[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 29 21:40:08 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 29 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: 987673
Prefixes after maximum aggregation (per Origin AS): 381442
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 483661
Number of IPv4 prefixes with a valid ROA: 551660
Number of IPv4 prefixes with an invalid ROA: 189
Number of IPv4 prefixes with no ROA: 435824
Total ASes present in the Internet Routing Table: 76890
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 65881
Origin ASes announcing only one prefix: 26905
Transit ASes present in the Internet Routing Table: 11009
Transit-only ASes present in the Internet Routing Table: 561
Paths with bogon ASNs present in the IPv4 Routing Table: 320
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: 1234
Number of instances of unregistered ASNs: 1271
Number of 32-bit ASNs allocated by the RIRs: 46719
Number of 32-bit ASNs visible in the Routing Table: 38355
Prefixes from 32-bit ASNs in the Routing Table: 204215
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: 452
Number of addresses announced to Internet: 3103952896
Equivalent to 185 /8s, 2 /16s and 144 /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: 322931
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259972
Total APNIC prefixes after maximum aggregation: 77415
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 250727
Unique aggregates announced from the APNIC address blocks: 104196
APNIC Region origin ASes present in the Internet Routing Table: 14555
APNIC Prefixes per ASN: 17.23
APNIC Region origin ASes announcing only one prefix: 4464
APNIC Region transit ASes present in the Internet Routing Table: 1951
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: 10087
Number of APNIC addresses announced to Internet: 747638528
Equivalent to 44 /8s, 144 /16s and 15 /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: 290735
Total ARIN prefixes after maximum aggregation: 131395
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292295
Unique aggregates announced from the ARIN address blocks: 139667
ARIN Region origin ASes present in the Internet Routing Table: 19225
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: 1995
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: 5238
Number of ARIN addresses announced to Internet: 1348787456
Equivalent to 80 /8s, 100 /16s and 221 /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: 276112
Total RIPE prefixes after maximum aggregation: 135529
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274835
Unique aggregates announced from the RIPE address blocks: 176629
RIPE Region origin ASes present in the Internet Routing Table: 28933
RIPE Prefixes per ASN: 9.50
RIPE Region origin ASes announcing only one prefix: 12045
RIPE Region transit ASes present in the Internet Routing Table: 3978
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: 12520
Number of RIPE addresses announced to Internet: 730845184
Equivalent to 43 /8s, 143 /16s and 208 /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: 124283
Total LACNIC prefixes after maximum aggregation: 29641
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120756
Unique aggregates announced from the LACNIC address blocks: 48993
LACNIC Region origin ASes present in the Internet Routing Table: 11274
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2672
LACNIC Region transit ASes present in the Internet Routing Table: 2510
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: 9226
Number of LACNIC addresses announced to Internet: 171192320
Equivalent to 10 /8s, 52 /16s and 48 /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: 35337
Total AfriNIC prefixes after maximum aggregation: 6636
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 48607
Unique aggregates announced from the AfriNIC address blocks: 13774
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 25.30
AfriNIC Region origin ASes announcing only one prefix: 691
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: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet: 105237504
Equivalent to 6 /8s, 69 /16s and 204 /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 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4403 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3275 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 2176 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 13583 40950 5211 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3608 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3454 8758 851 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3192 3854 429 GOOGLE-CLOUD-PLATFORM, US
16625 3117 1309 2255 AKAMAI-AS, US
36352 2833 231 860 AS-COLOCROSSING, 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 4780 291 66 ALJAWWALSTC-AS, SA
20940 4067 3395 127 AKAMAI-ASN1, NL
9009 3895 358 2099 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 1417 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 12233 3256 574 UNINET, MX
10620 3506 481 1018 Telmex Colombia S.A., CO
13999 2537 538 355 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 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 1623 389 17 LINKdotNET-AS, EG
29571 1606 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 1078 523 47 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 568 82 3 KENET-AS, KE
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 13583 40950 5211 AMAZON-02, US
8151 12233 3256 574 UNINET, MX
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7674 1713 148 UNI2-AS, ES
7545 6153 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4781 317 604 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
18403 4403 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 12233 11659 UNINET, MX
9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou
12479 7674 7526 UNI2-AS, ES
7545 6153 5501 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4403 4378 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 3921 3895 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 /14:1210 /15:2153 /16:13806 /17:8226 /18:13508
/19:24554 /20:44002 /21:51876 /22:112193 /23:102982 /24:612115
/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 6597 7674 UNI2-AS, ES
8151 6444 12233 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2738 3608 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2347 13583 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 2:1534 3:817 4:10 5:4708 6:161
7:6 8:1565 9:1 11:172 12:1342 13:445
14:2534 15:365 16:285 17:379 18:920 20:554
21:4 22:188 23:7677 24:2730 25:2 27:2784
29:19 31:3305 32:35 33:1 34:80 35:255
36:3185 37:4546 38:9295 39:906 40:207 41:4281
42:1930 43:2643 44:378 45:18657 46:5137 47:323
49:1923 50:1889 51:592 52:1556 54:323 55:1096
56:11 57:271 58:2210 59:1189 60:1172 61:2790
62:2928 63:1793 64:5505 65:2061 66:4703 67:3086
68:1120 69:3939 70:1114 71:630 72:2868 74:2797
75:1517 76:608 77:2773 78:1909 79:1728 80:2206
81:2075 82:3182 83:1443 84:1878 85:3464 86:1085
87:2138 88:1345 89:4392 90:777 91:8386 92:2740
93:2940 94:4045 95:4420 96:1475 97:310 98:1000
99:688 100:72 101:1405 102:3888 103:32097 104:5219
105:764 106:974 107:2674 108:1250 109:4104 110:2233
111:3237 112:2141 113:1839 114:1995 115:2205 116:2064
117:2585 118:2919 119:1905 120:2085 121:1380 122:2791
123:2219 124:1589 125:2874 126:91 128:1615 129:951
130:1296 131:2067 132:780 133:451 134:1555 135:347
136:1349 137:1259 138:2825 139:1594 140:1621 141:1511
142:1916 143:1937 144:1162 145:560 146:2179 147:2114
148:2710 149:2933 150:1267 151:2087 152:2087 153:590
154:7894 155:1759 156:3142 157:1913 158:1332 159:2504
160:3594 161:1859 162:3886 163:2231 164:1865 165:2030
166:1514 167:1992 168:3977 169:788 170:5130 171:1010
172:4468 173:3355 174:921 175:1322 176:3708 177:4707
178:3895 179:2316 180:2638 181:4110 182:3474 183:2094
184:2126 185:21627 186:5175 187:4582 188:4258 189:4327
190:9584 191:1484 192:11308 193:9484 194:7819 195:5547
196:3306 197:3251 198:6104 199:8529 200:8214 201:6380
202:10316 203:10654 204:4573 205:3620 206:4472 207:3538
208:4286 209:5115 210:4610 211:2540 212:4572 213:3778
214:1015 215:46 216:6769 217:3204 218:1362 219:390
220:2130 221:1156 222:725 223:2515
End of report
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