[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 2 21:40:04 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 02 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: 987620
Prefixes after maximum aggregation (per Origin AS): 381978
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 484907
Number of IPv4 prefixes with a valid ROA: 553997
Number of IPv4 prefixes with an invalid ROA: 191
Number of IPv4 prefixes with no ROA: 433432
Total ASes present in the Internet Routing Table: 76975
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 65954
Origin ASes announcing only one prefix: 26892
Transit ASes present in the Internet Routing Table: 11021
Transit-only ASes present in the Internet Routing Table: 562
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: 1228
Number of instances of unregistered ASNs: 1265
Number of 32-bit ASNs allocated by the RIRs: 46726
Number of 32-bit ASNs visible in the Routing Table: 38457
Prefixes from 32-bit ASNs in the Routing Table: 204517
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: 468
Number of addresses announced to Internet: 3103841024
Equivalent to 185 /8s, 0 /16s and 219 /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: 322950
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260147
Total APNIC prefixes after maximum aggregation: 77550
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 251077
Unique aggregates announced from the APNIC address blocks: 104533
APNIC Region origin ASes present in the Internet Routing Table: 14656
APNIC Prefixes per ASN: 17.13
APNIC Region origin ASes announcing only one prefix: 4460
APNIC Region transit ASes present in the Internet Routing Table: 1967
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: 10190
Number of APNIC addresses announced to Internet: 747756800
Equivalent to 44 /8s, 145 /16s and 221 /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: 290829
Total ARIN prefixes after maximum aggregation: 131618
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292243
Unique aggregates announced from the ARIN address blocks: 140261
ARIN Region origin ASes present in the Internet Routing Table: 19231
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7041
ARIN Region transit ASes present in the Internet Routing Table: 1990
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: 5239
Number of ARIN addresses announced to Internet: 1348482816
Equivalent to 80 /8s, 96 /16s and 55 /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: 276237
Total RIPE prefixes after maximum aggregation: 135650
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 275134
Unique aggregates announced from the RIPE address blocks: 176824
RIPE Region origin ASes present in the Internet Routing Table: 28907
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12019
RIPE Region transit ASes present in the Internet Routing Table: 3979
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: 12511
Number of RIPE addresses announced to Internet: 730955008
Equivalent to 43 /8s, 145 /16s and 125 /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: 123995
Total LACNIC prefixes after maximum aggregation: 29677
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120417
Unique aggregates announced from the LACNIC address blocks: 49012
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2677
LACNIC Region transit ASes present in the Internet Routing Table: 2519
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9231
Number of LACNIC addresses announced to Internet: 171172608
Equivalent to 10 /8s, 51 /16s and 227 /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: 35184
Total AfriNIC prefixes after maximum aggregation: 6663
AfriNIC Deaggregation factor: 5.28
Prefixes being announced from the AfriNIC address blocks: 48280
Unique aggregates announced from the AfriNIC address blocks: 13859
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 25.09
AfriNIC Region origin ASes announcing only one prefix: 695
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: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105217280
Equivalent to 6 /8s, 69 /16s and 125 /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 6146 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4350 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3897 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2897 861 525 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2420 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2180 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 13592 40949 5222 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3601 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3470 8768 860 COGENT-174, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3192 3854 429 GOOGLE-CLOUD-PLATFORM, US
16625 3113 1308 2251 AKAMAI-AS, US
4155 2844 216 1732 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 7658 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3773 351 2104 M247, RO
12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2340 169 1708 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1600 1852 14 TE-AS TE-AS, EG
8551 1420 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 12238 3256 578 UNINET, MX
10620 3507 481 1018 Telmex Colombia S.A., CO
13999 2530 537 360 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 1186 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1055 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 1784 604 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 1108 1100 18 MOBINIL, EG
36935 941 520 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 13592 40949 5222 AMAZON-02, US
8151 12238 3256 578 UNINET, MX
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7658 1713 148 UNI2-AS, ES
7545 6146 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
18403 4406 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4350 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 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 12238 11660 UNINET, MX
9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou
12479 7658 7510 UNI2-AS, ES
7545 6146 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4406 4381 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4350 4038 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 3941 AKAMAI-ASN1, NL
7552 3897 3871 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 /12:298
/13:585 /14:1210 /15:2155 /16:13800 /17:8221 /18:13502
/19:24540 /20:43973 /21:51807 /22:112052 /23:102855 /24:612458
/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 6581 7658 UNI2-AS, ES
8151 6447 12238 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 2731 3601 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2350 13592 AMAZON-02, US
30036 2268 2610 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2194 3507 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)
----------------------------------------------
1:2382 2:1535 3:825 4:10 5:4761 6:162
7:6 8:1574 9:1 11:172 12:1345 13:447
14:2540 15:364 16:285 17:380 18:893 20:554
21:4 22:188 23:7694 24:2730 25:2 27:2786
29:19 31:3299 32:35 33:1 34:80 35:256
36:3228 37:4587 38:9325 39:906 40:209 41:4285
42:1930 43:2647 44:378 45:18637 46:5148 47:326
49:1862 50:1894 51:592 52:1554 54:320 55:1098
56:11 57:268 58:2208 59:1187 60:1173 61:2788
62:2927 63:1799 64:5514 65:2061 66:4718 67:3090
68:1122 69:3952 70:1114 71:628 72:2874 74:2791
75:1516 76:608 77:2777 78:1908 79:1736 80:2203
81:2077 82:3181 83:1466 84:1879 85:3463 86:1083
87:2141 88:1346 89:4420 90:778 91:8395 92:2751
93:2945 94:4051 95:4407 96:1483 97:311 98:999
99:691 100:72 101:1407 102:3864 103:32269 104:5202
105:762 106:974 107:2664 108:1258 109:4131 110:2236
111:3218 112:2182 113:1841 114:1984 115:2205 116:2057
117:2590 118:2932 119:1905 120:2102 121:1381 122:2793
123:2226 124:1613 125:2868 126:91 128:1608 129:959
130:1289 131:2046 132:782 133:451 134:1554 135:348
136:1388 137:1257 138:2805 139:1595 140:1628 141:1512
142:1916 143:1946 144:1164 145:556 146:2180 147:2106
148:2709 149:2907 150:1264 151:2159 152:2089 153:590
154:7751 155:1765 156:3172 157:1930 158:1335 159:2505
160:3614 161:1859 162:3885 163:2233 164:1863 165:2032
166:1513 167:1998 168:3965 169:787 170:5113 171:1008
172:4463 173:3361 174:927 175:1321 176:3710 177:4699
178:3901 179:2305 180:2638 181:4096 182:3485 183:2096
184:2127 185:21622 186:5167 187:4575 188:4262 189:4301
190:9518 191:1467 192:11328 193:9482 194:7770 195:5554
196:3311 197:3250 198:6099 199:8543 200:8210 201:6363
202:10344 203:10657 204:4574 205:3565 206:4478 207:3540
208:4282 209:5099 210:4614 211:2552 212:4583 213:3784
214:1014 215:46 216:6785 217:3204 218:1363 219:391
220:2131 221:1164 222:726 223:2552
End of report
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