* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Thu 18 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421936
Prefixes after maximum aggregation: 177051
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210566
Total ASes present in the Internet Routing Table: 39193
Prefixes per ASN: 10.77
Origin-only ASes present in the Internet Routing Table: 33725
Origin ASes announcing only one prefix: 15810
Transit ASes present in the Internet Routing Table: 5468
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: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 1479
Unregistered ASNs in the Routing Table: 342
Number of 32-bit ASNs allocated by the RIRs: 3389
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8059
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 181
Number of addresses announced to Internet: 2625898240
Equivalent to 156 /8s, 132 /16s and 7 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
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: 146401
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97827
Total APNIC prefixes after maximum aggregation: 31121
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 99191
Unique aggregates announced from the APNIC address blocks: 42914
APNIC Region origin ASes present in the Internet Routing Table: 4727
APNIC Prefixes per ASN: 20.98
APNIC Region origin ASes announcing only one prefix: 1280
APNIC Region transit ASes present in the Internet Routing Table: 745
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: 708759040
Equivalent to 42 /8s, 62 /16s and 206 /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: 153065
Total ARIN prefixes after maximum aggregation: 77751
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153888
Unique aggregates announced from the ARIN address blocks: 69390
ARIN Region origin ASes present in the Internet Routing Table: 15209
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5767
ARIN Region transit ASes present in the Internet Routing Table: 1530
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: 1086653440
Equivalent to 64 /8s, 197 /16s and 4 /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: 109426
Total RIPE prefixes after maximum aggregation: 57369
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 112081
Unique aggregates announced from the RIPE address blocks: 71902
RIPE Region origin ASes present in the Internet Routing Table: 16871
RIPE Prefixes per ASN: 6.64
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2689
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: 648051456
Equivalent to 38 /8s, 160 /16s and 123 /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: 43263
Total LACNIC prefixes after maximum aggregation: 8514
LACNIC Deaggregation factor: 5.08
Prefixes being announced from the LACNIC address blocks: 46559
Unique aggregates announced from the LACNIC address blocks: 22647
LACNIC Region origin ASes present in the Internet Routing Table: 1659
LACNIC Prefixes per ASN: 28.06
LACNIC Region origin ASes announcing only one prefix: 457
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 117560320
Equivalent to 7 /8s, 1 /16s and 212 /24s
Percentage of available LACNIC address space announced: 70.1
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: 9551
Total AfriNIC prefixes after maximum aggregation: 2239
AfriNIC Deaggregation factor: 4.27
Prefixes being announced from the AfriNIC address blocks: 10035
Unique aggregates announced from the AfriNIC address blocks: 3553
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42218240
Equivalent to 2 /8s, 132 /16s and 51 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2365 830 54 PT Telekomunikasi Indonesia
4766 2116 11423 605 Korea Telecom (KIX)
7545 1768 301 87 TPG Internet Pty Ltd
4755 1597 387 162 TATA Communications formerly
9829 1402 1154 41 National Internet Backbone
9583 1216 90 520 Sify Limited
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1019 307 69 BHARTI Airtel Ltd.
18101 1017 135 171 Reliance Infocom Ltd Internet
7552 1002 1062 14 Vietel Corporation
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 3196 3727 173 BellSouth.net Inc.
7029 3127 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1931 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
20115 1660 1583 615 Charter Communications
4323 1587 1170 391 tw telecom holdings, inc.
30036 1350 269 747 Mediacom Communications Corp
7018 1275 10321 849 AT&T Services, Inc.
11492 1203 217 333 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 1718 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 France Telecom Espana SA
34984 803 206 183 BILISIM TELEKOM
6830 725 2313 447 UPC Broadband
31148 725 37 9 FreeNet ISP
13188 700 92 151 Ukraine
20940 688 222 545 Akamai Technologies European
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 600 364 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 2195 378 227 Types of queries are: POCs, o
28573 2136 1277 60 Types of queries are: POCs, o
7303 1598 1067 204 Telecom Argentina S.A.
