[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 29 21:39:12 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 29 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: 985466
Prefixes after maximum aggregation (per Origin AS): 379667
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 483293
Number of IPv4 prefixes with a valid ROA: 548898
Number of IPv4 prefixes with an invalid ROA: 196
Number of IPv4 prefixes with no ROA: 436372
Total ASes present in the Internet Routing Table: 76894
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65893
Origin ASes announcing only one prefix: 26965
Transit ASes present in the Internet Routing Table: 11001
Transit-only ASes present in the Internet Routing Table: 544
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: 70
Max AS path prepend of ASN ( 37447) 66
Prefixes from unregistered ASNs in the Routing Table: 1156
Number of instances of unregistered ASNs: 1162
Number of 32-bit ASNs allocated by the RIRs: 46539
Number of 32-bit ASNs visible in the Routing Table: 38275
Prefixes from 32-bit ASNs in the Routing Table: 203866
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: 470
Number of addresses announced to Internet: 3109153792
Equivalent to 185 /8s, 81 /16s and 236 /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: 322322
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258313
Total APNIC prefixes after maximum aggregation: 77116
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249469
Unique aggregates announced from the APNIC address blocks: 104317
APNIC Region origin ASes present in the Internet Routing Table: 14579
APNIC Prefixes per ASN: 17.11
APNIC Region origin ASes announcing only one prefix: 4444
APNIC Region transit ASes present in the Internet Routing Table: 1955
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 58
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10104
Number of APNIC addresses announced to Internet: 747817216
Equivalent to 44 /8s, 146 /16s and 201 /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: 291647
Total ARIN prefixes after maximum aggregation: 131174
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292271
Unique aggregates announced from the ARIN address blocks: 140059
ARIN Region origin ASes present in the Internet Routing Table: 19239
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7055
ARIN Region transit ASes present in the Internet Routing Table: 1981
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: 5219
Number of ARIN addresses announced to Internet: 1352243712
Equivalent to 80 /8s, 153 /16s and 154 /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: 274648
Total RIPE prefixes after maximum aggregation: 134460
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272991
Unique aggregates announced from the RIPE address blocks: 175078
RIPE Region origin ASes present in the Internet Routing Table: 28937
RIPE Prefixes per ASN: 9.43
RIPE Region origin ASes announcing only one prefix: 12076
RIPE Region transit ASes present in the Internet Routing Table: 3996
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: 12465
Number of RIPE addresses announced to Internet: 731675392
Equivalent to 43 /8s, 156 /16s and 123 /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: 124141
Total LACNIC prefixes after maximum aggregation: 29496
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120517
Unique aggregates announced from the LACNIC address blocks: 48983
LACNIC Region origin ASes present in the Internet Routing Table: 11259
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2695
LACNIC Region transit ASes present in the Internet Routing Table: 2506
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: 9209
Number of LACNIC addresses announced to Internet: 171953152
Equivalent to 10 /8s, 63 /16s and 204 /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: 35561
Total AfriNIC prefixes after maximum aggregation: 6690
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 49747
Unique aggregates announced from the AfriNIC address blocks: 14442
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 26.03
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 374
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 70
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet: 105253120
Equivalent to 6 /8s, 70 /16s and 9 /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 11070 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4397 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 533 300 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3268 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2875 853 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2166 434 193 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 13552 40828 5190 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3630 1320 81 SHAW, CA
22773 3620 3054 214 ASN-CXA-ALL-CCI-22773-RDC, US
174 3447 8747 896 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3174 3853 419 GOOGLE-CLOUD-PLATFORM, US
16625 3134 1303 2250 AKAMAI-AS, US
36352 2819 230 854 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 7727 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4068 3395 127 AKAMAI-ASN1, NL
9009 3905 358 2074 M247, RO
12389 3073 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2220 161 1634 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1425 95 740 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 12175 3255 580 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2511 540 361 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1361 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
11664 1190 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1062 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1042 2503 52 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 1780 644 27 RAYA-AS, EG
24863 1653 389 17 LINKdotNET-AS, EG
29571 1610 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1054 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 552 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 13552 40828 5190 AMAZON-02, US
8151 12175 3255 580 UNINET, MX
9808 11070 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7727 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 CABLEONE, US
18403 4397 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 533 300 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 12175 11595 UNINET, MX
9808 11070 10973 CHINAMOBILE-CN China Mobile Communications Grou
12479 7727 7579 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4397 4372 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 CABLEONE, US
9498 4288 3988 BBIL-AP BHARTI Airtel Ltd., IN
20940 4068 3941 AKAMAI-ASN1, NL
7552 3923 3897 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
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
46639 UNALLOCATED 8.38.73.0/24 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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 /11:92 /12:298
/13:583 /14:1221 /15:2164 /16:13900 /17:8259 /18:13697
/19:24635 /20:44006 /21:51734 /22:112028 /23:102466 /24:610309
/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 6640 7727 UNI2-AS, ES
8151 6362 12175 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3426 3630 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3620 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2385 13552 AMAZON-02, US
30036 2240 2582 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)
----------------------------------------------
1:2370 2:1523 3:796 4:9 5:4700 6:162
7:6 8:1575 9:1 11:172 12:1360 13:431
14:2522 15:355 16:285 17:376 18:920 20:542
21:4 22:188 23:7587 24:2808 25:2 27:2786
29:19 31:3290 32:36 33:1 34:80 35:211
36:3060 37:4625 38:9163 39:909 40:170 41:4208
42:1963 43:2590 44:381 45:18550 46:5095 47:301
49:1937 50:1888 51:591 52:1567 54:320 55:1098
56:11 57:263 58:2219 59:1222 60:1168 61:2794
62:2924 63:1803 64:5473 65:2064 66:4673 67:3069
68:1162 69:3941 70:1141 71:638 72:2865 74:2788
75:1517 76:615 77:2701 78:1911 79:1685 80:2204
81:2087 82:3113 83:1451 84:1868 85:3435 86:1064
87:2133 88:1322 89:4397 90:776 91:8373 92:2719
93:2916 94:4056 95:4356 96:1460 97:312 98:1019
99:689 100:72 101:1412 102:3874 103:32227 104:5068
105:766 106:1036 107:2671 108:1248 109:4044 110:2242
111:3278 112:2113 113:1802 114:1976 115:2188 116:2047
117:2578 118:2880 119:1911 120:1966 121:1379 122:2763
123:2193 124:1580 125:2855 126:91 128:1622 129:964
130:1317 131:1986 132:785 133:449 134:1545 135:333
136:1353 137:1263 138:2879 139:1598 140:1594 141:1504
142:1908 143:1784 144:1133 145:510 146:2192 147:2111
148:2700 149:2882 150:1244 151:1935 152:2089 153:568
154:8003 155:1989 156:3284 157:1918 158:1328 159:2478
160:3842 161:1834 162:3781 163:2189 164:1727 165:2215
166:1491 167:1933 168:4303 169:793 170:5086 171:1012
172:4450 173:3306 174:923 175:1301 176:3696 177:4761
178:3647 179:2353 180:2614 181:4079 182:3443 183:2074
184:2120 185:21588 186:5160 187:4506 188:4240 189:4314
190:9547 191:1469 192:11305 193:9462 194:7789 195:5535
196:3269 197:3648 198:6115 199:8498 200:8194 201:6336
202:10314 203:10650 204:4542 205:3589 206:4511 207:3498
208:4255 209:5125 210:4608 211:2534 212:4563 213:3734
214:1026 215:48 216:6760 217:3125 218:1349 219:379
220:2081 221:1107 222:723 223:2402
End of report
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