced from the LACNIC address blocks: 22818
LACNIC Region origin ASes present in the Internet Routing Table: 1670
LACNIC Prefixes per ASN: 28.02
LACNIC Region origin ASes announcing only one prefix: 468
LACNIC Region transit ASes present in the Internet Routing Table: 306
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 118065408
Equivalent to 7 /8s, 9 /16s and 137 /24s
Percentage of available LACNIC address space announced: 70.4
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: 9722
Total AfriNIC prefixes after maximum aggregation: 2248
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 10202
Unique aggregates announced from the AfriNIC address blocks: 3476
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.99
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 42306816
Equivalent to 2 /8s, 133 /16s and 141 /24s
Percentage of available AfriNIC address space announced: 42.0
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 2395 830 54 PT Telekomunikasi Indonesia
4766 2111 11422 603 Korea Telecom (KIX)
7545 1770 301 86 TPG Internet Pty Ltd
4755 1598 387 162 TATA Communications formerly
9829 1409 1154 41 National Internet Backbone
9583 1175 88 512 Sify Limited
24560 1033 382 170 Bharti Airtel Ltd., Telemedia
9498 1020 307 69 BHARTI Airtel Ltd.
7552 1018 1062 15 Vietel Corporation
18101 1018 135 171 Reliance Infocom Ltd Internet
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 3184 3725 167 BellSouth.net Inc.
7029 3135 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
20115 1661 1584 615 Charter Communications
4323 1588 1171 392 tw telecom holdings, inc.
30036 1344 268 751 Mediacom Communications Corp
7018 1276 10321 851 AT&T Services, Inc.
7011 1221 333 691 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 1749 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 France Telecom Espana SA
34984 820 207 197 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 725 2313 447 UPC Broadband
13188 703 93 145 Ukraine
20940 686 222 543 Akamai Technologies European
8551 617 364 61 Bezeq International
58113 601 66 364 LIR DATACENTER TELECOM SRL
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 2225 378 227 Types of queries are: POCs, o
28573 2143 1277 60 Types of queries are: POCs, o
7303 1662 1131 203 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1447 3026 350 Uninet S.A. de C.V.
27947 716 75 92 Telconet S.A
3816 650 309 69 Types of queries are: POCs, o
11172 590 101 66 Alestra, S. de R.L. de C.V.
14420 589 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 Telecomunicacoes da Bahia S.A
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 900 307 37 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 648 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15399 191 29 5 Wananchi Online Limited
15706 191 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 3184 3725 167 BellSouth.net Inc.
7029 3135 990 162 Windstream Communications Inc
17974 2395 830 54 PT Telekomunikasi Indonesia
10620 2225 378 227 Types of queries are: POCs, o
28573 2143 1277 60 Types of queries are: POCs, o
4766 2111 11422 603 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1924 678 125 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
7545 1770 301 86 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 3135 2973 Windstream Communications Inc
17974 2395 2341 PT Telekomunikasi Indonesia
28573 2143 2083 Types of queries are: POCs, o
10620 2225 1998 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1924 1799 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1749 1733 Corbina telecom
7545 1770 1684 TPG Internet Pty Ltd
4766 2111 1508 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 3549 Global Crossing
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 51074 Gostaresh Ertebatate
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
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
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 /12:242
/13:476 /14:851 /15:1559 /16:12400 /17:6533 /18:10773
/19:21144 /20:30395 /21:32366 /22:42555 /23:39856 /24:222801
/25:9 /26:13 /27:11 /28:143 /29:180 /30:88
/31:0 /32:141
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2624 3135 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1791 3184 BellSouth.net Inc.
8402 1467 1749 Corbina telecom
30036 1271 1344 Mediacom Communications Corp
22773 1247 1907 Cox Communications Inc.
11492 1148 1183 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1016 1924 PaeTec Communications, Inc.
7011 957 1221 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:606 2:732 3:1 4:13 5:580 6:3
8:473 12:1976 13:1 14:658 15:11 16:3
17:6 20:27 23:210 24:1783 27:1367 31:1048
32:49 33:2 34:2 36:7 37:861 38:831
39:2 40:136 41:2841 42:158 44:3 46:1633
47:2 49:458 50:595 52:12 54:25 55:7
56:5 57:31 58:977 59:538 60:230 61:1280
62:985 63:1995 64:4272 65:2226 66:4512 67:2122
68:1152 69:3236 70:986 71:505 72:1869 74:2610
75:481 76:310 77:965 78:983 79:504 80:1236
81:977 82:633 83:544 84:526 85:1154 86:487
87:948 88:361 89:1800 90:303 91:5257 92:595
93:1480 94:1670 95:1182 96:396 97:325 98:962
99:36 100:29 101:265 103:1665 105:512 106:121
107:201 108:466 109:1610 110:804 111:969 112:428
113:712 114:624 115:880 116:862 117:745 118:941
119:1182 120:341 121:679 122:1664 123:1161 124:1304
125:1281 128:528 129:183 130:271 131:609 132:302
133:22 134:240 135:62 136:218 137:236 138:337
139:168 140:465 141:285 142:474 143:377 144:493
145:82 146:505 147:259 148:731 149:329 150:147
151:205 152:448 153:183 154:19 155:402 156:224
157:326 158:262 159:578 160:338 161:389 162:364
163:180 164:561 165:439 166:526 167:555 168:971
169:125 170:919 171:152 172:7 173:1686 174:614
175:452 176:748 177:1295 178:1643 180:1343 181:163
182:1096 183:314 184:607 185:31 186:2234 187:1334
188:1758 189:1589 190:5914 192:5991 193:5541 194:4596
195:3662 196:1228 197:247 198:3833 199:5039 200:5947
201:1967 202:8480 203:8609 204:4336 205:2501 206:2652
207:2729 208:4057 209:3606 210:2761 211:1520 212:2081
213:1860 214:890 215:85 216:5104 217:1578 218:559
219:297 220:1248 221:532 222:337 223:397
End of report
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