[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RENU (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 22 18:44:04 UTC 2025
IPv4 R&E Routing Table Report 18:40 GMT Tue 22 Jul, 2025
IPv4 BGP Table (Global) as seen at RENU.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/RENU/
Analysis Summary
----------------
BGP routing table entries examined: 1007657
Prefixes after maximum aggregation (per Origin AS): 383372
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 487153
Number of IPv4 prefixes with a valid ROA: 567498
Number of IPv4 prefixes with an invalid ROA: 442
Number of IPv4 prefixes with no ROA: 439717
Total ASes present in the Internet Routing Table: 77049
Prefixes per ASN: 13.08
Origin-only ASes present in the Internet Routing Table: 65992
Origin ASes announcing only one prefix: 26577
Transit ASes present in the Internet Routing Table: 11057
Transit-only ASes present in the Internet Routing Table: 554
Paths with bogon ASNs present in the IPv4 Routing Table: 43
Average AS path length visible in the Internet Routing Table: 5.1
Max AS path length visible: 57
Max AS path prepend of ASN ( 37447) 54
Prefixes from unregistered ASNs in the Routing Table: 1175
Number of instances of unregistered ASNs: 1221
Number of 32-bit ASNs allocated by the RIRs: 46908
Number of 32-bit ASNs visible in the Routing Table: 38631
Prefixes from 32-bit ASNs in the Routing Table: 212482
Number of bogon 32-bit ASNs visible in the Routing Table: 119
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 464
Number of addresses announced to Internet: 3107588608
Equivalent to 185 /8s, 58 /16s and 10 /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: 331330
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 263682
Total APNIC prefixes after maximum aggregation: 77685
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 254533
Unique aggregates announced from the APNIC address blocks: 104993
APNIC Region origin ASes present in the Internet Routing Table: 14688
APNIC Prefixes per ASN: 17.33
APNIC Region origin ASes announcing only one prefix: 4483
APNIC Region transit ASes present in the Internet Routing Table: 1966
Average APNIC Region AS path length visible: 5.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10247
Number of APNIC addresses announced to Internet: 749444864
Equivalent to 44 /8s, 171 /16s and 159 /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: 294658
Total ARIN prefixes after maximum aggregation: 132049
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 296638
Unique aggregates announced from the ARIN address blocks: 141181
ARIN Region origin ASes present in the Internet Routing Table: 19221
ARIN Prefixes per ASN: 15.43
ARIN Region origin ASes announcing only one prefix: 7040
ARIN Region transit ASes present in the Internet Routing Table: 1982
Average ARIN Region AS path length visible: 4.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5258
Number of ARIN addresses announced to Internet: 1349440000
Equivalent to 80 /8s, 110 /16s and 210 /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: 279558
Total RIPE prefixes after maximum aggregation: 136137
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 278217
Unique aggregates announced from the RIPE address blocks: 177518
RIPE Region origin ASes present in the Internet Routing Table: 28999
RIPE Prefixes per ASN: 9.59
RIPE Region origin ASes announcing only one prefix: 12056
RIPE Region transit ASes present in the Internet Routing Table: 3987
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 33
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12600
Number of RIPE addresses announced to Internet: 732236800
Equivalent to 43 /8s, 165 /16s and 12 /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: 131478
Total LACNIC prefixes after maximum aggregation: 29775
LACNIC Deaggregation factor: 4.42
Prefixes being announced from the LACNIC address blocks: 127688
Unique aggregates announced from the LACNIC address blocks: 49068
LACNIC Region origin ASes present in the Internet Routing Table: 11259
LACNIC Prefixes per ASN: 11.34
LACNIC Region origin ASes announcing only one prefix: 2332
LACNIC Region transit ASes present in the Internet Routing Table: 2551
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 56
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9223
Number of LACNIC addresses announced to Internet: 171086080
Equivalent to 10 /8s, 50 /16s and 145 /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: 37106
Total AfriNIC prefixes after maximum aggregation: 6959
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 50117
Unique aggregates announced from the AfriNIC address blocks: 14005
AfriNIC Region origin ASes present in the Internet Routing Table: 1938
AfriNIC Prefixes per ASN: 25.86
AfriNIC Region origin ASes announcing only one prefix: 666
AfriNIC Region transit ASes present in the Internet Routing Table: 382
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 57
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1303
Number of AfriNIC addresses announced to Internet: 105128448
Equivalent to 6 /8s, 68 /16s and 34 /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 11982 8759 112 CHINAMOBILE-CN China Mobile Communication
