[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 27 21:38:54 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 27 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: 990611
Prefixes after maximum aggregation (per Origin AS): 383719
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487746
Number of IPv4 prefixes with a valid ROA: 557471
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 432971
Total ASes present in the Internet Routing Table: 77101
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 66042
Origin ASes announcing only one prefix: 26944
Transit ASes present in the Internet Routing Table: 11059
Transit-only ASes present in the Internet Routing Table: 556
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: 1264
Number of instances of unregistered ASNs: 1302
Number of 32-bit ASNs allocated by the RIRs: 46959
Number of 32-bit ASNs visible in the Routing Table: 38642
Prefixes from 32-bit ASNs in the Routing Table: 206329
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: 3107099392
Equivalent to 185 /8s, 50 /16s and 147 /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: 323297
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262126
Total APNIC prefixes after maximum aggregation: 77890
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 253205
Unique aggregates announced from the APNIC address blocks: 105012
APNIC Region origin ASes present in the Internet Routing Table: 14713
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 4492
APNIC Region transit ASes present in the Internet Routing Table: 1973
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: 10257
Number of APNIC addresses announced to Internet: 749112320
Equivalent to 44 /8s, 166 /16s and 140 /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: 291163
Total ARIN prefixes after maximum aggregation: 132172
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292928
Unique aggregates announced from the ARIN address blocks: 141346
ARIN Region origin ASes present in the Internet Routing Table: 19243
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7039
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5265
Number of ARIN addresses announced to Internet: 1349304064
Equivalent to 80 /8s, 108 /16s and 191 /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: 276570
Total RIPE prefixes after maximum aggregation: 136294
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275551
Unique aggregates announced from the RIPE address blocks: 177957
RIPE Region origin ASes present in the Internet Routing Table: 28947
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: 4000
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: 12578
Number of RIPE addresses announced to Internet: 732160256
Equivalent to 43 /8s, 163 /16s and 225 /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: 124876
Total LACNIC prefixes after maximum aggregation: 29756
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 121176
Unique aggregates announced from the LACNIC address blocks: 49131
LACNIC Region origin ASes present in the Internet Routing Table: 11276
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2661
LACNIC Region transit ASes present in the Internet Routing Table: 2518
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9241
Number of LACNIC addresses announced to Internet: 171161856
Equivalent to 10 /8s, 51 /16s and 185 /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: 34612
Total AfriNIC prefixes after maximum aggregation: 6764
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 47290
Unique aggregates announced from the AfriNIC address blocks: 13918
AfriNIC Region origin ASes present in the Internet Routing Table: 1935
AfriNIC Prefixes per ASN: 24.44
AfriNIC Region origin ASes announcing only one prefix: 701
AfriNIC Region transit ASes present in the Internet Routing Table: 383
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: 1301
Number of AfriNIC addresses announced to Internet: 105104384
Equivalent to 6 /8s, 67 /16s and 196 /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 12059 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6139 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4512 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3910 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 2179 429 189 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 13679 40974 5277 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 2872 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 4036 3395 127 AKAMAI-ASN1, NL
9009 3817 362 2133 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 1579 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 12318 3260 574 UNINET, MX
10620 3485 474 1025 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 1372 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 1709 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1315 1490 358 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1228 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 848 520 43 Vodafone-, EG
36914 575 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 532 56 54 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 13679 40974 5277 AMAZON-02, US
8151 12318 3260 574 UNINET, MX
9808 12059 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7595 1712 148 UNI2-AS, ES
7545 6139 840 619 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4819 319 605 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4512 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4036 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 12059 11943 CHINAMOBILE-CN China Mobile Communications Grou
8151 12318 11744 UNINET, MX
12479 7595 7447 UNI2-AS, ES
7545 6139 5520 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4512 4487 FPT-AS-AP FPT Telecom Company, VN
11492 4819 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4036 3909 AKAMAI-ASN1, NL
7552 3910 3883 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 /16:13791 /17:8229 /18:13514
/19:24553 /20:43944 /21:51725 /22:111928 /23:102852 /24:615671
/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 12318 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 13679 AMAZON-02, US
30036 2266 2607 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3485 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)
----------------------------------------------
1:2407 2:1519 3:857 4:10 5:4745 6:163
7:6 8:1556 9:1 11:172 12:1340 13:463
14:2571 15:367 16:286 17:375 18:897 20:559
21:4 22:188 23:7767 24:2721 25:2 27:2805
29:19 31:3348 32:35 33:1 34:80 35:257
36:3836 37:4567 38:9497 39:941 40:247 41:4243
42:2004 43:2689 44:377 45:18602 46:5100 47:336
49:1880 50:2006 51:591 52:1553 54:325 55:1110
56:11 57:275 58:2175 59:1293 60:1171 61:2793
62:2985 63:1793 64:5543 65:2154 66:4740 67:3109
68:1069 69:3904 70:1042 71:629 72:2853 74:2809
75:1506 76:606 77:2777 78:1919 79:1690 80:2206
81:2056 82:3178 83:1439 84:1895 85:3483 86:1089
87:2135 88:1345 89:4394 90:777 91:8419 92:2705
93:2957 94:4064 95:4421 96:1473 97:310 98:954
99:693 100:71 101:1189 102:3907 103:32251 104:5243
105:803 106:973 107:2655 108:1265 109:4186 110:2231
111:3325 112:2281 113:1841 114:1968 115:2258 116:2066
117:2623 118:2985 119:1896 120:2160 121:1334 122:2793
123:2245 124:1655 125:2871 126:91 128:1623 129:968
130:1304 131:2060 132:773 133:450 134:1594 135:351
136:1465 137:1271 138:2831 139:1586 140:1627 141:1507
142:1913 143:1945 144:1173 145:565 146:2182 147:2096
148:2726 149:2932 150:1282 151:2212 152:2075 153:590
154:7520 155:1842 156:3077 157:1948 158:1350 159:2529
160:3596 161:1902 162:3883 163:2253 164:1874 165:2391
166:1525 167:2018 168:3986 169:783 170:5124 171:1002
172:4241 173:3385 174:916 175:1325 176:3734 177:4788
178:3935 179:2309 180:2579 181:4130 182:3530 183:2183
184:2082 185:21606 186:5265 187:4685 188:4267 189:4356
190:9563 191:1499 192:11347 193:9476 194:7767 195:5586
196:3292 197:3186 198:6128 199:8612 200:8315 201:6404
202:10392 203:10669 204:4644 205:3583 206:4525 207:3554
208:4286 209:5134 210:4661 211:2599 212:4548 213:3820
214:1021 215:48 216:6759 217:3235 218:1373 219:395
220:2144 221:1203 222:745 223:2708
End of report
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