[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 26 21:38:49 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 26 Jul, 2025
IPv4 BGP Table (Global) as seen at USP.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/USP/
Analysis Summary
----------------
BGP routing table entries examined: 990757
Prefixes after maximum aggregation (per Origin AS): 383645
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487796
Number of IPv4 prefixes with a valid ROA: 557662
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 432926
Total ASes present in the Internet Routing Table: 77115
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 66058
Origin ASes announcing only one prefix: 26958
Transit ASes present in the Internet Routing Table: 11057
Transit-only ASes present in the Internet Routing Table: 557
Paths with bogon ASNs present in the IPv4 Routing Table: 160
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 1263
Number of instances of unregistered ASNs: 1301
Number of 32-bit ASNs allocated by the RIRs: 46946
Number of 32-bit ASNs visible in the Routing Table: 38660
Prefixes from 32-bit ASNs in the Routing Table: 206359
Number of bogon 32-bit ASNs visible in the Routing Table: 107
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 460
Number of addresses announced to Internet: 3106988544
Equivalent to 185 /8s, 48 /16s and 226 /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: 323365
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262144
Total APNIC prefixes after maximum aggregation: 77896
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 253229
Unique aggregates announced from the APNIC address blocks: 104998
APNIC Region origin ASes present in the Internet Routing Table: 14724
APNIC Prefixes per ASN: 17.20
APNIC Region origin ASes announcing only one prefix: 4507
APNIC Region transit ASes present in the Internet Routing Table: 1979
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10267
Number of APNIC addresses announced to Internet: 749114368
Equivalent to 44 /8s, 166 /16s and 148 /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: 291194
Total ARIN prefixes after maximum aggregation: 132091
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292986
Unique aggregates announced from the ARIN address blocks: 141417
ARIN Region origin ASes present in the Internet Routing Table: 19241
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7039
ARIN Region transit ASes present in the Internet Routing Table: 1994
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5264
Number of ARIN addresses announced to Internet: 1349257472
Equivalent to 80 /8s, 108 /16s and 9 /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: 276755
Total RIPE prefixes after maximum aggregation: 136300
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275711
Unique aggregates announced from the RIPE address blocks: 177973
RIPE Region origin ASes present in the Internet Routing Table: 28953
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12051
RIPE Region transit ASes present in the Internet Routing Table: 3996
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12587
Number of RIPE addresses announced to Internet: 732173312
Equivalent to 43 /8s, 164 /16s and 20 /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: 124803
Total LACNIC prefixes after maximum aggregation: 29746
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 121072
Unique aggregates announced from the LACNIC address blocks: 49108
LACNIC Region origin ASes present in the Internet Routing Table: 11273
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2661
LACNIC Region transit ASes present in the Internet Routing Table: 2515
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9240
Number of LACNIC addresses announced to Internet: 171154176
Equivalent to 10 /8s, 51 /16s and 155 /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: 34598
Total AfriNIC prefixes after maximum aggregation: 6769
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 47298
Unique aggregates announced from the AfriNIC address blocks: 13918
AfriNIC Region origin ASes present in the Internet Routing Table: 1936
AfriNIC Prefixes per ASN: 24.43
AfriNIC Region origin ASes announcing only one prefix: 700
AfriNIC Region transit ASes present in the Internet Routing Table: 384
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1302
Number of AfriNIC addresses announced to Internet: 105032704
Equivalent to 6 /8s, 66 /16s and 172 /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 12058 8761 115 CHINAMOBILE-CN China Mobile Communication
