* BGP Routing Table Analysis Reports *
Routing Table Report 08:00 +10GMT Tue 16 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 421380
Prefixes after maximum aggregation: 176853
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 210358
Total ASes present in the Internet Routing Table: 39168
Prefixes per ASN: 10.76
Origin-only ASes present in the Internet Routing Table: 33704
Origin ASes announcing only one prefix: 15798
Transit ASes present in the Internet Routing Table: 5464
Transit-only ASes present in the Internet Routing Table: 128
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: 1494
Unregistered ASNs in the Routing Table: 338
Number of 32-bit ASNs allocated by the RIRs: 3381
Number of 32-bit ASNs visible in the Routing Table: 0
Prefixes from 32-bit ASNs in the Routing Table: 8038
Special use prefixes present in the Routing Table: 19
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2623168000
Equivalent to 156 /8s, 90 /16s and 94 /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: 146225
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 97881
Total APNIC prefixes after maximum aggregation: 31113
APNIC Deaggregation factor: 3.15
Prefixes being announced from the APNIC address blocks: 99209
Unique aggregates announced from the APNIC address blocks: 42914
APNIC Region origin ASes present in the Internet Routing Table: 4725
APNIC Prefixes per ASN: 21.00
APNIC Region origin ASes announcing only one prefix: 1276
APNIC Region transit ASes present in the Internet Routing Table: 744
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: 708940288
Equivalent to 42 /8s, 65 /16s and 146 /24s
Percentage of available APNIC address space announced: 82.9
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: 152925
Total ARIN prefixes after maximum aggregation: 77683
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 153738
Unique aggregates announced from the ARIN address blocks: 69317
ARIN Region origin ASes present in the Internet Routing Table: 15207
ARIN Prefixes per ASN: 10.11
ARIN Region origin ASes announcing only one prefix: 5773
ARIN Region transit ASes present in the Internet Routing Table: 1537
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: 1086616576
Equivalent to 64 /8s, 196 /16s and 116 /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: 109223
Total RIPE prefixes after maximum aggregation: 57346
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111883
Unique aggregates announced from the RIPE address blocks: 71901
RIPE Region origin ASes present in the Internet Routing Table: 16869
RIPE Prefixes per ASN: 6.63
RIPE Region origin ASes announcing only one prefix: 8129
RIPE Region transit ASes present in the Internet Routing Table: 2686
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: 646875648
Equivalent to 38 /8s, 142 /16s and 138 /24s
Percentage of available RIPE address space announced: 94.0
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: 43014
Total LACNIC prefixes after maximum aggregation: 8417
LACNIC Deaggregation factor: 5.11
Prefixes being announced from the LACNIC address blocks: 46336
Unique aggregates announced from the LACNIC address blocks: 22520
LACNIC Region origin ASes present in the Internet Routing Table: 1643
LACNIC Prefixes per ASN: 28.20
LACNIC Region origin ASes announcing only one prefix: 449
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: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0
Number of LACNIC addresses announced to Internet: 116018688
Equivalent to 6 /8s, 234 /16s and 78 /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: 9570
Total AfriNIC prefixes after maximum aggregation: 2237
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 10042
Unique aggregates announced from the AfriNIC address blocks: 3555
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 171
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 42139136
Equivalent to 2 /8s, 130 /16s and 254 /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 2113 11421 606 Korea Telecom (KIX)
7545 1759 301 86 TPG Internet Pty Ltd
4755 1598 387 162 TATA Communications formerly
9829 1401 1154 41 National Internet Backbone
9583 1215 90 520 Sify Limited
7552 1091 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1023 310 74 BHARTI Airtel Ltd.
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 3201 3727 173 BellSouth.net Inc.
7029 3128 990 162 Windstream Communications Inc
18566 2072 381 182 Covad Communications Co.
1785 1931 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
20115 1652 1579 627 Charter Communications
4323 1584 1170 391 tw telecom holdings, inc.
30036 1344 268 751 Mediacom Communications Corp
7018 1271 10320 845 AT&T Services, Inc.
