[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 7 21:40:06 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 07 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: 983928
Prefixes after maximum aggregation (per Origin AS): 381977
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 484984
Number of IPv4 prefixes with a valid ROA: 554073
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 429676
Total ASes present in the Internet Routing Table: 76990
Prefixes per ASN: 12.78
Origin-only ASes present in the Internet Routing Table: 65951
Origin ASes announcing only one prefix: 26905
Transit ASes present in the Internet Routing Table: 11039
Transit-only ASes present in the Internet Routing Table: 556
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: 1201
Number of instances of unregistered ASNs: 1237
Number of 32-bit ASNs allocated by the RIRs: 46782
Number of 32-bit ASNs visible in the Routing Table: 38475
Prefixes from 32-bit ASNs in the Routing Table: 204729
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: 3102903296
Equivalent to 184 /8s, 242 /16s and 140 /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: 322181
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260237
Total APNIC prefixes after maximum aggregation: 77487
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251102
Unique aggregates announced from the APNIC address blocks: 104599
APNIC Region origin ASes present in the Internet Routing Table: 14666
APNIC Prefixes per ASN: 17.12
APNIC Region origin ASes announcing only one prefix: 4467
APNIC Region transit ASes present in the Internet Routing Table: 1971
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: 10198
Number of APNIC addresses announced to Internet: 748800000
Equivalent to 44 /8s, 161 /16s and 200 /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: 291032
Total ARIN prefixes after maximum aggregation: 131712
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292576
Unique aggregates announced from the ARIN address blocks: 140419
ARIN Region origin ASes present in the Internet Routing Table: 19235
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7040
ARIN Region transit ASes present in the Internet Routing Table: 1991
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: 5243
Number of ARIN addresses announced to Internet: 1348626944
Equivalent to 80 /8s, 98 /16s and 106 /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: 275890
Total RIPE prefixes after maximum aggregation: 135597
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 274899
Unique aggregates announced from the RIPE address blocks: 176667
RIPE Region origin ASes present in the Internet Routing Table: 28923
RIPE Prefixes per ASN: 9.50
RIPE Region origin ASes announcing only one prefix: 12032
RIPE Region transit ASes present in the Internet Routing Table: 3991
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12521
Number of RIPE addresses announced to Internet: 730841856
Equivalent to 43 /8s, 143 /16s and 195 /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: 124238
Total LACNIC prefixes after maximum aggregation: 29692
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120616
Unique aggregates announced from the LACNIC address blocks: 49061
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: 2672
LACNIC Region transit ASes present in the Internet Routing Table: 2520
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: 9231
Number of LACNIC addresses announced to Internet: 171199232
Equivalent to 10 /8s, 52 /16s and 75 /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: 31330
Total AfriNIC prefixes after maximum aggregation: 6679
AfriNIC Deaggregation factor: 4.69
Prefixes being announced from the AfriNIC address blocks: 44313
Unique aggregates announced from the AfriNIC address blocks: 13867
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 23.10
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 1282
Number of AfriNIC addresses announced to Internet: 103191296
Equivalent to 6 /8s, 38 /16s and 147 /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 11563 8759 114 CHINAMOBILE-CN China Mobile Communication
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 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 2425 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2181 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 13569 40947 5226 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3603 3039 210 ASN-CXA-ALL-CCI-22773-RDC, US
174 3465 8771 859 COGENT-174, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3109 1304 2250 AKAMAI-AS, US
4155 2841 216 1729 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 7670 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4076 3395 127 AKAMAI-ASN1, NL
9009 3792 360 2117 M247, RO
12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2354 168 1722 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1527 1852 14 TE-AS TE-AS, EG
62240 1420 94 755 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 12266 3255 572 UNINET, MX
10620 3509 481 1020 Telmex Colombia S.A., CO
13999 2540 538 356 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1368 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 1187 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 1248 553 97 MT-MPLS, MA
36935 720 522 45 Vodafone-, EG
36992 714 1405 192 ETISALAT-MISR, EG
24835 640 633 33 RAYA-AS, EG
37069 594 862 20 MOBINIL, EG
36914 573 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 531 56 54 WANANCHI-, KE
3741 521 661 318 IS, ZA
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 13569 40947 5226 AMAZON-02, US
8151 12266 3255 572 UNINET, MX
9808 11563 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7670 1713 148 UNI2-AS, ES
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4358 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4076 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 12266 11694 UNINET, MX
9808 11563 11449 CHINAMOBILE-CN China Mobile Communications Grou
12479 7670 7522 UNI2-AS, ES
7545 6147 5524 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4420 4395 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4358 4046 BBIL-AP BHARTI Airtel Ltd., IN
20940 4076 3949 AKAMAI-ASN1, NL
7552 3924 3897 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 /15:2148 /16:13748 /17:8221 /18:13437
/19:24447 /20:43280 /21:51601 /22:110303 /23:102719 /24:611781
/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 6593 7670 UNI2-AS, ES
8151 6489 12266 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2732 3603 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2324 13569 AMAZON-02, US
30036 2268 2610 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 2:1527 3:827 4:10 5:4755 6:162
7:6 8:1558 9:1 11:172 12:1344 13:451
14:2551 15:364 16:285 17:381 18:894 20:555
21:4 22:188 23:7749 24:2729 25:2 27:2790
29:19 31:3313 32:35 33:1 34:80 35:256
36:3275 37:4572 38:9375 39:907 40:236 41:3973
42:1924 43:2657 44:375 45:18519 46:5101 47:325
49:1882 50:1894 51:588 52:1554 54:321 55:1098
56:11 57:272 58:2187 59:1187 60:1174 61:2792
62:2847 63:1797 64:5528 65:2058 66:4717 67:3091
68:1122 69:3957 70:1114 71:628 72:2872 74:2792
75:1515 76:607 77:2773 78:1910 79:1713 80:2192
81:2071 82:3176 83:1454 84:1824 85:3464 86:1083
87:2145 88:1347 89:4410 90:776 91:8414 92:2747
93:2943 94:4032 95:4412 96:1493 97:310 98:1001
99:691 100:72 101:1184 102:3867 103:32272 104:5224
105:743 106:977 107:2664 108:1267 109:4135 110:2235
111:3254 112:2183 113:1841 114:1960 115:2204 116:2058
117:2594 118:2986 119:1908 120:2100 121:1329 122:2791
123:2227 124:1614 125:2877 126:91 128:1604 129:959
130:1292 131:2054 132:779 133:449 134:1576 135:349
136:1385 137:1266 138:2804 139:1599 140:1633 141:1507
142:1898 143:1954 144:1162 145:558 146:2180 147:2100
148:2710 149:2940 150:1263 151:2197 152:2088 153:591
154:7708 155:1775 156:3203 157:1932 158:1342 159:2509
160:3612 161:1851 162:3875 163:2224 164:1866 165:2055
166:1509 167:2008 168:3968 169:784 170:5109 171:1005
172:4456 173:3362 174:928 175:1322 176:3702 177:4713
178:3915 179:2307 180:2600 181:4094 182:3493 183:2105
184:2128 185:21538 186:5183 187:4613 188:4263 189:4316
190:9575 191:1462 192:11325 193:9472 194:7763 195:5549
196:3262 197:3124 198:6109 199:8535 200:8210 201:6393
202:10349 203:10664 204:4572 205:3610 206:4507 207:3536
208:4282 209:5104 210:4617 211:2553 212:4560 213:3788
214:1013 215:46 216:6786 217:3152 218:1362 219:392
220:2142 221:1153 222:713 223:2546
End of report
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