Routing Table Report 04:00 +10GMT Fri 27 Sep, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 468623
Prefixes after maximum aggregation: 188948
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 232092
Total ASes present in the Internet Routing Table: 45071
Prefixes per ASN: 10.40
Origin-only ASes present in the Internet Routing Table: 35230
Origin ASes announcing only one prefix: 16270
Transit ASes present in the Internet Routing Table: 5877
Transit-only ASes present in the Internet Routing Table: 163
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 283
Unregistered ASNs in the Routing Table: 156
Number of 32-bit ASNs allocated by the RIRs: 5102
Number of 32-bit ASNs visible in the Routing Table: 3964
Prefixes from 32-bit ASNs in the Routing Table: 12131
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 585
Number of addresses announced to Internet: 2644426004
Equivalent to 157 /8s, 158 /16s and 189 /24s
Percentage of available address space announced: 71.4
Percentage of allocated address space announced: 71.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 95.0
Total number of prefixes smaller than registry allocations: 164006
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111181
Total APNIC prefixes after maximum aggregation: 33744
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 113205
Unique aggregates announced from the APNIC address blocks: 46766
APNIC Region origin ASes present in the Internet Routing Table: 4872
APNIC Prefixes per ASN: 23.24
APNIC Region origin ASes announcing only one prefix: 1223
APNIC Region transit ASes present in the Internet Routing Table: 828
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 691
Number of APNIC addresses announced to Internet: 727430400
Equivalent to 43 /8s, 91 /16s and 181 /24s
Percentage of available APNIC address space announced: 85.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-63999, 131072-133631
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: 163010
Total ARIN prefixes after maximum aggregation: 81557
ARIN Deaggregation factor: 2.00
Prefixes being announced from the ARIN address blocks: 163507
Unique aggregates announced from the ARIN address blocks: 75729
ARIN Region origin ASes present in the Internet Routing Table: 15905
ARIN Prefixes per ASN: 10.28
ARIN Region origin ASes announcing only one prefix: 6028
ARIN Region transit ASes present in the Internet Routing Table: 1651
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 21
Number of ARIN addresses announced to Internet: 1072690176
Equivalent to 63 /8s, 239 /16s and 244 /24s
Percentage of available ARIN address space announced: 56.7
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, 62464-63487, 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: 118631
Total RIPE prefixes after maximum aggregation: 61209
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 122215
Unique aggregates announced from the RIPE address blocks: 78884
RIPE Region origin ASes present in the Internet Routing Table: 17432
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8256
RIPE Region transit ASes present in the Internet Routing Table: 2785
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2404
Number of RIPE addresses announced to Internet: 656784868
Equivalent to 39 /8s, 37 /16s and 189 /24s
Percentage of available RIPE address space announced: 95.5
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, 61952-62463, 196608-200191
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: 51870
Total LACNIC prefixes after maximum aggregation: 9820
LACNIC Deaggregation factor: 5.28
Prefixes being announced from the LACNIC address blocks: 56819
Unique aggregates announced from the LACNIC address blocks: 26235
LACNIC Region origin ASes present in the Internet Routing Table: 2027
LACNIC Prefixes per ASN: 28.03
LACNIC Region origin ASes announcing only one prefix: 570
LACNIC Region transit ASes present in the Internet Routing Table: 383
Average LACNIC Region AS path length visible: 4.5
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 842
Number of LACNIC addresses announced to Internet: 139234352
Equivalent to 8 /8s, 76 /16s and 140 /24s
Percentage of available LACNIC address space announced: 83.0
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11668
Total AfriNIC prefixes after maximum aggregation: 2543
AfriNIC Deaggregation factor: 4.59
Prefixes being announced from the AfriNIC address blocks: 12292
Unique aggregates announced from the AfriNIC address blocks: 3973
AfriNIC Region origin ASes present in the Internet Routing Table: 653
AfriNIC Prefixes per ASN: 18.82
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 137
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46719744
Equivalent to 2 /8s, 200 /16s and 227 /24s
Percentage of available AfriNIC address space announced: 46.4
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
4766 2929 11561 930 Korea Telecom (KIX)
17974 2690 903 91 PT TELEKOMUNIKASI INDONESIA
7545 2077 321 112 TPG Internet Pty Ltd
4755 1770 391 187 TATA Communications formerly
9829 1551 1238 40 BSNL National Internet Backbo
9583 1232 92 505 Sify Limited
9498 1193 309 72 BHARTI Airtel Ltd.
4808 1188 2131 347 CNCGROUP IP network: China169
7552 1163 1080 13 Vietel Corporation
24560 1090 380 164 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 3061 3689 59 BellSouth.net Inc.
18566 2066 382 184 Covad Communications
22773 2039 2933 124 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
20115 1678 1651 627 Charter Communications
4323 1607 1102 407 Time Warner Telecom
701 1523 11149 795 UUNET Technologies, Inc.
30036 1344 304 624 Mediacom Communications Corp
7018 1309 11244 823 AT&T WorldNet Services
6983 1286 772 579 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1791 544 17 OJSC "Vimpelcom"
34984 1362 244 220 TELLCOM ILETISIM HIZMETLERI A
20940 1021 372 788 Akamai Technologies European
31148 987 43 17 FreeNet ISP
6830 894 2367 426 UPC Distribution Services
13188 849 99 67 TOV "Bank-Inform"
8551 747 370 41 Bezeq International
12479 676 799 49 Uni2 Autonomous System
35228 528 246 16 Avatar Broadband Limited
3320 507 8413 404 Deutsche Telekom AG
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3361 1732 94 NET Servicos de Comunicao S.A
10620 2576 421 249 TVCABLE BOGOTA
7303 1715 1133 229 Telecom Argentina Stet-France
18881 1436 844 20 Global Village Telecom
8151 1337 2799 413 UniNet S.A. de C.V.
