IPv4 Routing Table Report 04:00 +10GMT Wed 02 Mar, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 889272
Prefixes after maximum aggregation (per Origin AS): 335777
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 427893
Total ASes present in the Internet Routing Table: 72845
Prefixes per ASN: 12.21
Origin-only ASes present in the Internet Routing Table: 62491
Origin ASes announcing only one prefix: 25758
Transit ASes present in the Internet Routing Table: 10354
Transit-only ASes present in the Internet Routing Table: 385
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 53
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 907
Number of instances of unregistered ASNs: 914
Number of 32-bit ASNs allocated by the RIRs: 38684
Number of 32-bit ASNs visible in the Routing Table: 32217
Prefixes from 32-bit ASNs in the Routing Table: 150486
Number of bogon 32-bit ASNs visible in the Routing Table: 32
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 496
Number of addresses announced to Internet: 3067260416
Equivalent to 182 /8s, 210 /16s and 174 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 300752
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 233180
Total APNIC prefixes after maximum aggregation: 66080
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 228189
Unique aggregates announced from the APNIC address blocks: 94330
APNIC Region origin ASes present in the Internet Routing Table: 12442
APNIC Prefixes per ASN: 18.34
APNIC Region origin ASes announcing only one prefix: 3570
APNIC Region transit ASes present in the Internet Routing Table: 1714
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 29
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7643
Number of APNIC addresses announced to Internet: 773779840
Equivalent to 46 /8s, 30 /16s and 241 /24s
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 64297-64395, 131072-151865
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: 259212
Total ARIN prefixes after maximum aggregation: 119243
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 259442
Unique aggregates announced from the ARIN address blocks: 123696
ARIN Region origin ASes present in the Internet Routing Table: 18988
ARIN Prefixes per ASN: 13.66
ARIN Region origin ASes announcing only one prefix: 6899
ARIN Region transit ASes present in the Internet Routing Table: 1966
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4378
Number of ARIN addresses announced to Internet: 1295449344
Equivalent to 77 /8s, 54 /16s and 253 /24s
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, 64198-64296, 393216-401308
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, 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: 254083
Total RIPE prefixes after maximum aggregation: 116944
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 250509
Unique aggregates announced from the RIPE address blocks: 149068
RIPE Region origin ASes present in the Internet Routing Table: 28110
RIPE Prefixes per ASN: 8.91
RIPE Region origin ASes announcing only one prefix: 12077
RIPE Region transit ASes present in the Internet Routing Table: 3980
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10637
Number of RIPE addresses announced to Internet: 713574528
Equivalent to 42 /8s, 136 /16s and 72 /24s
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, 64396-64495
196608-213403
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: 114258
Total LACNIC prefixes after maximum aggregation: 27425
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 114924
Unique aggregates announced from the LACNIC address blocks: 48615
LACNIC Region origin ASes present in the Internet Routing Table: 10939
LACNIC Prefixes per ASN: 10.51
LACNIC Region origin ASes announcing only one prefix: 2655
LACNIC Region transit ASes present in the Internet Routing Table: 2205
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 53
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8628
Number of LACNIC addresses announced to Internet: 176632832
Equivalent to 10 /8s, 135 /16s and 52 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 27632
Total AfriNIC prefixes after maximum aggregation: 5404
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 35712
Unique aggregates announced from the AfriNIC address blocks: 11760
AfriNIC Region origin ASes present in the Internet Routing Table: 1599
AfriNIC Prefixes per ASN: 22.33
AfriNIC Region origin ASes announcing only one prefix: 557
AfriNIC Region transit ASes present in the Internet Routing Table: 317
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 34
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 931
Number of AfriNIC addresses announced to Internet: 107509760
Equivalent to 6 /8s, 104 /16s and 120 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
9808 9105 8886 46 CHINAMOBILE-CN China Mobile Communicati
7545 5882 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3611 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3487 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3433 1880 57 VNPT-AS-VN VNPT Corp, VN
4766 2544 11122 623 KIXS-AS-KR Korea Telecom, KR
9498 2382 475 239 BBIL-AP BHARTI Airtel Ltd., IN
