[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 8 21:40:09 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 08 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: 984498
Prefixes after maximum aggregation (per Origin AS): 381851
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 484741
Number of IPv4 prefixes with a valid ROA: 553949
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 430370
Total ASes present in the Internet Routing Table: 77003
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65963
Origin ASes announcing only one prefix: 26902
Transit ASes present in the Internet Routing Table: 11040
Transit-only ASes present in the Internet Routing Table: 557
Paths with bogon ASNs present in the IPv4 Routing Table: 316
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 79
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1186
Number of instances of unregistered ASNs: 1222
Number of 32-bit ASNs allocated by the RIRs: 46788
Number of 32-bit ASNs visible in the Routing Table: 38492
Prefixes from 32-bit ASNs in the Routing Table: 204645
Number of bogon 32-bit ASNs visible in the Routing Table: 103
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 421
Number of addresses announced to Internet: 3103527680
Equivalent to 184 /8s, 252 /16s and 19 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 322227
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260630
Total APNIC prefixes after maximum aggregation: 77522
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251490
Unique aggregates announced from the APNIC address blocks: 104635
APNIC Region origin ASes present in the Internet Routing Table: 14678
APNIC Prefixes per ASN: 17.13
APNIC Region origin ASes announcing only one prefix: 4468
APNIC Region transit ASes present in the Internet Routing Table: 1975
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 79
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10209
Number of APNIC addresses announced to Internet: 748813312
Equivalent to 44 /8s, 161 /16s and 252 /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: 290899
Total ARIN prefixes after maximum aggregation: 131647
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292574
Unique aggregates announced from the ARIN address blocks: 140355
ARIN Region origin ASes present in the Internet Routing Table: 19233
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7034
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: 5244
Number of ARIN addresses announced to Internet: 1348616960
Equivalent to 80 /8s, 98 /16s and 67 /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: 275982
Total RIPE prefixes after maximum aggregation: 135604
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274897
Unique aggregates announced from the RIPE address blocks: 176621
RIPE Region origin ASes present in the Internet Routing Table: 28922
RIPE Prefixes per ASN: 9.50
RIPE Region origin ASes announcing only one prefix: 12033
RIPE Region transit ASes present in the Internet Routing Table: 3986
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 50
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12521
Number of RIPE addresses announced to Internet: 730977024
Equivalent to 43 /8s, 145 /16s and 211 /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: 124255
Total LACNIC prefixes after maximum aggregation: 29676
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120622
Unique aggregates announced from the LACNIC address blocks: 49035
LACNIC Region origin ASes present in the Internet Routing Table: 11276
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2667
LACNIC Region transit ASes present in the Internet Routing Table: 2521
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9228
Number of LACNIC addresses announced to Internet: 171191552
Equivalent to 10 /8s, 52 /16s and 45 /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: 31546
Total AfriNIC prefixes after maximum aggregation: 6597
AfriNIC Deaggregation factor: 4.78
Prefixes being announced from the AfriNIC address blocks: 44493
Unique aggregates announced from the AfriNIC address blocks: 13717
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 23.11
AfriNIC Region origin ASes announcing only one prefix: 700
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: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 103691008
Equivalent to 6 /8s, 46 /16s and 51 /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 11743 8759 114 CHINAMOBILE-CN China Mobile Communication
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4450 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3925 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2899 862 526 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2581 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2182 434 193 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 13530 40954 5225 AMAZON-02, US
