[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 17 21:40:00 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 17 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: 983134
Prefixes after maximum aggregation (per Origin AS): 378790
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479475
Number of IPv4 prefixes with a valid ROA: 545876
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 437078
Total ASes present in the Internet Routing Table: 76860
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65860
Origin ASes announcing only one prefix: 26942
Transit ASes present in the Internet Routing Table: 11000
Transit-only ASes present in the Internet Routing Table: 549
Paths with bogon ASNs present in the IPv4 Routing Table: 308
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 157
Max AS path prepend of ASN (153737) 150
Prefixes from unregistered ASNs in the Routing Table: 1129
Number of instances of unregistered ASNs: 1135
Number of 32-bit ASNs allocated by the RIRs: 46439
Number of 32-bit ASNs visible in the Routing Table: 38216
Prefixes from 32-bit ASNs in the Routing Table: 202710
Number of bogon 32-bit ASNs visible in the Routing Table: 35
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 452
Number of addresses announced to Internet: 3108130048
Equivalent to 185 /8s, 66 /16s and 77 /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: 321731
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257534
Total APNIC prefixes after maximum aggregation: 76954
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248797
Unique aggregates announced from the APNIC address blocks: 103109
APNIC Region origin ASes present in the Internet Routing Table: 14594
APNIC Prefixes per ASN: 17.05
APNIC Region origin ASes announcing only one prefix: 4449
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: 157
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10112
Number of APNIC addresses announced to Internet: 747471104
Equivalent to 44 /8s, 141 /16s and 129 /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: 290412
Total ARIN prefixes after maximum aggregation: 130766
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291694
Unique aggregates announced from the ARIN address blocks: 138732
ARIN Region origin ASes present in the Internet Routing Table: 19240
ARIN Prefixes per ASN: 15.16
ARIN Region origin ASes announcing only one prefix: 7048
ARIN Region transit ASes present in the Internet Routing Table: 1993
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: 5209
Number of ARIN addresses announced to Internet: 1352544512
Equivalent to 80 /8s, 158 /16s and 49 /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: 274011
Total RIPE prefixes after maximum aggregation: 134080
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272127
Unique aggregates announced from the RIPE address blocks: 174489
RIPE Region origin ASes present in the Internet Routing Table: 28906
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12060
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: 12436
Number of RIPE addresses announced to Internet: 730938880
Equivalent to 43 /8s, 145 /16s and 62 /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: 124430
Total LACNIC prefixes after maximum aggregation: 29478
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120129
Unique aggregates announced from the LACNIC address blocks: 48869
LACNIC Region origin ASes present in the Internet Routing Table: 11235
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2691
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: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9180
Number of LACNIC addresses announced to Internet: 171745536
Equivalent to 10 /8s, 60 /16s and 161 /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: 35618
Total AfriNIC prefixes after maximum aggregation: 6793
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49934
Unique aggregates announced from the AfriNIC address blocks: 13879
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 26.13
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 102
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet: 105210880
Equivalent to 6 /8s, 69 /16s and 100 /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 10990 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4467 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4284 533 300 BBIL-AP BHARTI Airtel Ltd., IN
7552 3907 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 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2163 434 192 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 13431 40825 5037 AMAZON-02, US