11830 865 364 15 Instituto Costarricense de El
27947 840 93 94 Telconet S.A
6503 834 434 64 AVANTEL, S.A.
7738 780 1498 36 Telecomunicacoes da Bahia S.A
6147 752 376 21 Telefonica Del Peru
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36998 1864 112 5 Sudanese Mobile Telephone (ZA
24863 880 306 30 LINKdotNET AS number
6713 554 633 26 Itissalat Al-MAGHRIB
8452 435 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 216 The Internet Solution
29571 223 17 12 Ci Telecom Autonomous system
36992 222 501 28 Etisalat MISR
15706 221 32 6 Sudatel Internet Exchange Aut
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
28573 3361 1732 94 NET Servicos de Comunicao S.A
6389 3061 3689 59 BellSouth.net Inc.
4766 2929 11561 930 Korea Telecom (KIX)
17974 2690 903 91 PT TELEKOMUNIKASI INDONESIA
10620 2576 421 249 TVCABLE BOGOTA
7545 2077 321 112 TPG Internet Pty Ltd
18566 2066 382 184 Covad Communications
22773 2039 2933 124 Cox Communications, Inc.
1785 2017 679 125 PaeTec Communications, Inc.
36998 1864 112 5 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3061 3002 BellSouth.net Inc.
17974 2690 2599 PT TELEKOMUNIKASI INDONESIA
10620 2576 2327 TVCABLE BOGOTA
4766 2929 1999 Korea Telecom (KIX)
7545 2077 1965 TPG Internet Pty Ltd
22773 2039 1915 Cox Communications, Inc.
1785 2017 1892 PaeTec Communications, Inc.
18566 2066 1882 Covad Communications
36998 1864 1859 Sudanese Mobile Telephone (ZA
8402 1791 1774 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
62719 UNALLOCATED 12.27.130.0/24 4323 Time Warner Telecom
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.90.192.0/18 36086 Broad Communications Technolo
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.91.96.0/20 40676 Psychz Networks
23.91.112.0/21 32475 MidPhase Inc.
23.91.160.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.160.0/19 36493 3757277 Canada Inc. (oa 295.c
23.91.164.0/22 36493 3757277 Canada Inc. (oa 295.c
23.91.168.0/22 36493 3757277 Canada Inc. (oa 295.c
Complete listing at http://thyme.rand.apnic.net/current/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 /8:16 /9:11 /10:31 /11:93 /12:250
/13:479 /14:913 /15:1630 /16:12802 /17:6716 /18:11200
/19:22948 /20:32616 /21:35219 /22:49684 /23:43035 /24:248469
/25:884 /26:990 /27:476 /28:48 /29:79 /30:20
/31:0 /32:14
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
36998 1829 1864 Sudanese Mobile Telephone (ZA
6389 1711 3061 BellSouth.net Inc.
8402 1512 1791 OJSC "Vimpelcom"
22773 1325 2039 Cox Communications, Inc.
30036 1202 1344 Mediacom Communications Corp
11492 1188 1229 Cable One
1785 1084 2017 PaeTec Communications, Inc.
6983 1026 1286 ITC^Deltacom
22561 963 1240 Digital Teleport, Inc
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:842 2:854 3:3 4:17 5:972 6:19
8:606 12:1895 13:3 14:871 15:11 16:3
17:13 18:19 20:21 23:442 24:1743 27:1591
31:1467 32:45 33:2 34:5 36:80 37:1841
38:908 39:3 40:179 41:3286 42:250 44:13
46:2008 47:5 49:677 50:846 52:12 54:39
55:9 57:26 58:1166 59:611 60:344 61:1427
62:1182 63:1991 64:4544 65:2358 66:4184 67:2083
68:1085 69:3327 70:868 71:495 72:2002 74:2559
75:330 76:302 77:1169 78:1068 79:633 80:1330
81:1032 82:623 83:582 84:587 85:1286 86:455
87:997 88:549 89:1725 90:158 91:5638 92:603
93:1618 94:1987 95:1626 96:517 97:343 98:1042
99:43 100:31 101:610 103:3356 105:520 106:143
107:208 108:510 109:1887 110:971 111:1119 112:574
113:799 114:728 115:1038 116:981 117:817 118:1166
119:1291 120:368 121:741 122:1882 123:1247 124:1386
125:1428 128:618 129:321 130:323 131:653 132:348
133:162 134:542 135:67 136:272 137:267 138:349
139:181 140:183 141:324 142:551 143:404 144:503
145:100 146:513 147:492 148:700 149:353 150:159
151:584 152:412 153:196 154:47 155:485 156:280
157:421 158:285 159:766 160:347 161:454 162:717
163:231 164:637 165:576 166:258 167:619 168:1051
169:128 170:1083 171:201 172:25 173:1611 174:667
175:502 176:1211 177:2322 178:1886 179:147 180:1541
181:743 182:1284 183:464 184:653 185:888 186:2592
187:1456 188:1894 189:1330 190:7158 192:6952 193:5631
194:4077 195:3339 196:1319 197:996 198:4683 199:5476
200:6062 201:2548 202:9012 203:8927 204:4520 205:2634
206:2877 207:2904 208:4010 209:3640 210:2948 211:1558
212:2265 213:2011 214:931 215:99 216:5346 217:1663
218:621 219:323 220:1277 221:558 222:326 223:503
End of report