45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2111 429 198 TATACOMM-AS TATA Communications formerl
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6369 10202 2688 AMAZON-02, US
11492 4444 295 737 CABLEONE, US
22773 3959 3029 368 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3895 263 26 VIASAT-SP-BACKBONE, US
16625 3657 1887 2571 AKAMAI-AS, US
6327 3391 1318 62 SHAW, CA
749 2887 50780 2143 DNIC-AS-00749, US
30036 2613 375 145 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2521 4962 428 CENTURYLINK-US-LEGACY-QWEST, US
20115 2261 3042 499 CHARTER-20115, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6830 1729 149 UNI2-AS, ES
9121 6674 1692 17 TTNET, TR
8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3923 3348 213 AKAMAI-ASN1, NL
39891 3546 204 29 ALJAWWALSTC-AS, SA
12389 2962 2290 910 ROSTELECOM-AS, RU
9009 2469 249 1286 M247, GB
34984 2234 358 606 TELLCOM-AS, TR
47331 2057 324 1572 TTNET, TR
58224 1794 925 599 TCI, IR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10369 3417 563 Uninet S.A. de C.V., MX
10620 3472 520 695 Telmex Colombia S.A., CO
11830 2436 369 62 Instituto Costarricense de Electricidad
13999 1691 289 473 Mega Cable, S.A. de C.V., MX
6503 1441 354 524 Axtel, S.A.B. de C.V., MX
28573 1400 2332 248 CLARO S.A., BR
3816 1253 664 145 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
26615 1149 2350 139 TIM SA, BR
6147 1092 369 21 Telefonica del Peru S.A.A., PE
11664 1004 191 447 Techtel LMDS Comunicaciones Interactiva
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1591 393 21 LINKdotNET-AS, EG
24835 1545 523 32 RAYA-AS, EG
36992 1301 1518 262 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 903 64 62 ORANGE-COTE-IVOIRE, CI
36935 729 521 40 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 520 51 34 WANANCHI-, KE
37342 469 32 1 MOVITEL, MZ
23889 422 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10369 3417 563 Uninet S.A. de C.V., MX
9808 9105 8886 46 CHINAMOBILE-CN China Mobile Communicati
12479 6830 1729 149 UNI2-AS, ES
9121 6674 1692 17 TTNET, TR
16509 6369 10202 2688 AMAZON-02, US
7545 5882 788 693 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4444 295 737 CABLEONE, US
8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
22773 3959 3029 368 ASN-CXA-ALL-CCI-22773-RDC, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9105 9059 CHINAMOBILE-CN China Mobile Communications Grou
12479 6830 6681 UNI2-AS, ES
9121 6674 6657 TTNET, TR
7545 5882 5189 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4683 4609 ERX-CERNET-BKB China Education and Research Net
8551 4014 3975 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3895 3869 VIASAT-SP-BACKBONE, US
20940 3923 3710 AKAMAI-ASN1, NL
11492 4444 3707 CABLEONE, US
16509 6369 3681 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US
32306 UNALLOCATED 8.46.80.0/24 33652 CMCS, US
17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /9:13 /10:40 /11:102 /12:305
/13:590 /14:1205 /15:2029 /16:13576 /17:8348 /18:13877
/19:25156 /20:43156 /21:52386 /22:108330 /23:95441 /24:523906
/25:796 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
9121 5832 6674 TTNET, TR
12479 5801 6830 UNI2-AS, ES
8151 4031 10369 Uninet S.A. de C.V., MX
8551 3480 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3358 4444 CABLEONE, US
6327 3203 3391 SHAW, CA
7155 2988 3895 VIASAT-SP-BACKBONE, US
22773 2950 3959 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2874 3546 ALJAWWALSTC-AS, SA
30036 2268 2613 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1722 2:998 3:151 4:7 5:3767 6:103
7:5 8:1560 9:1 11:172 12:1713 13:418
14:2386 15:169 16:41 17:375 18:144 20:167
21:4 22:188 23:5498 24:2308 25:6 27:2611
29:19 31:2424 32:96 34:1 35:62 36:1737
37:3935 38:2605 39:694 40:150 41:3923 42:843
43:2109 44:294 45:16009 46:3897 47:338 49:1679
50:1909 51:107 52:1367 53:1 54:294 55:772
56:8 57:58 58:1772 59:1197 60:966 61:2271
62:2452 63:1943 64:5498 65:2300 66:4874 67:2944
68:1187 69:4142 70:1343 71:671 72:3078 74:2615
75:1516 76:720 77:2101 78:3856 79:3105 80:1965
81:1666 82:1455 83:1206 84:1338 85:3645 86:725
87:1943 88:2652 89:3243 90:511 91:7524 92:1894
93:2593 94:3287 95:4492 96:1310 97:345 98:989
99:861 100:75 101:1035 102:1964 103:28436 104:4229
105:460 106:851 107:2490 108:788 109:4170 110:2070
111:3275 112:2008 113:1493 114:1506 115:1957 116:1904
117:2510 118:2249 119:1857 120:1667 121:1058 122:2542
123:2114 124:1614 125:2107 128:1295 129:1181 130:924
131:2076 132:760 133:372 134:1934 135:289 136:867
137:865 138:2446 139:1238 140:882 141:1376 142:1267
143:1452 144:1228 145:344 146:1763 147:1475 148:2206
149:1708 150:859 151:1079 152:1836 153:457 154:3420
155:1425 156:1884 157:1235 158:1019 159:2059 160:2403
161:1300 162:3450 163:1221 164:1623 165:1577 166:664
167:1713 168:3729 169:685 170:4404 171:821 172:3032
173:3064 174:1018 175:1129 176:3497 177:4593 178:3081
179:1970 180:2275 181:2900 182:3219 183:1945 184:2389
185:19332 186:4297 187:3593 188:3838 189:3069 190:8852
191:1305 192:11034 193:8527 194:6938 195:4968 196:2945
197:2366 198:6017 199:6009 200:7499 201:5663 202:10458
203:9988 204:4555 205:3365 206:3806 207:3370 208:4011
209:4640 210:4218 211:2449 212:3955 213:3370 214:1159
215:64 216:6415 217:2628 218:1246 219:598 220:1951
221:988 222:857 223:2171
End of report