[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jun 30 21:40:06 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 30 Jun, 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: 987719
Prefixes after maximum aggregation (per Origin AS): 381878
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 484277
Number of IPv4 prefixes with a valid ROA: 552569
Number of IPv4 prefixes with an invalid ROA: 194
Number of IPv4 prefixes with no ROA: 434956
Total ASes present in the Internet Routing Table: 76981
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 65947
Origin ASes announcing only one prefix: 26897
Transit ASes present in the Internet Routing Table: 11034
Transit-only ASes present in the Internet Routing Table: 559
Paths with bogon ASNs present in the IPv4 Routing Table: 322
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: 1235
Number of instances of unregistered ASNs: 1272
Number of 32-bit ASNs allocated by the RIRs: 46719
Number of 32-bit ASNs visible in the Routing Table: 38457
Prefixes from 32-bit ASNs in the Routing Table: 204489
Number of bogon 32-bit ASNs visible in the Routing Table: 106
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 453
Number of addresses announced to Internet: 3103804160
Equivalent to 185 /8s, 0 /16s and 75 /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: 322818
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260395
Total APNIC prefixes after maximum aggregation: 77560
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251157
Unique aggregates announced from the APNIC address blocks: 104503
APNIC Region origin ASes present in the Internet Routing Table: 14642
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 4455
APNIC Region transit ASes present in the Internet Routing Table: 1965
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: 10176
Number of APNIC addresses announced to Internet: 747773696
Equivalent to 44 /8s, 146 /16s and 31 /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: 290655
Total ARIN prefixes after maximum aggregation: 131345
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292176
Unique aggregates announced from the ARIN address blocks: 139628
ARIN Region origin ASes present in the Internet Routing Table: 19227
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7033
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: 5241
Number of ARIN addresses announced to Internet: 1348768512
Equivalent to 80 /8s, 100 /16s and 147 /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: 275895
Total RIPE prefixes after maximum aggregation: 135507
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274758
Unique aggregates announced from the RIPE address blocks: 176544
RIPE Region origin ASes present in the Internet Routing Table: 28931
RIPE Prefixes per ASN: 9.50
RIPE Region origin ASes announcing only one prefix: 12043
RIPE Region transit ASes present in the Internet Routing Table: 3982
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: 12526
Number of RIPE addresses announced to Internet: 730873344
Equivalent to 43 /8s, 144 /16s and 62 /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: 124149
Total LACNIC prefixes after maximum aggregation: 29992
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 120628
Unique aggregates announced from the LACNIC address blocks: 49401
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: 2675
LACNIC Region transit ASes present in the Internet Routing Table: 2521
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9227
Number of LACNIC addresses announced to Internet: 170893824
Equivalent to 10 /8s, 47 /16s and 162 /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: 35390
Total AfriNIC prefixes after maximum aggregation: 6647
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 48546
Unique aggregates announced from the AfriNIC address blocks: 13798
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 25.22
AfriNIC Region origin ASes announcing only one prefix: 691
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: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105242624
Equivalent to 6 /8s, 69 /16s and 224 /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 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
7545 6126 839 626 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4404 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3277 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2892 857 527 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2286 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2177 434 194 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 5204 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3605 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3477 8768 863 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3192 3854 429 GOOGLE-CLOUD-PLATFORM, US
16625 3116 1308 2254 AKAMAI-AS, US
4155 2839 215 1725 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 7674 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4067 3395 127 AKAMAI-ASN1, NL
9009 3768 350 2098 M247, RO
12389 3117 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2329 169 1697 CDNEXT, GB
8452 1635 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1421 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12232 3256 576 UNINET, MX
10620 3506 481 1018 Telmex Colombia S.A., CO
13999 2539 538 355 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1206 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1054 2487 55 TIM SA, BR
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 1823 660 28 RAYA-AS, EG
24863 1621 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1062 520 44 Vodafone-, EG
36914 573 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
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 13569 40947 5204 AMAZON-02, US
8151 12232 3256 576 UNINET, MX
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7674 1713 148 UNI2-AS, ES
7545 6126 839 626 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
18403 4404 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 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 12232 11656 UNINET, MX
9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou
12479 7674 7526 UNI2-AS, ES
7545 6126 5500 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4404 4379 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4348 4036 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 3940 AKAMAI-ASN1, NL
7552 3913 3887 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 /12:299
/13:585 /14:1209 /15:2151 /16:13795 /17:8221 /18:13504
/19:24553 /20:44001 /21:51857 /22:112226 /23:102976 /24:612178
/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 6598 7674 UNI2-AS, ES
8151 6445 12232 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2735 3605 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13569 AMAZON-02, US
30036 2263 2605 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2193 3506 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)
----------------------------------------------
1:2378 2:1535 3:817 4:10 5:4702 6:161
7:6 8:1571 9:1 11:172 12:1341 13:445
14:2540 15:364 16:285 17:379 18:915 20:554
21:4 22:188 23:7681 24:2729 25:2 27:2784
29:19 31:3293 32:35 33:1 34:80 35:255
36:3190 37:4568 38:9308 39:906 40:207 41:4291
42:1930 43:2644 44:376 45:18620 46:5137 47:325
49:1925 50:1890 51:592 52:1556 54:321 55:1096
56:11 57:272 58:2208 59:1189 60:1172 61:2789
62:2926 63:1798 64:5492 65:2061 66:4711 67:3083
68:1120 69:3938 70:1111 71:630 72:2868 74:2795
75:1517 76:608 77:2773 78:1907 79:1734 80:2203
81:2071 82:3175 83:1428 84:1876 85:3463 86:1085
87:2140 88:1346 89:4392 90:777 91:8377 92:2736
93:2939 94:4029 95:4398 96:1485 97:309 98:1000
99:683 100:72 101:1409 102:3903 103:32340 104:5213
105:759 106:975 107:2674 108:1249 109:4115 110:2233
111:3238 112:2137 113:1839 114:1994 115:2207 116:2066
117:2587 118:2928 119:1907 120:2085 121:1380 122:2791
123:2223 124:1607 125:2870 126:91 128:1612 129:953
130:1298 131:2048 132:780 133:451 134:1558 135:348
136:1348 137:1258 138:2814 139:1599 140:1623 141:1513
142:1914 143:1946 144:1163 145:560 146:2178 147:2107
148:2708 149:2931 150:1268 151:2104 152:2087 153:590
154:7780 155:1757 156:3136 157:1924 158:1329 159:2507
160:3608 161:1858 162:3889 163:2233 164:1862 165:2037
166:1508 167:1992 168:3964 169:789 170:5124 171:1010
172:4471 173:3355 174:921 175:1322 176:3707 177:4705
178:3895 179:2309 180:2638 181:4104 182:3477 183:2094
184:2127 185:21630 186:5174 187:4571 188:4258 189:4306
190:9585 191:1486 192:11315 193:9481 194:7816 195:5539
196:3319 197:3250 198:6100 199:8525 200:8215 201:6377
202:10354 203:10639 204:4571 205:3608 206:4469 207:3544
208:4277 209:5117 210:4620 211:2539 212:4566 213:3775
214:1013 215:46 216:6771 217:3203 218:1362 219:391
220:2130 221:1158 222:725 223:2516
End of report
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