[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 1 21:40:06 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 01 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: 987749
Prefixes after maximum aggregation (per Origin AS): 381735
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 484141
Number of IPv4 prefixes with a valid ROA: 553540
Number of IPv4 prefixes with an invalid ROA: 192
Number of IPv4 prefixes with no ROA: 434017
Total ASes present in the Internet Routing Table: 76956
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 65929
Origin ASes announcing only one prefix: 26886
Transit ASes present in the Internet Routing Table: 11027
Transit-only ASes present in the Internet Routing Table: 555
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: 1230
Number of instances of unregistered ASNs: 1267
Number of 32-bit ASNs allocated by the RIRs: 46722
Number of 32-bit ASNs visible in the Routing Table: 38433
Prefixes from 32-bit ASNs in the Routing Table: 204421
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: 462
Number of addresses announced to Internet: 3104088320
Equivalent to 185 /8s, 4 /16s and 161 /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: 322895
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260226
Total APNIC prefixes after maximum aggregation: 77567
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 251206
Unique aggregates announced from the APNIC address blocks: 104464
APNIC Region origin ASes present in the Internet Routing Table: 14646
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 4454
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: 10177
Number of APNIC addresses announced to Internet: 747749376
Equivalent to 44 /8s, 145 /16s and 192 /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: 290853
Total ARIN prefixes after maximum aggregation: 131469
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292221
Unique aggregates announced from the ARIN address blocks: 139664
ARIN Region origin ASes present in the Internet Routing Table: 19230
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7037
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: 5238
Number of ARIN addresses announced to Internet: 1348802304
Equivalent to 80 /8s, 101 /16s and 23 /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: 276045
Total RIPE prefixes after maximum aggregation: 135563
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274998
Unique aggregates announced from the RIPE address blocks: 176719
RIPE Region origin ASes present in the Internet Routing Table: 28916
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12036
RIPE Region transit ASes present in the Internet Routing Table: 3980
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: 12508
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: 124134
Total LACNIC prefixes after maximum aggregation: 29667
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120602
Unique aggregates announced from the LACNIC address blocks: 49069
LACNIC Region origin ASes present in the Internet Routing Table: 11275
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2670
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: 9230
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: 35261
Total AfriNIC prefixes after maximum aggregation: 6647
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 48259
Unique aggregates announced from the AfriNIC address blocks: 13813
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 25.19
AfriNIC Region origin ASes announcing only one prefix: 689
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: 1280
Number of AfriNIC addresses announced to Internet: 105248512
Equivalent to 6 /8s, 69 /16s and 247 /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 4407 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4350 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 3278 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 524 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2409 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 13607 40950 5217 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3602 3037 210 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 3114 1308 2252 AKAMAI-AS, US
4155 2847 216 1726 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 7662 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3770 350 2102 M247, RO
12389 3118 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2341 169 1708 CDNEXT, GB
8452 1626 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
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 12235 3256 577 UNINET, MX
10620 3508 481 1019 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 1368 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
11664 1185 278 33 Techtel LMDS Comunicaciones Interactivas
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 1099 1100 18 MOBINIL, EG
36935 1063 520 44 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 13607 40950 5217 AMAZON-02, US
8151 12235 3256 577 UNINET, MX
9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7662 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 4407 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 12235 11658 UNINET, MX
9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou
12479 7662 7514 UNI2-AS, ES
7545 6126 5500 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4407 4382 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 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
23.140.212.0/24 Origin: 398338 DOLLAR DISCOUNT HOSTING, US
23.140.212.0/24 Transit: 13335 CLOUDFLARENET, 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
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 /15:2154 /16:13798 /17:8225 /18:13507
/19:24565 /20:43982 /21:51861 /22:112154 /23:102922 /24:612323
/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 6586 7662 UNI2-AS, ES
8151 6444 12235 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 3602 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2355 13607 AMAZON-02, US
30036 2266 2608 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2195 3508 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)
----------------------------------------------
1:2377 2:1536 3:826 4:10 5:4750 6:160
7:6 8:1572 9:1 11:172 12:1345 13:447
14:2539 15:366 16:285 17:379 18:893 20:554
21:4 22:188 23:7698 24:2731 25:2 27:2785
29:19 31:3294 32:35 33:1 34:80 35:256
36:3222 37:4589 38:9317 39:906 40:207 41:4265
42:1932 43:2647 44:378 45:18624 46:5145 47:326
49:1925 50:1892 51:592 52:1553 54:321 55:1101
56:11 57:272 58:2208 59:1189 60:1173 61:2790
62:2926 63:1799 64:5503 65:2065 66:4712 67:3085
68:1121 69:3926 70:1111 71:630 72:2873 74:2789
75:1517 76:608 77:2772 78:1909 79:1728 80:2207
81:2078 82:3175 83:1463 84:1879 85:3462 86:1087
87:2140 88:1347 89:4410 90:778 91:8389 92:2743
93:2943 94:4036 95:4398 96:1485 97:310 98:1000
99:690 100:72 101:1407 102:3864 103:32290 104:5216
105:759 106:1039 107:2665 108:1248 109:4124 110:2234
111:3228 112:2169 113:1840 114:1977 115:2211 116:2064
117:2586 118:2930 119:1905 120:2097 121:1381 122:2791
123:2221 124:1614 125:2870 126:91 128:1609 129:960
130:1296 131:2063 132:781 133:451 134:1556 135:348
136:1352 137:1258 138:2802 139:1598 140:1624 141:1509
142:1915 143:1948 144:1161 145:561 146:2180 147:2107
148:2711 149:2908 150:1264 151:2131 152:2087 153:590
154:7720 155:1761 156:3100 157:1929 158:1337 159:2507
160:3610 161:1857 162:3883 163:2234 164:1865 165:2033
166:1512 167:1996 168:3954 169:787 170:5115 171:1009
172:4460 173:3358 174:927 175:1321 176:3705 177:4705
178:3892 179:2299 180:2637 181:4095 182:3485 183:2096
184:2127 185:21625 186:5175 187:4581 188:4259 189:4306
190:9585 191:1485 192:11321 193:9462 194:7802 195:5542
196:3313 197:3239 198:6102 199:8544 200:8217 201:6375
202:10324 203:10624 204:4574 205:3601 206:4472 207:3542
208:4279 209:5114 210:4616 211:2549 212:4573 213:3781
214:1011 215:46 216:6780 217:3202 218:1364 219:391
220:2138 221:1164 222:726 223:2550
End of report
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