Routing Table Report 08:00 +10GMT Sat 26 Apr, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 487679
Prefixes after maximum aggregation: 192159
Deaggregation factor: 2.54
Unique aggregates announced to Internet: 242896
Total ASes present in the Internet Routing Table: 46554
Prefixes per ASN: 10.48
Origin-only ASes present in the Internet Routing Table: 35770
Origin ASes announcing only one prefix: 16393
Transit ASes present in the Internet Routing Table: 5940
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 33
Max AS path prepend of ASN ( 55644) 29
Prefixes from unregistered ASNs in the Routing Table: 1825
Unregistered ASNs in the Routing Table: 463
Number of 32-bit ASNs allocated by the RIRs: 6448
Number of 32-bit ASNs visible in the Routing Table: 4844
Prefixes from 32-bit ASNs in the Routing Table: 15935
Number of bogon 32-bit ASNs visible in the Routing Table: 123
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 454
Number of addresses announced to Internet: 2695732736
Equivalent to 160 /8s, 173 /16s and 158 /24s
Percentage of available address space announced: 72.8
Percentage of allocated address space announced: 72.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.2
Total number of prefixes smaller than registry allocations: 169878
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 112445
Total APNIC prefixes after maximum aggregation: 34155
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 116003
Unique aggregates announced from the APNIC address blocks: 49720
APNIC Region origin ASes present in the Internet Routing Table: 4875
APNIC Prefixes per ASN: 23.80
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 823
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 33
Number of APNIC region 32-bit ASNs visible in the Routing Table: 918
Number of APNIC addresses announced to Internet: 730284288
Equivalent to 43 /8s, 135 /16s and 65 /24s
Percentage of available APNIC address space announced: 85.3
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: 166931
Total ARIN prefixes after maximum aggregation: 82856
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 168474
Unique aggregates announced from the ARIN address blocks: 79272
ARIN Region origin ASes present in the Internet Routing Table: 16179
ARIN Prefixes per ASN: 10.41
ARIN Region origin ASes announcing only one prefix: 6098
ARIN Region transit ASes present in the Internet Routing Table: 1631
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 90
Number of ARIN addresses announced to Internet: 1074084096
Equivalent to 64 /8s, 5 /16s and 57 /24s
Percentage of available ARIN address space announced: 56.8
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: 123533
Total RIPE prefixes after maximum aggregation: 62498
RIPE Deaggregation factor: 1.98
Prefixes being announced from the RIPE address blocks: 127866
Unique aggregates announced from the RIPE address blocks: 80661
RIPE Region origin ASes present in the Internet Routing Table: 17685
RIPE Prefixes per ASN: 7.23
RIPE Region origin ASes announcing only one prefix: 8301
RIPE Region transit ASes present in the Internet Routing Table: 2849
Average RIPE Region AS path length visible: 3.4
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2695
Number of RIPE addresses announced to Internet: 657682432
Equivalent to 39 /8s, 51 /16s and 112 /24s
Percentage of available RIPE address space announced: 95.6
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, 196608-202239
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: 55585
Total LACNIC prefixes after maximum aggregation: 9946
LACNIC Deaggregation factor: 5.59
Prefixes being announced from the LACNIC address blocks: 61804
Unique aggregates announced from the LACNIC address blocks: 28572
LACNIC Region origin ASes present in the Internet Routing Table: 2081
LACNIC Prefixes per ASN: 29.70
LACNIC Region origin ASes announcing only one prefix: 550
LACNIC Region transit ASes present in the Internet Routing Table: 419
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1118
Number of LACNIC addresses announced to Internet: 157844480
Equivalent to 9 /8s, 104 /16s and 132 /24s
Percentage of available LACNIC address space announced: 94.1
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: 12415
Total AfriNIC prefixes after maximum aggregation: 2667
AfriNIC Deaggregation factor: 4.66
Prefixes being announced from the AfriNIC address blocks: 13077
Unique aggregates announced from the AfriNIC address blocks: 4287
AfriNIC Region origin ASes present in the Internet Routing Table: 718
AfriNIC Prefixes per ASN: 18.21
AfriNIC Region origin ASes announcing only one prefix: 206
AfriNIC Region transit ASes present in the Internet Routing Table: 142
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: 23
Number of AfriNIC addresses announced to Internet: 53236992
Equivalent to 3 /8s, 44 /16s and 85 /24s
Percentage of available AfriNIC address space announced: 52.9
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 2799 903 78 PT Telekomunikasi Indonesia
4766 2222 11583 629 Korea Telecom
7545 2170 320 118 TPG Telecom Limited
4755 1856 396 187 TATA Communications formerly
9829 1622 1288 35 National Internet Backbone
9583 1324 103 544 Sify Limited
9498 1256 314 85 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
24560 1126 385 175 Bharti Airtel Ltd., Telemedia
4808 1080 2039 317 CNCGROUP IP network China169
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
22773 3066 2937 135 Cox Communications Inc.
6389 2981 3688 53 BellSouth.net Inc.
1785 2196 699 133 PaeTec Communications, Inc.
18566 2044 379 177 MegaPath Corporation
20115 1705 1690 565 Charter Communications
4323 1634 1089 408 tw telecom holdings, inc.
701 1483 11158 752 MCI Communications Services,
30036 1400 303 542 Mediacom Communications Corp
6983 1326 800 307 ITC^Deltacom
22561 1299 402 232 CenturyTel Internet Holdings,
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
34984 1668 264 277 TELLCOM ILETISIM HIZMETLERI A
8402 1544 544 15 OJSC "Vimpelcom"
20940 1305 502 982 Akamai International B.V.
13188 1049 100 28 TOV "Bank-Inform"
8551 1020 370 41 Bezeq International-Ltd
31148 1018 45 19 Freenet Ltd.
