IPv4 Routing Table Report 04:00 +10GMT Sun 27 Feb, 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: 889586
Prefixes after maximum aggregation (per Origin AS): 335486
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 428184
Total ASes present in the Internet Routing Table: 72868
Prefixes per ASN: 12.21
Origin-only ASes present in the Internet Routing Table: 62521
Origin ASes announcing only one prefix: 25761
Transit ASes present in the Internet Routing Table: 10347
Transit-only ASes present in the Internet Routing Table: 382
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: 903
Number of instances of unregistered ASNs: 906
Number of 32-bit ASNs allocated by the RIRs: 38665
Number of 32-bit ASNs visible in the Routing Table: 32201
Prefixes from 32-bit ASNs in the Routing Table: 150423
Number of bogon 32-bit ASNs visible in the Routing Table: 20
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 509
Number of addresses announced to Internet: 3068118016
Equivalent to 182 /8s, 223 /16s and 196 /24s
Percentage of available address space announced: 82.9
Percentage of allocated address space announced: 82.9
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: 300965
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 233297
Total APNIC prefixes after maximum aggregation: 66017
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 228110
Unique aggregates announced from the APNIC address blocks: 94262
APNIC Region origin ASes present in the Internet Routing Table: 12435
APNIC Prefixes per ASN: 18.34
APNIC Region origin ASes announcing only one prefix: 3567
APNIC Region transit ASes present in the Internet Routing Table: 1712
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: 7632
Number of APNIC addresses announced to Internet: 773995136
Equivalent to 46 /8s, 34 /16s and 58 /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: 259228
Total ARIN prefixes after maximum aggregation: 119267
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 259329
Unique aggregates announced from the ARIN address blocks: 123649
ARIN Region origin ASes present in the Internet Routing Table: 18985
ARIN Prefixes per ASN: 13.66
ARIN Region origin ASes announcing only one prefix: 6893
ARIN Region transit ASes present in the Internet Routing Table: 1972
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: 4369
Number of ARIN addresses announced to Internet: 1295488000
Equivalent to 77 /8s, 55 /16s and 148 /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: 254312
Total RIPE prefixes after maximum aggregation: 116728
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 250804
Unique aggregates announced from the RIPE address blocks: 149337
RIPE Region origin ASes present in the Internet Routing Table: 28143
RIPE Prefixes per ASN: 8.91
RIPE Region origin ASes announcing only one prefix: 12091
RIPE Region transit ASes present in the Internet Routing Table: 3974
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: 10644
Number of RIPE addresses announced to Internet: 713877120
Equivalent to 42 /8s, 140 /16s and 230 /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: 114254
Total LACNIC prefixes after maximum aggregation: 27409
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 114935
Unique aggregates announced from the LACNIC address blocks: 48633
LACNIC Region origin ASes present in the Internet Routing Table: 10941
LACNIC Prefixes per ASN: 10.50
LACNIC Region origin ASes announcing only one prefix: 2655
LACNIC Region transit ASes present in the Internet Routing Table: 2208
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 53
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8626
Number of LACNIC addresses announced to Internet: 176673280
Equivalent to 10 /8s, 135 /16s and 210 /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: 27592
Total AfriNIC prefixes after maximum aggregation: 5382
AfriNIC Deaggregation factor: 5.13
Prefixes being announced from the AfriNIC address blocks: 35899
Unique aggregates announced from the AfriNIC address blocks: 11857
AfriNIC Region origin ASes present in the Internet Routing Table: 1598
AfriNIC Prefixes per ASN: 22.46
AfriNIC Region origin ASes announcing only one prefix: 555
AfriNIC Region transit ASes present in the Internet Routing Table: 316
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: 930
Number of AfriNIC addresses announced to Internet: 107766528
Equivalent to 6 /8s, 108 /16s and 99 /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 9082 8886 46 CHINAMOBILE-CN China Mobile Communicati
7545 5880 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4678 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3610 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3487 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3434 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 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2112 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 6338 10197 2676 AMAZON-02, US
11492 4444 295 737 CABLEONE, US
