[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 28 21:38:41 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 28 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: 990792
Prefixes after maximum aggregation (per Origin AS): 383717
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487762
Number of IPv4 prefixes with a valid ROA: 557826
Number of IPv4 prefixes with an invalid ROA: 197
Number of IPv4 prefixes with no ROA: 432769
Total ASes present in the Internet Routing Table: 77115
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 66048
Origin ASes announcing only one prefix: 26955
Transit ASes present in the Internet Routing Table: 11067
Transit-only ASes present in the Internet Routing Table: 561
Paths with bogon ASNs present in the IPv4 Routing Table: 161
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: 1246
Number of instances of unregistered ASNs: 1285
Number of 32-bit ASNs allocated by the RIRs: 46959
Number of 32-bit ASNs visible in the Routing Table: 38656
Prefixes from 32-bit ASNs in the Routing Table: 206352
Number of bogon 32-bit ASNs visible in the Routing Table: 109
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 459
Number of addresses announced to Internet: 3107066112
Equivalent to 185 /8s, 50 /16s and 17 /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: 323376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262047
Total APNIC prefixes after maximum aggregation: 77854
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 253283
Unique aggregates announced from the APNIC address blocks: 104965
APNIC Region origin ASes present in the Internet Routing Table: 14712
APNIC Prefixes per ASN: 17.22
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: 10256
Number of APNIC addresses announced to Internet: 749083648
Equivalent to 44 /8s, 166 /16s and 28 /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: 291381
Total ARIN prefixes after maximum aggregation: 132136
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292969
Unique aggregates announced from the ARIN address blocks: 141366
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7038
ARIN Region transit ASes present in the Internet Routing Table: 1993
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: 5263
Number of ARIN addresses announced to Internet: 1349271808
Equivalent to 80 /8s, 108 /16s and 65 /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: 276617
Total RIPE prefixes after maximum aggregation: 136333
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275586
Unique aggregates announced from the RIPE address blocks: 178006
RIPE Region origin ASes present in the Internet Routing Table: 28958
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12057
RIPE Region transit ASes present in the Internet Routing Table: 4007
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12591
Number of RIPE addresses announced to Internet: 732195840
Equivalent to 43 /8s, 164 /16s and 108 /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: 124938
Total LACNIC prefixes after maximum aggregation: 29753
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 121213
Unique aggregates announced from the LACNIC address blocks: 49121
LACNIC Region origin ASes present in the Internet Routing Table: 11271
LACNIC Prefixes per ASN: 10.75
LACNIC Region origin ASes announcing only one prefix: 2662
LACNIC Region transit ASes present in the Internet Routing Table: 2522
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: 9240
Number of LACNIC addresses announced to Internet: 171155712
Equivalent to 10 /8s, 51 /16s and 161 /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: 34563
Total AfriNIC prefixes after maximum aggregation: 6803
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 47281
Unique aggregates announced from the AfriNIC address blocks: 13923
AfriNIC Region origin ASes present in the Internet Routing Table: 1942
AfriNIC Prefixes per ASN: 24.35
AfriNIC Region origin ASes announcing only one prefix: 706
AfriNIC Region transit ASes present in the Internet Routing Table: 381
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: 1306
Number of AfriNIC addresses announced to Internet: 105102848
Equivalent to 6 /8s, 67 /16s and 190 /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 12064 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6136 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4527 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 3685 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3281 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
45090 2172 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13665 40973 5274 AMAZON-02, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3465 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 3198 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3061 1297 2227 AKAMAI-AS, US
4155 2881 218 1730 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 7589 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4033 3395 127 AKAMAI-ASN1, NL
9009 3829 363 2144 M247, RO
12389 3116 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2315 164 1683 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 12319 3260 575 UNINET, MX
10620 3483 474 1028 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 1371 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1208 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 1022 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 1605 102 51 ORANGE-COTE-IVOIRE, CI
36992 1316 1490 358 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1225 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 866 520 43 Vodafone-, EG
36914 580 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 13665 40973 5274 AMAZON-02, US
8151 12319 3260 575 UNINET, MX
9808 12064 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7589 1712 148 UNI2-AS, ES
7545 6136 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4819 319 605 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4527 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4033 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 12064 11948 CHINAMOBILE-CN China Mobile Communications Grou
8151 12319 11744 UNINET, MX
12479 7589 7441 UNI2-AS, ES
7545 6136 5512 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4527 4502 FPT-AS-AP FPT Telecom Company, VN
11492 4819 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4033 3906 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
/13:581 /14:1210 /15:2150 /16:13791 /17:8229 /18:13511
/19:24553 /20:43922 /21:51700 /22:111948 /23:102866 /24:615869
/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 6539 7589 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 2339 13665 AMAZON-02, US
30036 2284 2625 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2195 3483 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 2:1526 3:852 4:10 5:4749 6:163
7:6 8:1549 9:1 11:172 12:1339 13:464
14:2571 15:367 16:286 17:375 18:897 20:560
21:4 22:188 23:7769 24:2723 25:2 27:2805
29:19 31:3342 32:35 33:1 34:80 35:257
36:3834 37:4555 38:9482 39:941 40:247 41:4251
42:2019 43:2687 44:380 45:18605 46:5100 47:336
49:1879 50:2014 51:591 52:1554 54:325 55:1112
56:11 57:275 58:2175 59:1293 60:1171 61:2794
62:2987 63:1791 64:5540 65:2152 66:4744 67:3111
68:1070 69:3904 70:1041 71:630 72:2854 74:2810
75:1507 76:606 77:2775 78:1919 79:1692 80:2206
81:2056 82:3187 83:1440 84:1892 85:3486 86:1087
87:2134 88:1343 89:4415 90:776 91:8420 92:2706
93:2955 94:4065 95:4423 96:1472 97:310 98:954
99:690 100:71 101:1189 102:3890 103:32254 104:5232
105:805 106:972 107:2654 108:1265 109:4178 110:2232
111:3324 112:2282 113:1843 114:1963 115:2239 116:2071
117:2622 118:2985 119:1897 120:2161 121:1334 122:2789
123:2246 124:1657 125:2868 126:91 128:1621 129:970
130:1307 131:2060 132:782 133:450 134:1593 135:351
136:1455 137:1266 138:2832 139:1591 140:1632 141:1514
142:1911 143:1956 144:1174 145:565 146:2182 147:2098
148:2725 149:2931 150:1280 151:2239 152:2075 153:590
154:7573 155:1844 156:3079 157:1952 158:1353 159:2531
160:3596 161:1902 162:3882 163:2252 164:1873 165:2392
166:1529 167:2016 168:3980 169:783 170:5121 171:999
172:4244 173:3395 174:918 175:1325 176:3734 177:4824
178:3934 179:2317 180:2587 181:4125 182:3529 183:2184
184:2080 185:21620 186:5262 187:4690 188:4265 189:4361
190:9551 191:1520 192:11339 193:9479 194:7769 195:5585
196:3252 197:3188 198:6125 199:8608 200:8318 201:6397
202:10379 203:10679 204:4642 205:3615 206:4537 207:3547
208:4276 209:5135 210:4700 211:2604 212:4548 213:3819
214:1026 215:48 216:6767 217:3235 218:1374 219:396
220:2144 221:1203 222:745 223:2703
End of report
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