7545 6137 840 617 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4502 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3279 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2911 864 509 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2814 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2180 429 190 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13684 40974 5278 AMAZON-02, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3464 8771 862 COGENT-174, US
22773 3342 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3197 3856 433 GOOGLE-CLOUD-PLATFORM, US
16625 3063 1297 2223 AKAMAI-AS, US
4155 2875 218 1726 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7595 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4038 3395 127 AKAMAI-ASN1, NL
9009 3816 362 2132 M247, RO
12389 3116 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2321 164 1689 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1580 1852 14 TE-AS TE-AS, EG
203020 1523 191 672 HOSTROYALE, IN
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12319 3260 575 UNINET, MX
10620 3484 474 1024 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1369 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1188 371 22 Telefonica del Peru S.A.A., PE
22884 1069 71 371 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/USP/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1732 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1312 1489 355 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1228 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 577 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 530 56 52 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13684 40974 5278 AMAZON-02, US
8151 12319 3260 575 UNINET, MX
9808 12058 8761 115 CHINAMOBILE-CN China Mobile Communication
12479 7595 1712 148 UNI2-AS, ES
7545 6137 840 617 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4819 319 605 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4502 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 12058 11943 CHINAMOBILE-CN China Mobile Communications Grou
8151 12319 11744 UNINET, MX
12479 7595 7447 UNI2-AS, ES
7545 6137 5520 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4502 4477 FPT-AS-AP FPT Telecom Company, VN
11492 4819 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3911 AKAMAI-ASN1, NL
7552 3918 3891 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/USP/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 3356 LEVEL3, 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
Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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/USP/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/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 /14:1210 /15:2150 /16:13789 /17:8226 /18:13514
/19:24565 /20:43957 /21:51747 /22:111961 /23:102881 /24:615713
/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
12479 6543 7595 UNI2-AS, ES
8151 6537 12319 UNINET, MX
11492 3611 4819 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13684 AMAZON-02, US
30036 2284 2625 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2195 3484 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2408 2:1523 3:858 4:10 5:4760 6:163
7:6 8:1556 9:1 11:172 12:1339 13:463
14:2571 15:367 16:286 17:375 18:897 20:559
21:4 22:188 23:7773 24:2718 25:2 27:2804
29:19 31:3353 32:35 33:1 34:80 35:257
36:3836 37:4562 38:9486 39:940 40:248 41:4247
42:1995 43:2689 44:379 45:18621 46:5097 47:336
49:1880 50:2015 51:591 52:1553 54:325 55:1110
56:11 57:275 58:2175 59:1293 60:1171 61:2793
62:2979 63:1793 64:5542 65:2154 66:4738 67:3111
68:1070 69:3905 70:1042 71:629 72:2854 74:2809
75:1506 76:606 77:2777 78:1919 79:1690 80:2204
81:2058 82:3196 83:1437 84:1895 85:3485 86:1090
87:2136 88:1345 89:4407 90:777 91:8421 92:2706
93:2956 94:4069 95:4421 96:1473 97:309 98:954
99:692 100:71 101:1189 102:3894 103:32257 104:5244
105:801 106:971 107:2655 108:1268 109:4188 110:2231
111:3325 112:2281 113:1842 114:1968 115:2257 116:2066
117:2623 118:2985 119:1895 120:2159 121:1334 122:2792
123:2245 124:1656 125:2871 126:91 128:1619 129:968
130:1304 131:2056 132:772 133:450 134:1591 135:351
136:1465 137:1271 138:2834 139:1586 140:1631 141:1515
142:1914 143:1945 144:1173 145:565 146:2181 147:2096
148:2724 149:2932 150:1281 151:2221 152:2074 153:590
154:7532 155:1843 156:3082 157:1952 158:1352 159:2528
160:3596 161:1903 162:3882 163:2254 164:1868 165:2383
166:1525 167:2019 168:3979 169:787 170:5128 171:1002
172:4239 173:3395 174:917 175:1325 176:3735 177:4784
178:3931 179:2311 180:2586 181:4132 182:3530 183:2184
184:2081 185:21606 186:5251 187:4675 188:4271 189:4357
190:9562 191:1499 192:11352 193:9476 194:7773 195:5587
196:3290 197:3187 198:6126 199:8616 200:8279 201:6380
202:10389 203:10675 204:4642 205:3592 206:4525 207:3554
208:4288 209:5133 210:4660 211:2599 212:4552 213:3821
214:1021 215:48 216:6760 217:3235 218:1373 219:395
220:2144 221:1203 222:745 223:2708
End of report
More information about the ren-bgp-stats-all
mailing list