11492 4787 317 605 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3604 3039 210 ASN-CXA-ALL-CCI-22773-RDC, US
174 3479 8771 863 COGENT-174, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3115 1308 2251 AKAMAI-AS, US
4155 2839 215 1734 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 7666 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4073 3395 127 AKAMAI-ASN1, NL
9009 3787 360 2112 M247, RO
12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2351 168 1719 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1574 1852 14 TE-AS TE-AS, EG
62240 1421 95 756 CLOUVIDER Clouvider - Global ASN, GB
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 12274 3255 575 UNINET, MX
10620 3509 481 1020 Telmex Colombia S.A., CO
13999 2541 538 355 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 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 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
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36935 777 522 45 Vodafone-, EG
36992 725 1405 195 ETISALAT-MISR, EG
24835 698 633 33 RAYA-AS, EG
37069 594 866 19 MOBINIL, EG
36914 572 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
24863 537 388 19 LINKdotNET-AS, EG
15399 531 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 13530 40954 5225 AMAZON-02, US
8151 12274 3255 575 UNINET, MX
9808 11743 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7666 1713 148 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4787 317 605 CABLEONE, US
18403 4450 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4073 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
8151 12274 11699 UNINET, MX
9808 11743 11629 CHINAMOBILE-CN China Mobile Communications Grou
12479 7666 7518 UNI2-AS, ES
7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4450 4425 FPT-AS-AP FPT Telecom Company, VN
11492 4787 4182 CABLEONE, US
9498 4358 4046 BBIL-AP BHARTI Airtel Ltd., IN
20940 4073 3946 AKAMAI-ASN1, NL
7552 3925 3898 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
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
395195 UNALLOCATED 8.38.115.0/24 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: 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /12:297
/13:580 /14:1202 /15:2147 /16:13752 /17:8232 /18:13445
/19:24456 /20:43325 /21:51614 /22:110460 /23:102713 /24:612111
/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 6590 7666 UNI2-AS, ES
8151 6496 12274 UNINET, MX
11492 3581 4787 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2733 3604 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2321 13530 AMAZON-02, US
30036 2270 2612 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3509 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)
----------------------------------------------
1:2394 2:1529 3:819 4:10 5:4735 6:162
7:6 8:1558 9:1 11:172 12:1343 13:449
14:2551 15:363 16:285 17:381 18:894 20:555
21:4 22:188 23:7746 24:2729 25:2 27:2796
29:19 31:3325 32:35 33:1 34:80 35:256
36:3487 37:4576 38:9380 39:908 40:236 41:3985
42:1938 43:2666 44:374 45:18517 46:5099 47:331
49:1883 50:1892 51:588 52:1549 54:320 55:1104
56:11 57:273 58:2188 59:1187 60:1174 61:2791
62:2849 63:1797 64:5530 65:2062 66:4722 67:3092
68:1121 69:3954 70:1107 71:628 72:2870 74:2791
75:1514 76:607 77:2760 78:1915 79:1718 80:2190
81:2071 82:3160 83:1438 84:1825 85:3464 86:1083
87:2145 88:1346 89:4404 90:776 91:8411 92:2746
93:2939 94:4050 95:4412 96:1492 97:310 98:1001
99:693 100:72 101:1184 102:3890 103:32250 104:5218
105:745 106:975 107:2661 108:1253 109:4141 110:2238
111:3253 112:2218 113:1839 114:1961 115:2207 116:2057
117:2592 118:2989 119:1911 120:2113 121:1330 122:2791
123:2227 124:1615 125:2877 126:91 128:1604 129:962
130:1293 131:2045 132:780 133:450 134:1578 135:349
136:1386 137:1264 138:2816 139:1595 140:1628 141:1505
142:1897 143:1951 144:1162 145:558 146:2178 147:2100
148:2712 149:2936 150:1227 151:2210 152:2072 153:590
154:7668 155:1775 156:3186 157:1934 158:1341 159:2510
160:3614 161:1855 162:3880 163:2239 164:1866 165:2062
166:1504 167:2008 168:3980 169:785 170:5112 171:1005
172:4459 173:3359 174:928 175:1323 176:3705 177:4710
178:3920 179:2312 180:2601 181:4130 182:3494 183:2123
184:2130 185:21550 186:5186 187:4598 188:4261 189:4318
190:9575 191:1462 192:11320 193:9473 194:7762 195:5551
196:3260 197:3131 198:6103 199:8532 200:8207 201:6364
202:10341 203:10660 204:4569 205:3619 206:4512 207:3536
208:4290 209:5107 210:4618 211:2562 212:4561 213:3788
214:1024 215:46 216:6787 217:3155 218:1361 219:392
220:2143 221:1178 222:714 223:2593
End of report
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