6503 1529 435 70 Axtel, S.A.B. de C.V.
8151 1446 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 596 101 66 Alestra, S. de R.L. de C.V.
14420 588 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 895 307 37 LINKdotNET AS number
36998 720 48 3 MOBITEL
8452 655 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
3741 267 906 225 The Internet Solution
24835 265 80 8 RAYA Telecom - Egypt
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
15399 181 29 5 Wananchi Online 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 3196 3727 173 BellSouth.net Inc.
7029 3127 990 162 Windstream Communications Inc
17974 2365 830 54 PT Telekomunikasi Indonesia
10620 2195 378 227 Types of queries are: POCs, o
28573 2136 1277 60 Types of queries are: POCs, o
4766 2116 11423 605 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1931 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications Inc.
7545 1768 301 87 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 3127 2965 Windstream Communications Inc
17974 2365 2311 PT Telekomunikasi Indonesia
28573 2136 2076 Types of queries are: POCs, o
10620 2195 1968 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1931 1803 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications Inc.
8402 1718 1702 Corbina telecom
7545 1768 1681 TPG Internet Pty Ltd
4766 2116 1511 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 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
128.0.72.0/21 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 /15:1557 /16:12402 /17:6516 /18:10754
/19:21142 /20:30309 /21:32301 /22:42466 /23:39814 /24:222372
/25:9 /26:13 /27:10 /28:144 /29:179 /30:87
/31:0 /32:142
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2617 3127 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1793 3196 BellSouth.net Inc.
8402 1435 1718 Corbina telecom
30036 1278 1350 Mediacom Communications Corp
22773 1246 1906 Cox Communications Inc.
11492 1166 1203 CABLE ONE, INC.
6503 1050 1529 Axtel, S.A.B. de C.V.
1785 1017 1931 PaeTec Communications, Inc.
7011 935 1199 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:603 2:736 3:1 4:13 5:572 6:3
8:469 12:1980 13:1 14:653 15:11 16:3
17:6 20:27 23:200 24:1784 27:1367 31:1082
32:49 33:2 34:2 36:7 37:859 38:820
39:2 40:137 41:2790 42:154 44:3 46:1643
47:2 49:455 50:588 52:12 54:25 55:8
56:5 57:31 58:978 59:537 60:231 61:1279
62:957 63:1992 64:4281 65:2226 66:4523 67:2077
68:1153 69:3234 70:986 71:505 72:1869 74:2603
75:481 76:310 77:975 78:975 79:503 80:1232
81:974 82:630 83:541 84:525 85:1150 86:492
87:944 88:362 89:1792 90:304 91:5260 92:597
93:1491 94:1645 95:1130 96:397 97:325 98:966
99:36 100:32 101:265 103:1647 105:460 106:120
107:201 108:459 109:1643 110:804 111:964 112:439
113:707 114:618 115:876 116:856 117:740 118:954
119:1180 120:341 121:675 122:1602 123:1164 124:1299
125:1285 128:530 129:183 130:271 131:631 132:305
133:22 134:240 135:62 136:219 137:238 138:337
139:168 140:473 141:281 142:474 143:379 144:497
145:82 146:501 147:267 148:739 149:328 150:150
151:200 152:448 153:179 154:19 155:430 156:224
157:326 158:261 159:578 160:338 161:388 162:363
163:180 164:560 165:424 166:526 167:553 168:987
169:125 170:917 171:166 172:7 173:1659 174:628
175:453 176:758 177:1275 178:1673 180:1348 181:162
182:1075 183:305 184:607 185:31 186:2210 187:1326
188:1760 189:1591 190:5821 192:5998 193:5541 194:4606
195:3661 196:1227 197:242 198:3815 199:5040 200:5948
201:1963 202:8507 203:8598 204:4329 205:2517 206:2680
207:2726 208:4055 209:3608 210:2755 211:1535 212:2027
213:1824 214:871 215:86 216:5094 217:1577 218:560
219:296 220:1241 221:532 222:337 223:414
End of report
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