11492 4727 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3618 3053 213 ASN-CXA-ALL-CCI-22773-RDC, US
174 3453 8747 883 COGENT-174, US
749 3243 54815 2494 DNIC-AS-00749, US
396982 3164 3851 416 GOOGLE-CLOUD-PLATFORM, US
16625 3152 1320 2267 AKAMAI-AS, US
36352 2807 229 872 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 7698 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4066 3395 127 AKAMAI-ASN1, NL
9009 3763 325 1953 M247, RO
12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2148 151 1580 CDNEXT, GB
8452 1617 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1422 94 737 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 12119 3249 582 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2518 540 364 Mega Cable, S.A. de C.V., MX
11830 1993 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,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1061 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1040 373 162 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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
29571 1598 102 33 ORANGE-COTE-IVOIRE, CI
36992 1432 1519 280 ETISALAT-MISR, EG
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1040 523 45 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 541 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 13431 40825 5037 AMAZON-02, US
8151 12119 3249 582 UNINET, MX
9808 10990 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7698 1714 148 UNI2-AS, ES
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4727 313 592 CABLEONE, US
18403 4467 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4284 533 300 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 12119 11537 UNINET, MX
9808 10990 10894 CHINAMOBILE-CN China Mobile Communications Grou
12479 7698 7550 UNI2-AS, ES
7545 6166 5512 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4467 4442 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 CABLEONE, US
9498 4284 3984 BBIL-AP BHARTI Airtel Ltd., IN
20940 4066 3939 AKAMAI-ASN1, NL
7552 3907 3881 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 /14:1222 /15:2166 /16:13968 /17:8266 /18:13706
/19:24628 /20:43905 /21:51695 /22:111916 /23:102064 /24:608550
/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 6614 7698 UNI2-AS, ES
8151 6313 12119 UNINET, MX
11492 3533 4727 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3618 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2329 13431 AMAZON-02, US
30036 2232 2573 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3499 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)
----------------------------------------------
1:2351 2:1523 3:767 4:11 5:4689 6:162
7:6 8:1584 9:1 11:172 12:1365 13:419
14:2518 15:353 16:282 17:374 18:914 20:519
21:4 22:188 23:7574 24:2803 25:2 27:2776
29:19 31:3262 32:36 33:1 34:80 35:204
36:2894 37:4627 38:9125 39:913 40:169 41:4214
42:2010 43:2579 44:382 45:18533 46:5061 47:301
49:1933 50:1893 51:590 52:1557 54:314 55:1093
56:11 57:258 58:2217 59:1215 60:1167 61:2780
62:2925 63:1812 64:5483 65:2063 66:4679 67:3071
68:1156 69:3936 70:1127 71:634 72:2843 74:2784
75:1623 76:614 77:2709 78:1896 79:1753 80:2202
81:2077 82:3135 83:1431 84:1865 85:3429 86:1068
87:2161 88:1321 89:4375 90:775 91:8344 92:2692
93:2902 94:4046 95:4323 96:1461 97:311 98:1021
99:686 100:72 101:1152 102:3924 103:32220 104:5037
105:763 106:1033 107:2670 108:1219 109:4078 110:2238
111:3320 112:2071 113:1794 114:1968 115:2175 116:2044
117:2611 118:2889 119:1956 120:1924 121:1374 122:2757
123:2178 124:1569 125:2847 126:91 128:1623 129:959
130:1301 131:1969 132:783 133:451 134:1542 135:332
136:1349 137:1259 138:2893 139:1597 140:1589 141:1502
142:1901 143:1743 144:1099 145:507 146:2159 147:2109
148:2697 149:2856 150:1213 151:1907 152:2088 153:564
154:8024 155:1966 156:3297 157:1902 158:1313 159:2450
160:3817 161:1881 162:3748 163:2154 164:1697 165:2195
166:1482 167:1907 168:4276 169:795 170:4908 171:1009
172:4470 173:3289 174:924 175:1301 176:3696 177:4676
178:3628 179:2272 180:2621 181:4067 182:3438 183:2122
184:2117 185:21559 186:5134 187:4435 188:4249 189:4264
190:9543 191:1473 192:11262 193:9493 194:7768 195:5519
196:3294 197:3647 198:6110 199:8469 200:8216 201:6344
202:10293 203:10621 204:4532 205:3598 206:4518 207:3500
208:4280 209:5164 210:4594 211:2541 212:4538 213:3729
214:1027 215:48 216:6730 217:3136 218:1342 219:381
220:2080 221:1085 222:718 223:2380
End of report
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