[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 12 21:39:56 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 12 May, 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: 981411
Prefixes after maximum aggregation (per Origin AS): 378159
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479306
Number of IPv4 prefixes with a valid ROA: 544374
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 436856
Total ASes present in the Internet Routing Table: 76881
Prefixes per ASN: 12.77
Origin-only ASes present in the Internet Routing Table: 65870
Origin ASes announcing only one prefix: 26977
Transit ASes present in the Internet Routing Table: 11011
Transit-only ASes present in the Internet Routing Table: 548
Paths with bogon ASNs present in the IPv4 Routing Table: 310
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1113
Number of instances of unregistered ASNs: 1119
Number of 32-bit ASNs allocated by the RIRs: 46405
Number of 32-bit ASNs visible in the Routing Table: 38225
Prefixes from 32-bit ASNs in the Routing Table: 201974
Number of bogon 32-bit ASNs visible in the Routing Table: 37
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 474
Number of addresses announced to Internet: 3108519936
Equivalent to 185 /8s, 72 /16s and 64 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 321621
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257234
Total APNIC prefixes after maximum aggregation: 76848
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248417
Unique aggregates announced from the APNIC address blocks: 103152
APNIC Region origin ASes present in the Internet Routing Table: 14612
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4472
APNIC Region transit ASes present in the Internet Routing Table: 1970
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10128
Number of APNIC addresses announced to Internet: 747515648
Equivalent to 44 /8s, 142 /16s and 47 /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: 290072
Total ARIN prefixes after maximum aggregation: 130374
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291413
Unique aggregates announced from the ARIN address blocks: 138708
ARIN Region origin ASes present in the Internet Routing Table: 19243
ARIN Prefixes per ASN: 15.14
ARIN Region origin ASes announcing only one prefix: 7047
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: 5201
Number of ARIN addresses announced to Internet: 1352960256
Equivalent to 80 /8s, 164 /16s and 137 /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: 273912
Total RIPE prefixes after maximum aggregation: 133995
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 271822
Unique aggregates announced from the RIPE address blocks: 174298
RIPE Region origin ASes present in the Internet Routing Table: 28913
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12059
RIPE Region transit ASes present in the Internet Routing Table: 3981
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12432
Number of RIPE addresses announced to Internet: 730932224
Equivalent to 43 /8s, 145 /16s and 36 /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: 123701
Total LACNIC prefixes after maximum aggregation: 29455
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120082
Unique aggregates announced from the LACNIC address blocks: 48858
LACNIC Region origin ASes present in the Internet Routing Table: 11234
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2698
LACNIC Region transit ASes present in the Internet Routing Table: 2493
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: 9181
Number of LACNIC addresses announced to Internet: 171748096
Equivalent to 10 /8s, 60 /16s and 171 /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: 35379
Total AfriNIC prefixes after maximum aggregation: 6780
AfriNIC Deaggregation factor: 5.22
Prefixes being announced from the AfriNIC address blocks: 49202
Unique aggregates announced from the AfriNIC address blocks: 13899
AfriNIC Region origin ASes present in the Internet Routing Table: 1914
AfriNIC Prefixes per ASN: 25.71
AfriNIC Region origin ASes announcing only one prefix: 701
AfriNIC Region transit ASes present in the Internet Routing Table: 379
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet: 105134848
Equivalent to 6 /8s, 68 /16s and 59 /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 10801 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6164 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4380 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4274 533 299 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4766 2172 11522 647 KIXS-AS-KR Korea Telecom, KR
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 13365 40832 4896 AMAZON-02, US
11492 4727 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3616 1320 81 SHAW, CA
