[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jul 16 21:40:07 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 16 Jul, 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: 986929
Prefixes after maximum aggregation (per Origin AS): 383058
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486679
Number of IPv4 prefixes with a valid ROA: 555187
Number of IPv4 prefixes with an invalid ROA: 173
Number of IPv4 prefixes with no ROA: 431569
Total ASes present in the Internet Routing Table: 77049
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65970
Origin ASes announcing only one prefix: 26925
Transit ASes present in the Internet Routing Table: 11079
Transit-only ASes present in the Internet Routing Table: 568
Paths with bogon ASNs present in the IPv4 Routing Table: 320
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1244
Number of instances of unregistered ASNs: 1280
Number of 32-bit ASNs allocated by the RIRs: 46838
Number of 32-bit ASNs visible in the Routing Table: 38571
Prefixes from 32-bit ASNs in the Routing Table: 205304
Number of bogon 32-bit ASNs visible in the Routing Table: 105
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 472
Number of addresses announced to Internet: 3106071808
Equivalent to 185 /8s, 34 /16s and 229 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 322489
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261011
Total APNIC prefixes after maximum aggregation: 77764
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252036
Unique aggregates announced from the APNIC address blocks: 105138
APNIC Region origin ASes present in the Internet Routing Table: 14701
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 4498
APNIC Region transit ASes present in the Internet Routing Table: 1983
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10240
Number of APNIC addresses announced to Internet: 748835072
Equivalent to 44 /8s, 162 /16s and 81 /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: 290580
Total ARIN prefixes after maximum aggregation: 131985
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292445
Unique aggregates announced from the ARIN address blocks: 140836
ARIN Region origin ASes present in the Internet Routing Table: 19213
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7025
ARIN Region transit ASes present in the Internet Routing Table: 2001
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: 5251
Number of ARIN addresses announced to Internet: 1349159680
Equivalent to 80 /8s, 106 /16s and 139 /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: 276623
Total RIPE prefixes after maximum aggregation: 135977
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275572
Unique aggregates announced from the RIPE address blocks: 177278
RIPE Region origin ASes present in the Internet Routing Table: 28945
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12050
RIPE Region transit ASes present in the Internet Routing Table: 3992
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: 12557
Number of RIPE addresses announced to Internet: 731970304
Equivalent to 43 /8s, 160 /16s and 251 /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: 124168
Total LACNIC prefixes after maximum aggregation: 29755
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 120482
Unique aggregates announced from the LACNIC address blocks: 49167
LACNIC Region origin ASes present in the Internet Routing Table: 11275
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2659
LACNIC Region transit ASes present in the Internet Routing Table: 2534
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9232
Number of LACNIC addresses announced to Internet: 171048960
Equivalent to 10 /8s, 50 /16s and 0 /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: 33303
Total AfriNIC prefixes after maximum aggregation: 6732
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 45921
Unique aggregates announced from the AfriNIC address blocks: 13837
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 23.88
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 384
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291
Number of AfriNIC addresses announced to Internet: 104734464
Equivalent to 6 /8s, 62 /16s and 31 /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 11818 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6149 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4474 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4392 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3699 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2736 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2185 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 13621 40957 5255 AMAZON-02, US
11492 4812 319 611 CABLEONE, US
7155 3856 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3472 8770 854 COGENT-174, US
