[lacnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora en apnic.net
Vie Jun 13 15:02:18 -03 2025
This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
Daily listings are sent to bgp-stats en lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz en gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 14 Jun, 2025
IPv4 BGP Table (Global) as seen at Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 987315
Prefixes after maximum aggregation (per Origin AS): 381363
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482560
Number of IPv4 prefixes with a valid ROA: 544429
Number of IPv4 prefixes with an invalid ROA: 1985
Number of IPv4 prefixes with no ROA: 440901
Total ASes present in the Internet Routing Table: 76982
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 65862
Origin ASes announcing only one prefix: 26875
Transit ASes present in the Internet Routing Table: 11120
Transit-only ASes present in the Internet Routing Table: 565
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 75
Max AS path prepend of ASN ( 7438) 64
Prefixes from unregistered ASNs in the Routing Table: 1137
Number of instances of unregistered ASNs: 1178
Number of 32-bit ASNs allocated by the RIRs: 46645
Number of 32-bit ASNs visible in the Routing Table: 38406
Prefixes from 32-bit ASNs in the Routing Table: 204489
Number of bogon 32-bit ASNs visible in the Routing Table: 110
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 436
Number of addresses announced to Internet: 3110769024
Equivalent to 185 /8s, 106 /16s and 145 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 323428
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259895
Total APNIC prefixes after maximum aggregation: 77917
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 251279
Unique aggregates announced from the APNIC address blocks: 104432
APNIC Region origin ASes present in the Internet Routing Table: 14661
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 4454
APNIC Region transit ASes present in the Internet Routing Table: 1965
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10163
Number of APNIC addresses announced to Internet: 749730560
Equivalent to 44 /8s, 175 /16s and 251 /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, 131072-155961
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: 290744
Total ARIN prefixes after maximum aggregation: 131511
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292529
Unique aggregates announced from the ARIN address blocks: 139581
ARIN Region origin ASes present in the Internet Routing Table: 19241
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7015
ARIN Region transit ASes present in the Internet Routing Table: 2011
Average ARIN Region AS path length visible: 4.6
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5235
Number of ARIN addresses announced to Internet: 1352798976
Equivalent to 80 /8s, 162 /16s and 19 /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, 393216-402332
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,
54/8, 55/8, 56/8, 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: 275386
Total RIPE prefixes after maximum aggregation: 134813
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273932
Unique aggregates announced from the RIPE address blocks: 175708
RIPE Region origin ASes present in the Internet Routing Table: 28945
RIPE Prefixes per ASN: 9.46
RIPE Region origin ASes announcing only one prefix: 12051
RIPE Region transit ASes present in the Internet Routing Table: 4022
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 69
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12499
Number of RIPE addresses announced to Internet: 731261568
Equivalent to 43 /8s, 150 /16s and 42 /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
196608-216475
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
53/8, 57/8, 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: 124610
Total LACNIC prefixes after maximum aggregation: 29637
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120914
Unique aggregates announced from the LACNIC address blocks: 48887
LACNIC Region origin ASes present in the Internet Routing Table: 11270
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2661
LACNIC Region transit ASes present in the Internet Routing Table: 2546
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 75
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9227
Number of LACNIC addresses announced to Internet: 171832064
Equivalent to 10 /8s, 61 /16s and 243 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 35543
Total AfriNIC prefixes after maximum aggregation: 6730
AfriNIC Deaggregation factor: 5.28
Prefixes being announced from the AfriNIC address blocks: 48225
Unique aggregates announced from the AfriNIC address blocks: 13561
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 25.08
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 59
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet: 104941568
Equivalent to 6 /8s, 65 /16s and 72 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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
9808 11144 8759 105 CHINAMOBILE-CN China Mobile Communication
