[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 7 21:39:07 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 07 Jun, 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: 984622
Prefixes after maximum aggregation (per Origin AS): 379644
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 481967
Number of IPv4 prefixes with a valid ROA: 548854
Number of IPv4 prefixes with an invalid ROA: 189
Number of IPv4 prefixes with no ROA: 435579
Total ASes present in the Internet Routing Table: 76922
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65909
Origin ASes announcing only one prefix: 26943
Transit ASes present in the Internet Routing Table: 11013
Transit-only ASes present in the Internet Routing Table: 553
Paths with bogon ASNs present in the IPv4 Routing Table: 316
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 36
Max AS path prepend of ASN ( 40933) 31
Prefixes from unregistered ASNs in the Routing Table: 1127
Number of instances of unregistered ASNs: 1161
Number of 32-bit ASNs allocated by the RIRs: 46622
Number of 32-bit ASNs visible in the Routing Table: 38322
Prefixes from 32-bit ASNs in the Routing Table: 203015
Number of bogon 32-bit ASNs visible in the Routing Table: 100
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3109520128
Equivalent to 185 /8s, 87 /16s and 131 /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: 322507
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258086
Total APNIC prefixes after maximum aggregation: 77079
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249585
Unique aggregates announced from the APNIC address blocks: 104228
APNIC Region origin ASes present in the Internet Routing Table: 14601
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4462
APNIC Region transit ASes present in the Internet Routing Table: 1963
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: 10123
Number of APNIC addresses announced to Internet: 747828992
Equivalent to 44 /8s, 146 /16s and 247 /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: 290609
Total ARIN prefixes after maximum aggregation: 130984
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292376
Unique aggregates announced from the ARIN address blocks: 139476
ARIN Region origin ASes present in the Internet Routing Table: 19247
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7052
ARIN Region transit ASes present in the Internet Routing Table: 1995
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: 5229
Number of ARIN addresses announced to Internet: 1353201920
Equivalent to 80 /8s, 168 /16s and 57 /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: 275110
Total RIPE prefixes after maximum aggregation: 134628
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273637
Unique aggregates announced from the RIPE address blocks: 175285
RIPE Region origin ASes present in the Internet Routing Table: 28926
RIPE Prefixes per ASN: 9.46
RIPE Region origin ASes announcing only one prefix: 12055
RIPE Region transit ASes present in the Internet Routing Table: 3982
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: 12473
Number of RIPE addresses announced to Internet: 731292160
Equivalent to 43 /8s, 150 /16s and 162 /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: 124165
Total LACNIC prefixes after maximum aggregation: 29535
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120489
Unique aggregates announced from the LACNIC address blocks: 49019
LACNIC Region origin ASes present in the Internet Routing Table: 11258
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2677
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: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9213
Number of LACNIC addresses announced to Internet: 171924736
Equivalent to 10 /8s, 63 /16s and 93 /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: 35525
Total AfriNIC prefixes after maximum aggregation: 6708
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 48087
Unique aggregates announced from the AfriNIC address blocks: 13563
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 25.06
AfriNIC Region origin ASes announcing only one prefix: 697
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: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet: 105068544
Equivalent to 6 /8s, 67 /16s and 56 /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 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6181 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4474 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3267 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2881 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2172 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 13637 40956 5212 AMAZON-02, US
11492 4760 316 593 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3607 3037 211 ASN-CXA-ALL-CCI-22773-RDC, US
174 3413 8746 889 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3182 3853 424 GOOGLE-CLOUD-PLATFORM, US
16625 3140 1313 2263 AKAMAI-AS, US
36352 2815 230 855 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 7685 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4051 3395 127 AKAMAI-ASN1, NL
9009 3876 355 2083 M247, RO
12389 3109 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2247 163 1638 CDNEXT, GB
8452 1635 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1414 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 12182 3255 582 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2548 540 363 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
11664 1195 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1038 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 1780 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1614 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1247 553 104 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1050 520 44 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 558 82 3 KENET-AS, KE
15399 522 55 48 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 13637 40956 5212 AMAZON-02, US
8151 12182 3255 582 UNINET, MX
9808 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7685 1714 148 UNI2-AS, ES
7545 6181 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 CABLEONE, US
18403 4474 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4051 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 12182 11600 UNINET, MX
9808 11065 10968 CHINAMOBILE-CN China Mobile Communications Grou
12479 7685 7537 UNI2-AS, ES
7545 6181 5530 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4474 4449 FPT-AS-AP FPT Telecom Company, VN
11492 4760 4167 CABLEONE, US
9498 4303 3999 BBIL-AP BHARTI Airtel Ltd., IN
20940 4051 3924 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
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
395195 UNALLOCATED 8.38.115.0/24 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
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:299
/13:584 /14:1221 /15:2163 /16:13894 /17:8259 /18:13700
/19:24595 /20:43988 /21:51727 /22:112057 /23:102557 /24:609414
/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 6604 7685 UNI2-AS, ES
8151 6383 12182 UNINET, MX
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2735 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2384 13637 AMAZON-02, US
30036 2246 2588 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 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)
----------------------------------------------
1:2369 2:1518 3:807 4:9 5:4717 6:162
7:6 8:1573 9:1 11:172 12:1356 13:438
14:2520 15:361 16:285 17:376 18:920 20:544
21:4 22:188 23:7610 24:2807 25:2 27:2787
29:19 31:3280 32:36 33:1 34:80 35:254
36:3056 37:4599 38:9208 39:910 40:172 41:4199
42:1990 43:2603 44:381 45:18536 46:5126 47:318
49:1937 50:1884 51:591 52:1570 54:321 55:1084
56:11 57:263 58:2212 59:1185 60:1171 61:2791
62:2936 63:1802 64:5469 65:2066 66:4652 67:3064
68:1157 69:3946 70:1138 71:636 72:2858 74:2800
75:1518 76:616 77:2716 78:1910 79:1708 80:2213
81:2057 82:3134 83:1448 84:1872 85:3449 86:1077
87:2144 88:1329 89:4398 90:770 91:8382 92:2711
93:2920 94:4047 95:4362 96:1462 97:311 98:1020
99:697 100:73 101:1409 102:3852 103:32212 104:5100
105:755 106:1034 107:2679 108:1250 109:4071 110:2240
111:3272 112:2130 113:1805 114:1981 115:2141 116:2053
117:2566 118:2894 119:1909 120:1972 121:1383 122:2770
123:2194 124:1585 125:2861 126:91 128:1606 129:965
130:1307 131:1995 132:781 133:449 134:1548 135:334
136:1352 137:1267 138:2891 139:1599 140:1599 141:1498
142:1901 143:1819 144:1130 145:528 146:2186 147:2118
148:2717 149:2892 150:1247 151:1945 152:2086 153:587
154:7435 155:1734 156:3013 157:1907 158:1324 159:2493
160:3607 161:1853 162:3811 163:2193 164:1863 165:2222
166:1470 167:1947 168:4003 169:797 170:5121 171:1021
172:4452 173:3318 174:925 175:1299 176:3700 177:4685
178:3703 179:2302 180:2638 181:4078 182:3448 183:2094
184:2118 185:21604 186:5154 187:4507 188:4243 189:4293
190:9578 191:1475 192:11305 193:9475 194:7800 195:5538
196:3269 197:3652 198:6114 199:8512 200:8214 201:6351
202:10268 203:10656 204:4549 205:3605 206:4496 207:3500
208:4253 209:5114 210:4609 211:2530 212:4578 213:3736
214:1028 215:48 216:6781 217:3148 218:1356 219:380
220:2082 221:1125 222:723 223:2447
End of report
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