7011 1206 329 700 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 1717 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 821 770 73 France Telecom Espana SA
34984 796 206 182 BILISIM TELEKOM
31148 725 37 9 FreeNet ISP
6830 724 2313 446 UPC Broadband
13188 699 92 152 Ukraine
20940 686 221 533 Akamai Technologies European
58113 602 67 364 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 2204 379 219 Types of queries are: POCs, o
28573 2118 1276 65 Types of queries are: POCs, o
7303 1566 1035 203 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 705 74 87 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 648 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
15399 174 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 3201 3727 173 BellSouth.net Inc.
7029 3128 990 162 Windstream Communications Inc
17974 2365 830 54 PT Telekomunikasi Indonesia
10620 2204 379 219 Types of queries are: POCs, o
28573 2118 1276 65 Types of queries are: POCs, o
4766 2113 11421 606 Korea Telecom (KIX)
18566 2072 381 182 Covad Communications Co.
1785 1931 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications Inc.
7545 1759 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 3128 2966 Windstream Communications Inc
17974 2365 2311 PT Telekomunikasi Indonesia
28573 2118 2053 Types of queries are: POCs, o
10620 2204 1985 Types of queries are: POCs, o
18566 2072 1890 Covad Communications Co.
1785 1931 1803 PaeTec Communications, Inc.
22773 1907 1779 Cox Communications Inc.
8402 1717 1701 Corbina telecom
7545 1759 1673 TPG Internet Pty Ltd
4766 2113 1507 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 /12:241
/13:476 /14:851 /15:1555 /16:12381 /17:6510 /18:10731
/19:21136 /20:30302 /21:32267 /22:42494 /23:39770 /24:221948
/25:9 /26:13 /27:9 /28:143 /29:173 /30:86
/31:0 /32:135
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2618 3128 Windstream Communications Inc
18566 2022 2072 Covad Communications Co.
6389 1794 3201 BellSouth.net Inc.
8402 1434 1717 Corbina telecom
30036 1272 1344 Mediacom Communications Corp
22773 1247 1907 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 945 1206 Frontier Communications of Am
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:604 2:735 3:1 4:13 5:566 6:3
8:487 12:1980 13:1 14:654 15:11 16:3
17:6 20:27 23:200 24:1785 27:1369 31:1051
32:49 33:2 34:2 36:7 37:848 38:822
39:2 40:137 41:2787 42:158 44:3 46:1631
47:2 49:458 50:584 52:12 54:25 55:9
56:5 57:31 58:981 59:535 60:231 61:1278
62:957 63:1992 64:4279 65:2229 66:4515 67:2077
68:1154 69:3214 70:987 71:505 72:1871 74:2601
75:485 76:311 77:974 78:967 79:503 80:1238
81:975 82:646 83:537 84:521 85:1151 86:493
87:946 88:362 89:1799 90:304 91:5256 92:583
93:1492 94:1643 95:1135 96:395 97:325 98:961
99:36 100:31 101:267 103:1639 105:460 106:120
107:199 108:457 109:1584 110:803 111:966 112:437
113:707 114:619 115:876 116:867 117:737 118:957
119:1185 120:338 121:672 122:1598 123:1153 124:1298
125:1284 128:528 129:182 130:268 131:613 132:261
133:22 134:241 135:62 136:220 137:236 138:337
139:168 140:474 141:281 142:474 143:377 144:495
145:82 146:502 147:263 148:738 149:326 150:150
151:196 152:448 153:179 154:19 155:430 156:224
157:326 158:258 159:576 160:347 161:387 162:363
163:180 164:556 165:423 166:528 167:553 168:987
169:125 170:915 171:166 172:7 173:1657 174:626
175:451 176:772 177:1284 178:1628 180:1342 181:160
182:1079 183:304 184:605 185:29 186:2181 187:1345
188:1742 189:1587 190:5803 192:5983 193:5526 194:4605
195:3662 196:1234 197:239 198:3802 199:5041 200:5909
201:1961 202:8501 203:8573 204:4325 205:2511 206:2674
207:2727 208:4050 209:3612 210:2760 211:1525 212:2033
213:1825 214:876 215:86 216:5101 217:1575 218:557
219:297 220:1242 221:533 222:337 223:410
End of report
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