22773 3342 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3224 54766 2475 DNIC-AS-00749, US
396982 3195 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3064 1298 2227 AKAMAI-AS, US
4155 2865 217 1732 USDA-1, 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 7624 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4070 3395 127 AKAMAI-ASN1, NL
9009 3787 361 2108 M247, RO
12389 3118 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 583 TELLCOM-AS, TR
212238 2323 164 1693 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1558 1852 14 TE-AS TE-AS, EG
203020 1476 164 649 HOSTROYALE, IN
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 12315 3255 574 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2526 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 21 Telefonica del Peru S.A.A., PE
11664 1192 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1068 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 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 1690 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1210 1477 335 ETISALAT-MISR, EG
36935 822 520 43 Vodafone-, EG
37069 702 1112 11 MOBINIL, EG
24863 658 389 22 LINKdotNET-AS, EG
36914 571 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
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 13621 40957 5255 AMAZON-02, US
8151 12315 3255 574 UNINET, MX
9808 11818 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7624 1713 150 UNI2-AS, ES
7545 6149 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4812 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4474 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4392 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4070 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 12315 11741 UNINET, MX
9808 11818 11702 CHINAMOBILE-CN China Mobile Communications Grou
12479 7624 7474 UNI2-AS, ES
7545 6149 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4474 4449 FPT-AS-AP FPT Telecom Company, VN
11492 4812 4201 CABLEONE, US
9498 4392 4081 BBIL-AP BHARTI Airtel Ltd., IN
20940 4070 3943 AKAMAI-ASN1, NL
7552 3918 3891 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
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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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: 21859 ZEN-ECN, 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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, 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 /9:14 /10:41 /11:92 /12:298
/13:582 /14:1209 /15:2140 /16:13753 /17:8216 /18:13489
/19:24447 /20:43563 /21:51620 /22:111215 /23:102687 /24:613546
/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 6564 7624 UNI2-AS, ES
8151 6536 12315 UNINET, MX
11492 3606 4812 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2815 3856 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2333 13621 AMAZON-02, US
30036 2265 2606 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2200 3513 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)
----------------------------------------------
1:2397 2:1529 3:848 4:10 5:4735 6:163
7:6 8:1555 9:1 11:172 12:1336 13:450
14:2554 15:365 16:286 17:381 18:889 20:556
21:4 22:188 23:7730 24:2725 25:2 27:2826
29:19 31:3339 32:35 33:1 34:80 35:256
36:3547 37:4568 38:9420 39:909 40:254 41:4144
42:1964 43:2677 44:373 45:18525 46:5116 47:337
49:1884 50:1951 51:591 52:1554 54:324 55:1105
56:11 57:273 58:2182 59:1227 60:1174 61:2789
62:2945 63:1798 64:5529 65:2045 66:4714 67:3104
68:1085 69:3898 70:1043 71:630 72:2848 74:2791
75:1507 76:608 77:2764 78:1920 79:1706 80:2198
81:2076 82:3183 83:1437 84:1893 85:3467 86:1083
87:2136 88:1347 89:4425 90:776 91:8413 92:2752
93:2949 94:4077 95:4435 96:1466 97:310 98:955
99:700 100:72 101:1179 102:3927 103:32254 104:5271
105:742 106:968 107:2636 108:1256 109:4165 110:2231
111:3285 112:2228 113:1839 114:1955 115:2254 116:2063
117:2579 118:2985 119:1903 120:2127 121:1333 122:2789
123:2243 124:1628 125:2876 126:90 128:1621 129:965
130:1298 131:2047 132:775 133:450 134:1580 135:350
136:1463 137:1271 138:2797 139:1587 140:1636 141:1520
142:1908 143:1980 144:1182 145:560 146:2180 147:2103
148:2695 149:2938 150:1231 151:2231 152:2099 153:591
154:7541 155:1833 156:3048 157:1932 158:1344 159:2511
160:3616 161:1862 162:3866 163:2258 164:1865 165:2107
166:1522 167:2019 168:3976 169:782 170:5130 171:1006
172:4431 173:3381 174:918 175:1324 176:3721 177:4703
178:3944 179:2308 180:2603 181:4097 182:3506 183:2149
184:2087 185:21594 186:5202 187:4641 188:4268 189:4321
190:9548 191:1499 192:11348 193:9481 194:7773 195:5577
196:3288 197:3140 198:6117 199:8570 200:8221 201:6383
202:10378 203:10660 204:4592 205:3610 206:4534 207:3552
208:4291 209:5117 210:4625 211:2590 212:4555 213:3825
214:1024 215:46 216:6785 217:3206 218:1364 219:393
220:2143 221:1193 222:744 223:2672
End of report
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