22773 3614 3052 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3453 8750 897 COGENT-174, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3164 3852 416 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2261 AKAMAI-AS, US
36352 2793 228 852 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 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4054 3395 127 AKAMAI-ASN1, NL
9009 3800 328 1974 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2141 151 1575 CDNEXT, GB
8452 1644 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1421 94 736 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 12057 3247 582 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1337 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1206 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1191 371 22 Telefonica del Peru S.A.A., PE
22884 1055 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1042 374 163 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
24835 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
29571 1595 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1035 523 45 Vodafone-, EG
37069 999 1100 18 MOBINIL, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 551 82 3 KENET-AS, KE
15399 532 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 13365 40832 4896 AMAZON-02, US
8151 12057 3247 582 UNINET, MX
9808 10801 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7697 1714 148 UNI2-AS, ES
7545 6164 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4727 313 592 CABLEONE, US
18403 4380 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4274 533 299 BBIL-AP BHARTI Airtel Ltd., IN
20940 4054 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 12057 11475 UNINET, MX
9808 10801 10705 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6164 5509 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4380 4355 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 CABLEONE, US
9498 4274 3975 BBIL-AP BHARTI Airtel Ltd., IN
20940 4054 3927 AKAMAI-ASN1, NL
7552 3908 3882 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
211747 UNALLOCATED 5.231.225.0/24 204044 ONLYSERVERS Dedicated S
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
23.138.204.0/24 Origin: 203062 ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux
23.138.204.0/24 Transit: 35661 VIRTUASYS-EU Lift weight. Push bytes. Ne
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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, 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 /9:16 /10:41 /11:93 /12:300
/13:582 /14:1223 /15:2166 /16:13975 /17:8254 /18:13701
/19:24603 /20:43731 /21:51620 /22:111875 /23:101872 /24:607342
/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 6618 7697 UNI2-AS, ES
8151 6256 12057 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3412 3616 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2741 3614 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 13365 AMAZON-02, US
30036 2225 2566 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3500 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)
----------------------------------------------
1:2333 2:1527 3:721 4:11 5:4674 6:163
7:6 8:1586 9:1 11:172 12:1364 13:394
14:2517 15:353 16:285 17:372 18:919 20:518
21:4 22:188 23:7553 24:2802 25:2 27:2775
29:19 31:3257 32:37 33:1 34:80 35:205
36:2758 37:4640 38:9124 39:909 40:168 41:4147
42:1997 43:2582 44:379 45:18546 46:5060 47:294
49:1932 50:1896 51:590 52:1556 54:307 55:1090
56:11 57:258 58:2212 59:1216 60:1166 61:2773
62:2916 63:1814 64:5482 65:2121 66:4678 67:3072
68:1156 69:3932 70:1146 71:639 72:2872 74:2784
75:1619 76:614 77:2704 78:1895 79:1754 80:2199
81:2056 82:3139 83:1432 84:1853 85:3429 86:1050
87:2158 88:1316 89:4353 90:774 91:8350 92:2683
93:2894 94:4040 95:4315 96:1462 97:312 98:1020
99:677 100:72 101:1154 102:3935 103:32215 104:5016
105:756 106:1033 107:2659 108:1222 109:4076 110:2233
111:3306 112:2056 113:1787 114:1968 115:2207 116:2048
117:2669 118:2891 119:1955 120:1892 121:1374 122:2752
123:2175 124:1567 125:2845 126:91 128:1606 129:954
130:1297 131:1963 132:783 133:451 134:1536 135:331
136:1314 137:1259 138:2880 139:1616 140:1582 141:1501
142:1901 143:1729 144:1093 145:505 146:2165 147:2099
148:2621 149:2854 150:1215 151:1862 152:2085 153:563
154:8102 155:1701 156:3448 157:1908 158:1300 159:2442
160:3583 161:1889 162:3735 163:2148 164:1694 165:2196
166:1477 167:1904 168:4040 169:791 170:5088 171:1010
172:4423 173:3272 174:918 175:1301 176:3680 177:4701
178:3612 179:2267 180:2623 181:4060 182:3427 183:2082
184:2116 185:21585 186:5113 187:4426 188:4236 189:4244
190:9620 191:1475 192:11248 193:9499 194:7764 195:5507
196:3295 197:3701 198:6115 199:8486 200:8213 201:6324
202:10281 203:10622 204:4536 205:3511 206:4513 207:3492
208:4279 209:5168 210:4591 211:2535 212:4527 213:3714
214:1031 215:48 216:6738 217:3134 218:1342 219:375
220:2076 221:1081 222:718 223:2362
End of report
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