Routing Table Report 09:00 +10GMT Sun 27 Apr, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/us/
Analysis Summary
----------------
BGP routing table entries examined: 485471
Prefixes after maximum aggregation: 192027
Deaggregation factor: 2.53
Unique aggregates announced to Internet: 242788
Total ASes present in the Internet Routing Table: 46524
Prefixes per ASN: 10.43
Origin-only ASes present in the Internet Routing Table: 35798
Origin ASes announcing only one prefix: 16363
Transit ASes present in the Internet Routing Table: 5884
Transit-only ASes present in the Internet Routing Table: 159
Average AS path length visible in the Internet Routing Table: 3.9
Max AS path length visible: 31
Max AS path prepend of ASN ( 19202) 25
Prefixes from unregistered ASNs in the Routing Table: 1761
Unregistered ASNs in the Routing Table: 431
Number of 32-bit ASNs allocated by the RIRs: 6464
Number of 32-bit ASNs visible in the Routing Table: 4842
Prefixes from 32-bit ASNs in the Routing Table: 15847
Number of bogon 32-bit ASNs visible in the Routing Table: 121
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 434
Number of addresses announced to Internet: 2668995264
Equivalent to 159 /8s, 21 /16s and 162 /24s
Percentage of available address space announced: 72.1
Percentage of allocated address space announced: 72.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.3
Total number of prefixes smaller than registry allocations: 169621
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 111694
Total APNIC prefixes after maximum aggregation: 34119
APNIC Deaggregation factor: 3.27
Prefixes being announced from the APNIC address blocks: 114534
Unique aggregates announced from the APNIC address blocks: 49676
APNIC Region origin ASes present in the Internet Routing Table: 4862
APNIC Prefixes per ASN: 23.56
APNIC Region origin ASes announcing only one prefix: 1238
APNIC Region transit ASes present in the Internet Routing Table: 822
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 915
Number of APNIC addresses announced to Internet: 726658560
Equivalent to 43 /8s, 79 /16s and 238 /24s
Percentage of available APNIC address space announced: 84.9
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 166984
Total ARIN prefixes after maximum aggregation: 82781
ARIN Deaggregation factor: 2.02
Prefixes being announced from the ARIN address blocks: 168446
Unique aggregates announced from the ARIN address blocks: 79177
ARIN Region origin ASes present in the Internet Routing Table: 16174
ARIN Prefixes per ASN: 10.41
ARIN Region origin ASes announcing only one prefix: 6089
ARIN Region transit ASes present in the Internet Routing Table: 1605
Average ARIN Region AS path length visible: 3.5
Max ARIN Region AS path length visible: 31
Number of ARIN region 32-bit ASNs visible in the Routing Table: 90
Number of ARIN addresses announced to Internet: 1073291776
Equivalent to 63 /8s, 249 /16s and 34 /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: 122849
Total RIPE prefixes after maximum aggregation: 62456
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 127158
Unique aggregates announced from the RIPE address blocks: 80646
RIPE Region origin ASes present in the Internet Routing Table: 17665
RIPE Prefixes per ASN: 7.20
RIPE Region origin ASes announcing only one prefix: 8278
RIPE Region transit ASes present in the Internet Routing Table: 2826
Average RIPE Region AS path length visible: 4.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2695
Number of RIPE addresses announced to Internet: 657537984
Equivalent to 39 /8s, 49 /16s and 59 /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: 55750
Total LACNIC prefixes after maximum aggregation: 9969
LACNIC Deaggregation factor: 5.59
Prefixes being announced from the LACNIC address blocks: 61945
Unique aggregates announced from the LACNIC address blocks: 28632
LACNIC Region origin ASes present in the Internet Routing Table: 2084
LACNIC Prefixes per ASN: 29.72
LACNIC Region origin ASes announcing only one prefix: 553
LACNIC Region transit ASes present in the Internet Routing Table: 417
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1119
Number of LACNIC addresses announced to Internet: 157964288
Equivalent to 9 /8s, 106 /16s and 88 /24s
Percentage of available LACNIC address space announced: 94.2
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: 12284
Total AfriNIC prefixes after maximum aggregation: 2665
AfriNIC Deaggregation factor: 4.61
Prefixes being announced from the AfriNIC address blocks: 12954
Unique aggregates announced from the AfriNIC address blocks: 4294
AfriNIC Region origin ASes present in the Internet Routing Table: 713
AfriNIC Prefixes per ASN: 18.17
AfriNIC Region origin ASes announcing only one prefix: 205
AfriNIC Region transit ASes present in the Internet Routing Table: 141
Average AfriNIC Region AS path length visible: 3.9
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: 53230592
Equivalent to 3 /8s, 44 /16s and 60 /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 2168 320 116 TPG Telecom Limited
4755 1817 392 194 TATA Communications formerly
9829 1591 1285 40 National Internet Backbone
9583 1335 103 546 Sify Limited
9498 1248 314 79 BHARTI Airtel Ltd.
7552 1219 1082 13 Viettel Corporation
24560 1126 385 175 Bharti Airtel Ltd., Telemedia
4808 1101 2045 323 CNCGROUP IP network China169
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
22773 3065 2937 135 Cox Communications Inc.
6389 2981 3688 53 BellSouth.net Inc.