7545 6171 847 649 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4779 4192 76 ERX-CERNET-BKB China Education and Resear
9498 4411 534 308 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3288 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2887 855 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2352 11521 616 KIXS-AS-KR Korea Telecom, KR
45090 2209 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13689 40939 5231 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3862 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
174 3476 8745 877 COGENT-174, US
22773 3346 3032 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3187 3854 427 GOOGLE-CLOUD-PLATFORM, US
16625 3004 1251 2218 AKAMAI-AS, US
36352 2816 230 857 AS-COLOCROSSING, 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 7696 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 3951 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2083 M247, RO
12389 3121 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 579 TELLCOM-AS, TR
212238 2272 166 1659 CDNEXT, GB
8452 1614 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1414 94 738 CLOUVIDER Clouvider - Global ASN, GB
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 12195 3254 578 UNINET, MX
10620 3502 481 1019 Telmex Colombia S.A., CO
13999 2493 541 357 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1374 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1200 371 22 Telefonica del Peru S.A.A., PE
22884 1061 67 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1041 373 162 Axtel, S.A.B. de C.V., MX
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
24835 1820 644 27 RAYA-AS, EG
24863 1633 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1066 523 47 Vodafone-, EG
20011 981 185 286 INTERNET-SOLUTIONS, ZA
36914 564 82 3 KENET-AS, KE
15399 542 57 59 WANANCHI-, KE
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
16509 13689 40939 5231 AMAZON-02, US
8151 12195 3254 578 UNINET, MX
9808 11144 8759 105 CHINAMOBILE-CN China Mobile Communication
12479 7696 1713 148 UNI2-AS, ES
7545 6171 847 649 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
4538 4779 4192 76 ERX-CERNET-BKB China Education and Resear
11492 4762 316 595 CABLEONE, US
9498 4411 534 308 BBIL-AP BHARTI Airtel Ltd., IN
20940 3951 3395 127 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12195 11617 UNINET, MX
9808 11144 11039 CHINAMOBILE-CN China Mobile Communications Grou
12479 7696 7548 UNI2-AS, ES
7545 6171 5522 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
4538 4779 4703 ERX-CERNET-BKB China Education and Research Net
11492 4762 4167 CABLEONE, US
9498 4411 4103 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 3893 VIETEL-AS-AP Viettel Group, VN
20940 3951 3824 AKAMAI-ASN1, NL
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
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /9:14 /10:41 /11:92 /12:300
/13:582 /14:1211 /15:2140 /16:13919 /17:8329 /18:13756
/19:24798 /20:44789 /21:52198 /22:112503 /23:102842 /24:608991
/25:794 /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
12479 6616 7696 UNI2-AS, ES
8151 6413 12195 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2821 3862 VIASAT-SP-BACKBONE, US
22773 2496 3346 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2377 13689 AMAZON-02, US
30036 2246 2587 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2189 3502 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1726 2:1491 3:819 4:10 5:4709 6:162
7:6 8:1596 9:1 11:172 12:1346 13:451
14:2559 15:360 16:285 17:379 18:920 20:545
21:4 22:188 23:7599 24:2820 25:2 27:2711
29:19 31:3297 32:39 33:1 34:80 35:257
36:3102 37:4591 38:9372 39:908 40:166 41:4202
42:953 43:2598 44:378 45:18624 46:5116 47:325
49:1954 50:1899 51:592 52:1567 54:328 55:1091
56:11 57:269 58:2148 59:1366 60:1171 61:2811
62:2936 63:1801 64:5452 65:2179 66:4661 67:3049
68:1132 69:3861 70:1075 71:639 72:2828 74:2793
75:1509 76:620 77:2717 78:1882 79:1718 80:2240
81:2063 82:3157 83:1450 84:1876 85:3460 86:1081
87:2392 88:1302 89:4421 90:770 91:8407 92:2721
93:2913 94:4028 95:4348 96:1425 97:312 98:981
99:698 100:73 101:1205 102:3818 103:32298 104:5149
105:765 106:1035 107:2668 108:1252 109:4094 110:2236
111:3336 112:2133 113:1539 114:1998 115:2120 116:2065
117:2529 118:2359 119:1946 120:2022 121:1432 122:2789
123:2195 124:1636 125:2909 126:91 128:1598 129:957
130:1302 131:2014 132:780 133:449 134:1521 135:350
136:1349 137:1174 138:2836 139:1582 140:1610 141:1510
142:1900 143:1842 144:1138 145:545 146:2185 147:2106
148:2711 149:2894 150:1253 151:1976 152:2095 153:512
154:7466 155:1745 156:3029 157:1908 158:1331 159:2497
160:3589 161:1850 162:3846 163:2200 164:1858 165:1983
166:1499 167:1961 168:4015 169:795 170:5125 171:1021
172:4466 173:3332 174:921 175:1297 176:3707 177:4739
178:3725 179:2310 180:2636 181:4072 182:3444 183:1861
184:2077 185:21605 186:5197 187:4522 188:4261 189:4297
190:9624 191:1488 192:11322 193:9486 194:7826 195:5565
196:3281 197:3668 198:6209 199:8533 200:8246 201:6379
202:10491 203:10585 204:4581 205:3643 206:4490 207:3629
208:4264 209:5181 210:4862 211:2639 212:4588 213:3744
214:1029 215:48 216:6767 217:3167 218:1412 219:553
220:2141 221:1138 222:857 223:2494
End of report
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