[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 24 21:39:06 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 24 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: 983830
Prefixes after maximum aggregation (per Origin AS): 379040
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 481385
Number of IPv4 prefixes with a valid ROA: 546917
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 436733
Total ASes present in the Internet Routing Table: 76850
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65874
Origin ASes announcing only one prefix: 26935
Transit ASes present in the Internet Routing Table: 10976
Transit-only ASes present in the Internet Routing Table: 543
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: 102
Max AS path prepend of ASN ( 37447) 98
Prefixes from unregistered ASNs in the Routing Table: 1128
Number of instances of unregistered ASNs: 1134
Number of 32-bit ASNs allocated by the RIRs: 46510
Number of 32-bit ASNs visible in the Routing Table: 38230
Prefixes from 32-bit ASNs in the Routing Table: 203264
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: 460
Number of addresses announced to Internet: 3109075456
Equivalent to 185 /8s, 80 /16s and 186 /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: 321955
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257615
Total APNIC prefixes after maximum aggregation: 77087
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 248823
Unique aggregates announced from the APNIC address blocks: 104203
APNIC Region origin ASes present in the Internet Routing Table: 14585
APNIC Prefixes per ASN: 17.06
APNIC Region origin ASes announcing only one prefix: 4451
APNIC Region transit ASes present in the Internet Routing Table: 1949
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: 10105
Number of APNIC addresses announced to Internet: 747662336
Equivalent to 44 /8s, 144 /16s and 108 /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: 291379
Total ARIN prefixes after maximum aggregation: 131002
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291851
Unique aggregates announced from the ARIN address blocks: 139265
ARIN Region origin ASes present in the Internet Routing Table: 19236
ARIN Prefixes per ASN: 15.17
ARIN Region origin ASes announcing only one prefix: 7056
ARIN Region transit ASes present in the Internet Routing Table: 1988
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: 5214
Number of ARIN addresses announced to Internet: 1352645888
Equivalent to 80 /8s, 159 /16s and 189 /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: 274002
Total RIPE prefixes after maximum aggregation: 134113
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272458
Unique aggregates announced from the RIPE address blocks: 174833
RIPE Region origin ASes present in the Internet Routing Table: 28916
RIPE Prefixes per ASN: 9.42
RIPE Region origin ASes announcing only one prefix: 12062
RIPE Region transit ASes present in the Internet Routing Table: 3978
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: 12449
Number of RIPE addresses announced to Internet: 731457536
Equivalent to 43 /8s, 153 /16s and 40 /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: 124140
Total LACNIC prefixes after maximum aggregation: 29452
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120519
Unique aggregates announced from the LACNIC address blocks: 48892
LACNIC Region origin ASes present in the Internet Routing Table: 11239
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2678
LACNIC Region transit ASes present in the Internet Routing Table: 2502
Average LACNIC Region AS path length visible: 5.9
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9187
Number of LACNIC addresses announced to Internet: 171854080
Equivalent to 10 /8s, 62 /16s and 73 /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: 35566
Total AfriNIC prefixes after maximum aggregation: 6674
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 49718
Unique aggregates announced from the AfriNIC address blocks: 13784
AfriNIC Region origin ASes present in the Internet Routing Table: 1907
AfriNIC Prefixes per ASN: 26.07
AfriNIC Region origin ASes announcing only one prefix: 688
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 102
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet: 105242624
Equivalent to 6 /8s, 69 /16s and 224 /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 11030 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4429 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 534 301 BBIL-AP BHARTI Airtel Ltd., IN
