[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 27 21:39:08 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 27 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: 984565
Prefixes after maximum aggregation (per Origin AS): 379505
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 481683
Number of IPv4 prefixes with a valid ROA: 547632
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 436752
Total ASes present in the Internet Routing Table: 76923
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65927
Origin ASes announcing only one prefix: 26967
Transit ASes present in the Internet Routing Table: 10996
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: 1137
Number of instances of unregistered ASNs: 1143
Number of 32-bit ASNs allocated by the RIRs: 46522
Number of 32-bit ASNs visible in the Routing Table: 38295
Prefixes from 32-bit ASNs in the Routing Table: 203668
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: 464
Number of addresses announced to Internet: 3108815360
Equivalent to 185 /8s, 76 /16s and 194 /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: 322190
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257808
Total APNIC prefixes after maximum aggregation: 77078
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 248953
Unique aggregates announced from the APNIC address blocks: 104262
APNIC Region origin ASes present in the Internet Routing Table: 14608
APNIC Prefixes per ASN: 17.04
APNIC Region origin ASes announcing only one prefix: 4459
APNIC Region transit ASes present in the Internet Routing Table: 1954
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: 10130
Number of APNIC addresses announced to Internet: 747719424
Equivalent to 44 /8s, 145 /16s and 75 /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: 291503
Total ARIN prefixes after maximum aggregation: 131071
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292189
Unique aggregates announced from the ARIN address blocks: 139486
ARIN Region origin ASes present in the Internet Routing Table: 19240
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7054
ARIN Region transit ASes present in the Internet Routing Table: 1983
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: 5218
Number of ARIN addresses announced to Internet: 1352442112
Equivalent to 80 /8s, 156 /16s and 161 /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: 274365
Total RIPE prefixes after maximum aggregation: 134323
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272677
Unique aggregates announced from the RIPE address blocks: 174896
RIPE Region origin ASes present in the Internet Routing Table: 28936
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12077
RIPE Region transit ASes present in the Internet Routing Table: 3990
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: 12463
Number of RIPE addresses announced to Internet: 731398912
Equivalent to 43 /8s, 152 /16s and 67 /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: 124187
Total LACNIC prefixes after maximum aggregation: 29633
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120545
Unique aggregates announced from the LACNIC address blocks: 48971
LACNIC Region origin ASes present in the Internet Routing Table: 11256
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2682
LACNIC Region transit ASes present in the Internet Routing Table: 2503
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: 9203
Number of LACNIC addresses announced to Internet: 171864320
Equivalent to 10 /8s, 62 /16s and 113 /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: 35565
Total AfriNIC prefixes after maximum aggregation: 6689
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 49736
Unique aggregates announced from the AfriNIC address blocks: 13660
AfriNIC Region origin ASes present in the Internet Routing Table: 1914
AfriNIC Prefixes per ASN: 25.99
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 378
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: 1281
Number of AfriNIC addresses announced to Internet: 105178624
Equivalent to 6 /8s, 68 /16s and 230 /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 11045 8756 96 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 4286 533 299 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2870 853 530 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 13559 40828 5174 AMAZON-02, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3616 3052 210 ASN-CXA-ALL-CCI-22773-RDC, US
174 3445 8746 888 COGENT-174, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3170 3852 418 GOOGLE-CLOUD-PLATFORM, US
16625 3152 1316 2263 AKAMAI-AS, US
36352 2821 230 850 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 7705 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4066 3395 127 AKAMAI-ASN1, NL
9009 3880 341 2091 M247, RO
12389 3069 2304 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2161 152 1590 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1423 94 738 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 12170 3255 583 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2514 540 365 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1062 70 379 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1041 2503 52 TIM SA, BR
6503 1032 373 163 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 1780 644 27 RAYA-AS, EG
24863 1654 389 17 LINKdotNET-AS, EG
29571 1608 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 1058 523 46 Vodafone-, 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 13559 40828 5174 AMAZON-02, US
8151 12170 3255 583 UNINET, MX
9808 11045 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7705 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 4286 533 299 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 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 12170 11587 UNINET, MX
9808 11045 10949 CHINAMOBILE-CN China Mobile Communications Grou
12479 7705 7557 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 4286 3987 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 3939 AKAMAI-ASN1, NL
7552 3922 3896 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 /12:299
/13:583 /14:1221 /15:2165 /16:13896 /17:8258 /18:13687
/19:24627 /20:43967 /21:51714 /22:111936 /23:102403 /24:609643
/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 6620 7705 UNI2-AS, ES
8151 6359 12170 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3616 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2381 13559 AMAZON-02, US
30036 2237 2579 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)
----------------------------------------------
1:2366 2:1525 3:794 4:9 5:4709 6:162
7:6 8:1577 9:1 11:172 12:1360 13:435
14:2518 15:354 16:285 17:376 18:921 20:528
21:4 22:188 23:7590 24:2807 25:2 27:2784
29:19 31:3274 32:36 33:1 34:80 35:209
36:2955 37:4610 38:9157 39:907 40:170 41:4219
42:1966 43:2584 44:385 45:18576 46:5081 47:301
49:1937 50:1887 51:590 52:1563 54:320 55:1098
56:11 57:263 58:2218 59:1221 60:1168 61:2790
62:2918 63:1801 64:5476 65:2069 66:4667 67:3071
68:1162 69:3939 70:1144 71:633 72:2861 74:2794
75:1520 76:615 77:2700 78:1910 79:1669 80:2206
81:2083 82:3141 83:1449 84:1867 85:3426 86:1066
87:2134 88:1316 89:4402 90:775 91:8379 92:2717
93:2901 94:4057 95:4343 96:1460 97:312 98:1019
99:690 100:71 101:1177 102:3883 103:32211 104:5053
105:766 106:1034 107:2672 108:1245 109:4026 110:2243
111:3287 112:2100 113:1806 114:1972 115:2184 116:2046
117:2576 118:2868 119:1913 120:1944 121:1380 122:2765
123:2188 124:1581 125:2854 126:91 128:1628 129:956
130:1317 131:1973 132:783 133:451 134:1543 135:333
136:1355 137:1261 138:2900 139:1596 140:1594 141:1505
142:1906 143:1780 144:1115 145:504 146:2188 147:2113
148:2696 149:2892 150:1213 151:1936 152:2088 153:561
154:7995 155:1984 156:3260 157:1914 158:1324 159:2449
160:3838 161:1847 162:3759 163:2185 164:1728 165:2213
166:1493 167:1898 168:4308 169:795 170:5089 171:1011
172:4455 173:3293 174:924 175:1302 176:3703 177:4765
178:3641 179:2330 180:2630 181:4070 182:3443 183:2062
184:2115 185:21594 186:5160 187:4494 188:4251 189:4323
190:9554 191:1477 192:11312 193:9486 194:7782 195:5532
196:3266 197:3644 198:6121 199:8494 200:8196 201:6353
202:10302 203:10654 204:4537 205:3608 206:4510 207:3496
208:4263 209:5129 210:4599 211:2531 212:4563 213:3733
214:1024 215:48 216:6760 217:3127 218:1348 219:379
220:2080 221:1096 222:723 223:2387
End of report
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