1785 2197 699 134 PaeTec Communications, Inc.
18566 2048 379 178 MegaPath Corporation
20115 1706 1690 566 Charter Communications
4323 1638 1089 408 tw telecom holdings, inc.
701 1479 11158 746 MCI Communications Services,
30036 1400 303 542 Mediacom Communications Corp
6983 1328 816 309 ITC^Deltacom
22561 1301 402 232 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/us/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 1522 544 16 OJSC "Vimpelcom"
20940 1303 500 984 Akamai International B.V.
13188 1051 100 28 TOV "Bank-Inform"
31148 1018 45 19 Freenet Ltd.
8551 902 369 44 Bezeq International-Ltd
6849 826 357 28 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/us/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 1754 1174 229 Telecom Argentina S.A.
8151 1391 2944 403 Uninet S.A. de C.V.
6503 1109 434 61 Axtel, S.A.B. de C.V.
7738 914 1754 40 Telemar Norte Leste S.A.
27947 867 114 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/us/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 568 958 13 TE-AS
24835 304 144 9 Vodafone Data
36992 275 783 24 ETISALAT MISR
3741 248 921 209 Internet Solutions
37054 234 20 9 Data Telecom Service
29571 230 22 23 Cote d'Ivoire Telecom
29975 192 668 21 Vodacom
Complete listing at http://thyme.rand.apnic.net/us/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 3065 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 2197 699 134 PaeTec Communications, Inc.
7545 2168 320 116 TPG Telecom Limited
18566 2048 379 178 MegaPath Corporation
18881 1933 972 21 Global Village Telecom
Complete listing at http://thyme.rand.apnic.net/us/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3065 2930 Cox Communications Inc.
6389 2981 2928 BellSouth.net Inc.
17974 2799 2721 PT Telekomunikasi Indonesia
10620 2844 2645 Telmex Colombia S.A.
1785 2197 2063 PaeTec Communications, Inc.
7545 2168 2052 TPG Telecom Limited
18881 1933 1912 Global Village Telecom
18566 2048 1870 MegaPath Corporation
36998 1634 1628 Sudanese Mobile Telephone (ZA
4755 1817 1623 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/us/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 2828 XO Communications
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 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
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
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/us/data-badAS
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/us/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 /9:12 /10:31 /11:90 /12:255
/13:476 /14:952 /15:1667 /16:12851 /17:6713 /18:11299
/19:23897 /20:33722 /21:36398 /22:52471 /23:45639 /24:258828
/25:43 /26:49 /27:13 /28:18 /29:7 /30:1
/31:0 /32:23
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2309 3065 Cox Communications Inc.
18566 2003 2048 MegaPath Corporation
6389 1692 2981 BellSouth.net Inc.
36998 1599 1634 Sudanese Mobile Telephone (ZA
30036 1237 1400 Mediacom Communications Corp
8402 1216 1522 OJSC "Vimpelcom"
11492 1191 1235 CABLE ONE, INC.
1785 1163 2197 PaeTec Communications, Inc.
6983 1043 1328 ITC^Deltacom
34984 1030 1668 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/us/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1017 2:694 3:3 4:15 5:972 6:19
8:677 12:1850 13:4 14:958 15:13 16:2
17:31 18:21 20:36 23:802 24:1744 25:1
27:1743 31:1446 32:38 33:2 34:5 36:123
37:1875 38:940 39:4 40:194 41:3158 42:246
44:10 46:2129 47:18 49:694 50:921 52:12
54:47 55:4 57:27 58:1156 59:596 60:396
61:1509 62:1223 63:1985 64:4374 65:2269 66:4144
67:2062 68:1034 69:3291 70:862 71:452 72:2023
74:2610 75:311 76:410 77:1529 78:964 79:700
80:1295 81:1150 82:730 83:754 84:710 85:1258
86:470 87:1187 88:523 89:1802 90:139 91:5723
92:684 93:1710 94:2045 95:1470 96:547 97:348
98:1074 99:48 100:54 101:598 103:4658 105:534
106:172 107:558 108:557 109:2038 110:977 111:1282
112:643 113:835 114:766 115:1077 116:1031 117:899
118:1394 119:1312 120:347 121:783 122:1863 123:1272
124:1342 125:1398 128:585 129:297 130:329 131:651
132:351 133:162 134:321 135:74 136:255 137:319
138:351 139:165 140:181 141:355 142:559 143:409
144:493 145:100 146:585 147:434 148:875 149:346
150:166 151:634 152:421 153:218 154:268 155:480
156:334 157:339 158:241 159:804 160:337 161:510
162:1325 163:196 164:677 165:608 166:276 167:611
168:1021 169:120 170:1388 171:191 172:22 173:1640
174:697 175:582 176:1344 177:2868 178:1954 179:597
180:1709 181:1102 182:1523 183:509 184:705 185:1546
186:2776 187:1521 188:1921 189:1466 190:7450 191:212
192:7157 193:5460 194:4029 195:3490 196:1377 197:1139
198:4960 199:5544 200:6197 201:2643 202:8710 203:8845
204:4572 205:2692 206:2844 207:2866 208:3984 209:3723
210:2979 211:1666 212:2180 213:2039 214:908 215:84
216:5450 217:1680 218:563 219:304 220:1274 221:597
222:340 223:574
End of report