7552 3906 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 2868 853 535 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 13486 40825 5113 AMAZON-02, US
11492 4734 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3618 3053 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3410 8746 882 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3168 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3152 1316 2263 AKAMAI-AS, US
36352 2830 231 859 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 7714 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4065 3395 127 AKAMAI-ASN1, NL
9009 3832 335 2051 M247, RO
12389 3071 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2390 360 580 TELLCOM-AS, TR
212238 2154 152 1583 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 12169 3253 582 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2511 540 365 Mega Cable, S.A. de C.V., MX
11830 1980 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 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1198 371 22 Telefonica del Peru S.A.A., PE
22884 1062 70 379 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 1780 644 27 RAYA-AS, EG
24863 1653 389 17 LINKdotNET-AS, EG
29571 1608 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 1046 523 46 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 549 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 13486 40825 5113 AMAZON-02, US
8151 12169 3253 582 UNINET, MX
9808 11030 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7714 1714 148 UNI2-AS, ES
7545 6179 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4734 314 586 CABLEONE, US
18403 4429 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4288 534 301 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 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 12169 11587 UNINET, MX
9808 11030 10934 CHINAMOBILE-CN China Mobile Communications Grou
12479 7714 7566 UNI2-AS, ES
7545 6179 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4429 4404 FPT-AS-AP FPT Telecom Company, VN
11492 4734 4148 CABLEONE, US
9498 4288 3987 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 3938 AKAMAI-ASN1, NL
7552 3906 3880 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 /15:2165 /16:13894 /17:8265 /18:13676
/19:24633 /20:43975 /21:51704 /22:112002 /23:102340 /24:608906
/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 6630 7714 UNI2-AS, ES
8151 6360 12169 UNINET, MX
11492 3531 4734 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2744 3618 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2328 13486 AMAZON-02, US
30036 2235 2577 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 2:1526 3:779 4:9 5:4711 6:163
7:6 8:1580 9:1 11:172 12:1362 13:434
14:2520 15:354 16:285 17:376 18:921 20:528
21:4 22:188 23:7576 24:2806 25:2 27:2785
29:19 31:3273 32:36 33:1 34:80 35:207
36:2953 37:4626 38:9118 39:907 40:169 41:4233
42:1983 43:2587 44:383 45:18581 46:5077 47:301
49:1933 50:1883 51:590 52:1563 54:320 55:1098
56:11 57:261 58:2219 59:1220 60:1168 61:2790
62:2918 63:1805 64:5472 65:2065 66:4658 67:3070
68:1163 69:3932 70:1144 71:634 72:2862 74:2779
75:1519 76:615 77:2706 78:1910 79:1539 80:2205
81:2087 82:3135 83:1437 84:1867 85:3424 86:1067
87:2137 88:1322 89:4388 90:775 91:8369 92:2707
93:2899 94:4052 95:4334 96:1460 97:312 98:1019
99:686 100:71 101:1176 102:3885 103:32185 104:5054
105:766 106:1034 107:2672 108:1212 109:4023 110:2242
111:3287 112:2097 113:1796 114:1971 115:2174 116:2045
117:2576 118:2878 119:1910 120:1949 121:1381 122:2765
123:2191 124:1578 125:2855 126:91 128:1626 129:959
130:1313 131:1969 132:781 133:451 134:1538 135:333
136:1342 137:1261 138:2908 139:1599 140:1590 141:1502
142:1891 143:1765 144:1103 145:503 146:2190 147:2110
148:2703 149:2887 150:1213 151:1937 152:2090 153:564
154:8005 155:1978 156:3203 157:1914 158:1324 159:2447
160:3833 161:1840 162:3758 163:2170 164:1724 165:2206
166:1481 167:1888 168:4301 169:795 170:5088 171:1010
172:4383 173:3297 174:923 175:1295 176:3703 177:4760
178:3638 179:2323 180:2630 181:4066 182:3444 183:2087
184:2114 185:21591 186:5149 187:4512 188:4262 189:4323
190:9529 191:1478 192:11274 193:9474 194:7776 195:5525
196:3266 197:3656 198:6117 199:8487 200:8199 201:6349
202:10278 203:10629 204:4525 205:3604 206:4489 207:3498
208:4265 209:5133 210:4598 211:2532 212:4550 213:3730
214:1024 215:48 216:6750 217:3139 218:1347 219:379
220:2079 221:1096 222:722 223:2387
End of report
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