[Tznog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 20 21:02:18 EAT 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 at lists.apnic.net.
For historical data, please see https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 21 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: 986806
Prefixes after maximum aggregation (per Origin AS): 381244
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482827
Number of IPv4 prefixes with a valid ROA: 544483
Number of IPv4 prefixes with an invalid ROA: 1414
Number of IPv4 prefixes with no ROA: 440909
Total ASes present in the Internet Routing Table: 76957
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65860
Origin ASes announcing only one prefix: 26879
Transit ASes present in the Internet Routing Table: 11097
Transit-only ASes present in the Internet Routing Table: 559
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 80
Max AS path prepend of ASN ( 37447) 75
Prefixes from unregistered ASNs in the Routing Table: 1156
Number of instances of unregistered ASNs: 1202
Number of 32-bit ASNs allocated by the RIRs: 46694
Number of 32-bit ASNs visible in the Routing Table: 38421
Prefixes from 32-bit ASNs in the Routing Table: 204873
Number of bogon 32-bit ASNs visible in the Routing Table: 118
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3106923392
Equivalent to 185 /8s, 47 /16s and 227 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 323319
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260272
Total APNIC prefixes after maximum aggregation: 77958
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 251570
Unique aggregates announced from the APNIC address blocks: 104492
APNIC Region origin ASes present in the Internet Routing Table: 14668
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 4454
APNIC Region transit ASes present in the Internet Routing Table: 1962
Average APNIC Region AS path length visible: 5.5
Max APNIC Region AS path length visible: 78
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10171
Number of APNIC addresses announced to Internet: 749585664
Equivalent to 44 /8s, 173 /16s and 197 /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: 290319
Total ARIN prefixes after maximum aggregation: 131377
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292113
Unique aggregates announced from the ARIN address blocks: 139571
ARIN Region origin ASes present in the Internet Routing Table: 19229
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7014
ARIN Region transit ASes present in the Internet Routing Table: 2010
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: 5231
Number of ARIN addresses announced to Internet: 1349715200
Equivalent to 80 /8s, 115 /16s and 5 /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: 275332
Total RIPE prefixes after maximum aggregation: 134898
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273980
Unique aggregates announced from the RIPE address blocks: 175856
RIPE Region origin ASes present in the Internet Routing Table: 28937
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12066
RIPE Region transit ASes present in the Internet Routing Table: 4010
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: 12509
Number of RIPE addresses announced to Internet: 731197568
Equivalent to 43 /8s, 149 /16s and 48 /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: 124493
Total LACNIC prefixes after maximum aggregation: 29614
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 121035
Unique aggregates announced from the LACNIC address blocks: 48913
LACNIC Region origin ASes present in the Internet Routing Table: 11268
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2654
LACNIC Region transit ASes present in the Internet Routing Table: 2538
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: 9223
Number of LACNIC addresses announced to Internet: 171320320
Equivalent to 10 /8s, 54 /16s and 36 /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: 35234
Total AfriNIC prefixes after maximum aggregation: 6644
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 47661
Unique aggregates announced from the AfriNIC address blocks: 13593
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 24.76
AfriNIC Region origin ASes announcing only one prefix: 691
AfriNIC Region transit ASes present in the Internet Routing Table: 375
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 80
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 104893952
Equivalent to 6 /8s, 64 /16s and 142 /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 11291 8760 110 CHINAMOBILE-CN China Mobile Communication
7545 6181 846 648 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4804 4192 76 ERX-CERNET-BKB China Education and Resear
9498 4432 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3915 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3698 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3290 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2892 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2326 11520 609 KIXS-AS-KR Korea Telecom, KR