22773 3957 3029 368 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3895 263 26 VIASAT-SP-BACKBONE, US
16625 3660 1888 2573 AKAMAI-AS, US
6327 3389 1318 62 SHAW, CA
749 2887 50780 2143 DNIC-AS-00749, US
30036 2610 374 156 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2522 4962 429 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 6811 1729 149 UNI2-AS, ES
9121 6757 1692 17 TTNET, TR
8551 4014 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3918 3348 213 AKAMAI-ASN1, NL
39891 3274 188 25 ALJAWWALSTC-AS, SA
12389 2962 2290 910 ROSTELECOM-AS, RU
9009 2465 249 1284 M247, GB
34984 2235 358 606 TELLCOM-AS, TR
47331 1963 316 1496 TTNET, TR
58224 1782 929 579 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 10362 3417 563 Uninet S.A. de C.V., MX
10620 3472 520 695 Telmex Colombia S.A., CO
11830 2459 369 62 Instituto Costarricense de Electricidad
13999 1688 288 471 Mega Cable, S.A. de C.V., MX
6503 1441 354 524 Axtel, S.A.B. de C.V., MX
28573 1399 2332 247 CLARO S.A., BR
3816 1252 662 144 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
26615 1149 2350 139 TIM SA, BR
6147 1091 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 1592 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 730 521 39 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 509 50 30 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 10362 3417 563 Uninet S.A. de C.V., MX
9808 9082 8886 46 CHINAMOBILE-CN China Mobile Communicati
12479 6811 1729 149 UNI2-AS, ES
9121 6757 1692 17 TTNET, TR
16509 6338 10197 2676 AMAZON-02, US
7545 5880 788 691 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4678 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 3957 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 9082 9036 CHINAMOBILE-CN China Mobile Communications Grou
9121 6757 6740 TTNET, TR
12479 6811 6662 UNI2-AS, ES
7545 5880 5189 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4678 4604 ERX-CERNET-BKB China Education and Research Net
8551 4014 3975 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3895 3869 VIASAT-SP-BACKBONE, US
11492 4444 3707 CABLEONE, US
20940 3918 3705 AKAMAI-ASN1, NL
16509 6338 3662 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
23.132.120.0/24 Origin: 400473 AS-JENCO, US
23.132.120.0/24 Transit: 397095 SETSONLLC, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.252.160.0/24 Origin: 398968 GROUP-IID-01, US
23.252.160.0/24 Transit: 174 COGENT-174, US
23.252.161.0/24 Origin: 398968 GROUP-IID-01, US
23.252.161.0/24 Transit: 174 COGENT-174, US
23.252.163.0/24 Origin: 398968 GROUP-IID-01, US
23.252.163.0/24 Transit: 174 COGENT-174, US
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
/13:591 /14:1205 /15:2029 /16:13578 /17:8352 /18:13881
/19:25152 /20:43168 /21:52399 /22:108464 /23:95408 /24:524087
/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 5915 6757 TTNET, TR
12479 5782 6811 UNI2-AS, ES
8151 4027 10362 Uninet S.A. de C.V., MX
8551 3479 4014 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3358 4444 CABLEONE, US
6327 3201 3389 SHAW, CA
7155 2988 3895 VIASAT-SP-BACKBONE, US
22773 2948 3957 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2810 3274 ALJAWWALSTC-AS, SA
30036 2266 2610 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1696 2:993 3:151 4:7 5:3774 6:103
7:5 8:1561 9:1 11:172 12:1716 13:414
14:2388 15:168 16:42 17:375 18:143 20:166
21:4 22:188 23:5506 24:2309 25:6 27:2610
29:19 31:2423 32:96 34:1 35:62 36:1747
37:3950 38:2596 39:691 40:150 41:3908 42:845
43:2101 44:295 45:15999 46:3904 47:337 49:1677
50:1911 51:107 52:1365 53:1 54:294 55:768
56:8 57:58 58:1770 59:1193 60:966 61:2274
62:2450 63:1939 64:5501 65:2302 66:4876 67:2942
68:1186 69:4140 70:1346 71:671 72:3077 74:2615
75:1517 76:720 77:2126 78:3857 79:3104 80:1964
81:1670 82:1461 83:1206 84:1336 85:3637 86:726
87:1946 88:2648 89:3237 90:509 91:7539 92:1890
93:2591 94:3284 95:4495 96:1310 97:345 98:989
99:862 100:75 101:1036 102:1974 103:28324 104:4232
105:463 106:854 107:2486 108:783 109:4198 110:2072
111:3278 112:1990 113:1493 114:1506 115:1955 116:1903
117:2515 118:2255 119:1858 120:1664 121:1059 122:2559
123:2110 124:1614 125:2107 128:1294 129:1184 130:919
131:2066 132:760 133:372 134:1929 135:289 136:866
137:864 138:2443 139:1223 140:889 141:1369 142:1267
143:1456 144:1225 145:344 146:1786 147:1469 148:2209
149:1697 150:857 151:1078 152:1834 153:454 154:3577
155:1422 156:1877 157:1231 158:1023 159:2067 160:2406
161:1300 162:3449 163:1225 164:1664 165:1576 166:659
167:1711 168:3712 169:681 170:4411 171:825 172:3031
173:3062 174:1019 175:1128 176:3503 177:4583 178:3107
179:1963 180:2275 181:2932 182:3304 183:1929 184:2389
185:19313 186:4311 187:3586 188:3848 189:3058 190:8832
191:1311 192:11059 193:8539 194:6930 195:4969 196:2929
197:2371 198:6012 199:5994 200:7506 201:5663 202:10446
203:9979 204:4556 205:3363 206:3806 207:3383 208:4010
209:4641 210:4246 211:2452 212:3951 213:3383 214:1153
215:64 216:6399 217:2633 218:1246 219:598 220:1954
221:988 222:860 223:2170
End of report