7545 6148 840 616 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4478 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3703 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3298 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2909 863 510 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2736 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2184 434 195 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13680 40975 5283 AMAZON-02, US
174 5296 8771 859 COGENT-174, US
11492 4813 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3634 1320 82 SHAW, CA
22773 3339 3031 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3197 3856 433 GOOGLE-CLOUD-PLATFORM, US
16625 3030 1282 2216 AKAMAI-AS, US
4155 2875 218 1729 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7592 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4009 3395 128 AKAMAI-ASN1, NL
9009 3791 361 2108 M247, RO
12389 3120 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 583 TELLCOM-AS, TR
212238 2320 164 1688 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1592 1852 14 TE-AS TE-AS, EG
203020 1476 163 649 HOSTROYALE, IN
Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12352 3259 574 UNINET, MX
10620 3485 474 1028 Telmex Colombia S.A., CO
13999 2527 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1345 787 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1195 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1070 68 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1020 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1728 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1304 1488 358 ETISALAT-MISR, EG
20011 1298 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24863 1227 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 580 82 3 KENET-AS, KE
3741 563 661 320 IS, ZA
Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13680 40975 5283 AMAZON-02, US
8151 12352 3259 574 UNINET, MX
9808 11982 8759 112 CHINAMOBILE-CN China Mobile Communication
12479 7592 1712 148 UNI2-AS, ES
7545 6148 840 616 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5296 8771 859 COGENT-174, US
11492 4813 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4478 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 11982 11870 CHINAMOBILE-CN China Mobile Communications Grou
8151 12352 11778 UNINET, MX
12479 7592 7444 UNI2-AS, ES
7545 6148 5532 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4478 4453 FPT-AS-AP FPT Telecom Company, VN
174 5296 4437 COGENT-174, US
11492 4813 4202 CABLEONE, US
9498 4463 4152 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 3892 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/RENU/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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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 6461 ZAYO-6461, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/RENU/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://bgp.nsrc.org/REN/RENU/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: 21859 ZEN-ECN, 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/RENU/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 /12:298
/13:582 /14:1215 /15:2171 /16:13860 /17:8288 /18:13679
/19:24725 /20:44570 /21:52529 /22:113125 /23:106930 /24:625522
/25:0 /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
8151 6540 12352 UNINET, MX
12479 6536 7592 UNI2-AS, ES
11492 3606 4813 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3432 3634 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2492 3339 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2358 13680 AMAZON-02, US
30036 2270 2611 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3485 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2416 2:1522 3:854 4:10 5:5027 6:163
7:6 8:1574 9:1 11:172 12:1336 13:463
14:2575 15:366 16:286 17:378 18:897 20:565
21:4 22:188 23:7759 24:2817 25:2 27:2815
29:19 31:3379 32:43 33:1 34:84 35:257
36:3702 37:4589 38:10632 39:926 40:251 41:4419
42:1983 43:2701 44:380 45:19334 46:5095 47:336
49:1911 50:2014 51:592 52:1550 54:323 55:1112
56:11 57:283 58:2183 59:1337 60:1179 61:2931
62:3019 63:1808 64:5589 65:2180 66:4813 67:3147
68:1095 69:4050 70:1045 71:628 72:2947 74:2821
75:1523 76:606 77:2850 78:1905 79:1698 80:2217
81:2074 82:3186 83:1446 84:1893 85:3460 86:1087
87:2386 88:1323 89:4441 90:778 91:8499 92:2715
93:2960 94:4077 95:4422 96:1502 97:310 98:955
99:695 100:71 101:1431 102:4315 103:32336 104:5227
105:1072 106:971 107:2642 108:1270 109:4234 110:2231
111:3334 112:2259 113:1862 114:1958 115:2279 116:2109
117:2591 118:2990 119:1913 120:2166 121:1330 122:2815
123:2418 124:1666 125:2874 126:91 128:1614 129:988
130:1327 131:2120 132:773 133:450 134:1650 135:396
136:1409 137:1136 138:2973 139:1580 140:1635 141:1517
142:1934 143:2017 144:1178 145:569 146:2185 147:2110
148:2722 149:2991 150:1269 151:2229 152:2092 153:590
154:7896 155:1875 156:3115 157:1945 158:1355 159:2510
160:3693 161:1909 162:3866 163:2276 164:1898 165:2392
166:1522 167:2040 168:4149 169:792 170:5342 171:998
172:4263 173:3417 174:918 175:1323 176:3803 177:5363
178:4019 179:2488 180:2611 181:4159 182:3514 183:2243
184:2120 185:21785 186:5471 187:4904 188:4299 189:4511
190:9633 191:1593 192:11345 193:9526 194:7840 195:5671
196:3640 197:3719 198:6138 199:8627 200:8293 201:6509
202:10457 203:10745 204:4660 205:3617 206:4503 207:3530
208:4297 209:5184 210:4686 211:2593 212:4589 213:3841
214:1026 215:48 216:6797 217:3249 218:1383 219:403
220:2143 221:1194 222:739 223:2708
End of report
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