45090 2208 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 13627 40957 5235 AMAZON-02, US
11492 4780 317 603 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
174 3473 8743 858 COGENT-174, US
22773 3349 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3192 3854 428 GOOGLE-CLOUD-PLATFORM, US
16625 3001 1256 2220 AKAMAI-AS, US
36352 2823 230 852 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 7672 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 3942 3395 126 AKAMAI-ASN1, NL
9009 3896 358 2100 M247, RO
12389 3122 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 576 TELLCOM-AS, TR
212238 2313 169 1695 CDNEXT, GB
8452 1616 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1421 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12209 3256 574 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2537 537 354 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1373 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1208 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1061 67 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1048 2503 52 TIM SA, BR
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 1621 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 1077 523 47 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 568 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 13627 40957 5235 AMAZON-02, US
8151 12209 3256 574 UNINET, MX
9808 11291 8760 110 CHINAMOBILE-CN China Mobile Communication
12479 7672 1713 148 UNI2-AS, ES
7545 6181 846 648 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4804 4192 76 ERX-CERNET-BKB China Education and Resear
11492 4780 317 603 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
9498 4432 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 3942 3395 126 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 12209 11635 UNINET, MX
9808 11291 11181 CHINAMOBILE-CN China Mobile Communications Grou
12479 7672 7524 UNI2-AS, ES
7545 6181 5533 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4804 4728 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
11492 4780 4177 CABLEONE, US
9498 4432 4120 BBIL-AP BHARTI Airtel Ltd., IN
7552 3915 3889 VIETEL-AS-AP Viettel Group, VN
20940 3942 3816 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 7029 WINDSTREAM, 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
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132, 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 /14:1200 /15:2131 /16:13857 /17:8324 /18:13595
/19:24774 /20:44798 /21:52169 /22:112422 /23:102942 /24:608754
/25:795 /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 6594 7672 UNI2-AS, ES
8151 6425 12209 UNINET, MX
11492 3576 4780 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2501 3349 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13627 AMAZON-02, US
30036 2254 2595 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2192 3505 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1738 2:1505 3:824 4:10 5:4749 6:162
7:6 8:1595 9:1 11:172 12:1346 13:451
14:2564 15:363 16:285 17:377 18:918 20:548
21:4 22:188 23:7593 24:2816 25:2 27:2712
29:19 31:3297 32:38 33:1 34:80 35:255
36:3164 37:4586 38:9390 39:908 40:169 41:4286
42:954 43:2593 44:378 45:18630 46:5107 47:321
49:1957 50:1884 51:592 52:1564 54:319 55:1077
56:11 57:272 58:2149 59:1344 60:1171 61:2804
62:2936 63:1799 64:5470 65:2169 66:4649 67:3066
68:1122 69:3850 70:1071 71:624 72:2860 74:2793
75:1506 76:626 77:2738 78:1884 79:1714 80:2223
81:2062 82:3168 83:1444 84:1875 85:3459 86:1082
87:2372 88:1310 89:4408 90:770 91:8408 92:2721
93:2920 94:4036 95:4383 96:1429 97:311 98:981
99:687 100:72 101:1188 102:3866 103:32281 104:5156
105:762 106:1044 107:2663 108:1255 109:4106 110:2232
111:3347 112:2131 113:1547 114:1999 115:2139 116:2066
117:2534 118:2364 119:1941 120:2075 121:1427 122:2802
123:2192 124:1640 125:2898 126:91 128:1590 129:957
130:1300 131:2041 132:783 133:451 134:1541 135:346
136:1347 137:1174 138:2859 139:1569 140:1623 141:1504
142:1903 143:1862 144:1168 145:545 146:2182 147:2109
148:2696 149:2918 150:1259 151:1967 152:2087 153:524
154:7343 155:1754 156:2873 157:1910 158:1330 159:2498
160:3575 161:1852 162:3853 163:2217 164:1831 165:1995
166:1496 167:1978 168:3993 169:791 170:5142 171:1009
172:4451 173:3340 174:921 175:1296 176:3715 177:4766
178:3743 179:2318 180:2636 181:4088 182:3459 183:1834
184:2077 185:21559 186:5182 187:4600 188:4263 189:4329
190:9584 191:1492 192:11313 193:9483 194:7812 195:5550
196:3282 197:3250 198:6199 199:8540 200:8225 201:6393
202:10488 203:10592 204:4573 205:3664 206:4487 207:3586
208:4277 209:5169 210:4859 211:2644 212:4591 213:3751
214:1030 215:48 216:6751 217:3186 218:1412 219:559
220:2138 221:1146 222:857 223:2508
End of report
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