6849 827 359 29 JSC "Ukrtelecom"
6830 765 2329 425 Liberty Global Operations B.V
12479 720 797 56 France Telecom Espana SA
9198 572 344 25 JSC Kazakhtelecom
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
28573 3717 1955 98 NET Serviços de Comunicação S
10620 2844 459 199 Telmex Colombia S.A.
18881 1933 972 21 Global Village Telecom
7303 1753 1170 229 Telecom Argentina S.A.
8151 1388 2943 401 Uninet S.A. de C.V.
6503 1136 434 60 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 863 114 52 Telconet S.A
11830 844 364 15 Instituto Costarricense de El
26615 843 2325 35 Tim Celular 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
36998 1634 240 6 Sudanese Mobile Telephone (ZA
24863 954 280 26 Link Egypt (Link.NET)
6713 614 722 28 Office National des Postes et
8452 569 958 13 TE-AS
37054 306 19 8 Data Telecom Service
24835 304 144 9 Vodafone Data
36992 275 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
29571 230 22 23 Cote d'Ivoire Telecom
29975 192 668 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
28573 3717 1955 98 NET Serviços de Comunicação S
22773 3066 2937 135 Cox Communications Inc.
6389 2981 3688 53 BellSouth.net Inc.
10620 2844 459 199 Telmex Colombia S.A.
17974 2799 903 78 PT Telekomunikasi Indonesia
4766 2222 11583 629 Korea Telecom
1785 2196 699 133 PaeTec Communications, Inc.
7545 2170 320 118 TPG Telecom Limited
18566 2044 379 177 MegaPath Corporation
18881 1933 972 21 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3066 2931 Cox Communications Inc.
6389 2981 2928 BellSouth.net Inc.
17974 2799 2721 PT Telekomunikasi Indonesia
10620 2844 2645 Telmex Colombia S.A.
1785 2196 2063 PaeTec Communications, Inc.
7545 2170 2052 TPG Telecom Limited
18881 1933 1912 Global Village Telecom
18566 2044 1867 MegaPath Corporation
4755 1856 1669 TATA Communications formerly
36998 1634 1628 Sudanese Mobile Telephone (ZA
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
22511 UNALLOCATED 8.28.225.0/24 3356 Level 3 Communicatio
22511 UNALLOCATED 8.36.68.0/24 3356 Level 3 Communicatio
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
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 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 0 *
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.100.7.0/24 56096 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
41.73.13.0/24 37004 >>UNKNOWN<<
41.73.14.0/24 37004 >>UNKNOWN<<
41.73.15.0/24 37004 >>UNKNOWN<<
41.73.16.0/24 37004 >>UNKNOWN<<
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 /8:17 /9:12 /10:32 /11:90 /12:257
/13:478 /14:965 /15:1684 /16:12920 /17:6827 /18:11483
/19:24128 /20:33752 /21:36485 /22:52586 /23:45699 /24:259566
/25:9 /26:11 /27:12 /28:112 /29:231 /30:192
/31:0 /32:131
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2310 3066 Cox Communications Inc.
18566 1999 2044 MegaPath Corporation
6389 1692 2981 BellSouth.net Inc.
36998 1599 1634 Sudanese Mobile Telephone (ZA
30036 1237 1400 Mediacom Communications Corp
8402 1233 1544 OJSC "Vimpelcom"
11492 1190 1234 CABLE ONE, INC.
1785 1162 2196 PaeTec Communications, Inc.
6983 1043 1326 ITC^Deltacom
34984 1030 1668 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1023 2:741 3:3 4:15 5:977 6:19
8:677 12:1851 13:4 14:957 15:13 16:2
17:31 18:21 20:36 23:803 24:1746 25:1
27:1765 31:1450 32:35 33:2 34:5 36:132
37:1885 38:940 39:6 40:196 41:3220 42:246
44:10 46:2135 47:19 49:692 50:920 52:12
54:47 55:7 57:33 58:1156 59:602 60:397
61:1516 62:1291 63:1981 64:4371 65:2272 66:4145
67:2058 68:1034 69:3286 70:865 71:446 72:2024
74:2616 75:312 76:418 77:1511 78:964 79:708
80:1303 81:1149 82:738 83:754 84:711 85:1259
86:470 87:1193 88:524 89:1806 90:140 91:5725
92:684 93:1713 94:2051 95:1475 96:546 97:348
98:1074 99:48 100:54 101:597 103:4676 105:534
106:172 107:563 108:559 109:2088 110:981 111:1284
112:641 113:836 114:784 115:1086 116:1036 117:907
118:1395 119:1318 120:354 121:790 122:1882 123:1281
124:1338 125:1393 128:593 129:302 130:329 131:651
132:377 133:162 134:323 135:74 136:255 137:320
138:351 139:168 140:184 141:355 142:556 143:414
144:501 145:100 146:585 147:443 148:872 149:346
150:168 151:633 152:421 153:217 154:269 155:479
156:334 157:341 158:242 159:803 160:338 161:510
162:1327 163:188 164:677 165:608 166:276 167:611
168:1023 169:123 170:1389 171:191 172:22 173:1643
174:696 175:586 176:1353 177:2876 178:1966 179:591
180:1709 181:1103 182:1539 183:505 184:704 185:1547
186:2764 187:1490 188:1915 189:1472 190:7422 191:212
192:7154 193:5485 194:4043 195:3496 196:1400 197:1164
198:4956 199:5543 200:6205 201:2644 202:8800 203:8865
204:4566 205:2690 206:2850 207:2860 208:3981 209:3721
210:2990 211:1664 212:2221 213:2046 214:905 215:84
216:5438 217:1684 218:563 219:305 220:1275 221:597
222:340 223:577
End of report