[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 14 21:40:01 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 14 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: 985575
Prefixes after maximum aggregation (per Origin AS): 380347
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482280
Number of IPv4 prefixes with a valid ROA: 549771
Number of IPv4 prefixes with an invalid ROA: 184
Number of IPv4 prefixes with no ROA: 435620
Total ASes present in the Internet Routing Table: 76952
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65936
Origin ASes announcing only one prefix: 26884
Transit ASes present in the Internet Routing Table: 11016
Transit-only ASes present in the Internet Routing Table: 559
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: 56
Max AS path prepend of ASN ( 24691) 51
Prefixes from unregistered ASNs in the Routing Table: 1267
Number of instances of unregistered ASNs: 1301
Number of 32-bit ASNs allocated by the RIRs: 46645
Number of 32-bit ASNs visible in the Routing Table: 38359
Prefixes from 32-bit ASNs in the Routing Table: 203606
Number of bogon 32-bit ASNs visible in the Routing Table: 102
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3108932864
Equivalent to 185 /8s, 78 /16s and 141 /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: 322892
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258315
Total APNIC prefixes after maximum aggregation: 77119
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249847
Unique aggregates announced from the APNIC address blocks: 104308
APNIC Region origin ASes present in the Internet Routing Table: 14606
APNIC Prefixes per ASN: 17.11
APNIC Region origin ASes announcing only one prefix: 4446
APNIC Region transit ASes present in the Internet Routing Table: 1961
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10135
Number of APNIC addresses announced to Internet: 747898368
Equivalent to 44 /8s, 148 /16s and 6 /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: 290758
Total ARIN prefixes after maximum aggregation: 131257
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292632
Unique aggregates announced from the ARIN address blocks: 139366
ARIN Region origin ASes present in the Internet Routing Table: 19229
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7027
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: 5226
Number of ARIN addresses announced to Internet: 1352653824
Equivalent to 80 /8s, 159 /16s and 220 /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: 275409
Total RIPE prefixes after maximum aggregation: 134847
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274059
Unique aggregates announced from the RIPE address blocks: 175730
RIPE Region origin ASes present in the Internet Routing Table: 28939
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12056
RIPE Region transit ASes present in the Internet Routing Table: 3991
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 56
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12496
Number of RIPE addresses announced to Internet: 731275520
Equivalent to 43 /8s, 150 /16s and 97 /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: 124218
Total LACNIC prefixes after maximum aggregation: 29573
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120521
Unique aggregates announced from the LACNIC address blocks: 48967
LACNIC Region origin ASes present in the Internet Routing Table: 11263
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2654
LACNIC Region transit ASes present in the Internet Routing Table: 2506
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: 9216
Number of LACNIC addresses announced to Internet: 171833856
Equivalent to 10 /8s, 61 /16s and 250 /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: 35608
Total AfriNIC prefixes after maximum aggregation: 6709
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 48068
Unique aggregates announced from the AfriNIC address blocks: 13513
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 24.98
AfriNIC Region origin ASes announcing only one prefix: 701
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: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105064448
Equivalent to 6 /8s, 67 /16s and 40 /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 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
7545 6174 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4459 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4311 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3272 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2886 856 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2176 434 193 TATACOMM-AS TATA Communications formerly
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13670 40937 5233 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3862 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3607 3037 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3543 8745 880 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3186 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3139 1313 2258 AKAMAI-AS, US
36352 2816 230 856 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 7697 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4067 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2090 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 579 TELLCOM-AS, TR
212238 2241 164 1631 CDNEXT, GB
8452 1631 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1413 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 12195 3254 578 UNINET, MX
10620 3501 481 1018 Telmex Colombia S.A., CO
13999 2491 541 357 Mega Cable, S.A. de C.V., MX
11830 1990 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,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1201 371 22 Telefonica del Peru S.A.A., PE
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1035 2503 52 TIM SA, BR
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 1820 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1066 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 557 82 3 KENET-AS, KE
15399 530 56 53 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 13670 40937 5233 AMAZON-02, US
8151 12195 3254 578 UNINET, MX
9808 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7697 1713 148 UNI2-AS, ES
7545 6174 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4459 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4311 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 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 12195 11617 UNINET, MX
9808 11080 10980 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6174 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4459 4434 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4311 4007 BBIL-AP BHARTI Airtel Ltd., IN
20940 4067 3940 AKAMAI-ASN1, NL
7552 3919 3893 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
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, 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
23.155.208.0/24 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 /12:300
/13:584 /14:1220 /15:2161 /16:13899 /17:8246 /18:13687
/19:24573 /20:44003 /21:51744 /22:112097 /23:102706 /24:610191
/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 6617 7697 UNI2-AS, ES
8151 6413 12195 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2821 3862 VIASAT-SP-BACKBONE, US
22773 2735 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2371 13670 AMAZON-02, US
30036 2251 2593 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2188 3501 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)
----------------------------------------------
1:2360 2:1516 3:820 4:10 5:4758 6:162
7:6 8:1572 9:1 11:172 12:1346 13:454
14:2521 15:360 16:285 17:376 18:919 20:545
21:4 22:188 23:7640 24:2868 25:2 27:2782
29:19 31:3298 32:36 33:1 34:80 35:253
36:3088 37:4582 38:9361 39:907 40:166 41:4191
42:1996 43:2612 44:384 45:18579 46:5134 47:317
49:1941 50:1891 51:591 52:1568 54:328 55:1090
56:11 57:268 58:2219 59:1183 60:1171 61:2796
62:2940 63:1801 64:5468 65:2065 66:4666 67:3070
68:1157 69:3948 70:1134 71:632 72:2831 74:2799
75:1512 76:616 77:2720 78:1898 79:1719 80:2217
81:2054 82:3167 83:1446 84:1876 85:3462 86:1081
87:2147 88:1330 89:4417 90:770 91:8409 92:2729
93:2918 94:4002 95:4361 96:1467 97:311 98:1022
99:696 100:73 101:1411 102:3845 103:32227 104:5140
105:766 106:1035 107:2690 108:1244 109:4090 110:2228
111:3273 112:2124 113:1800 114:1989 115:2139 116:2059
117:2572 118:2888 119:1910 120:1999 121:1379 122:2779
123:2198 124:1587 125:2860 126:91 128:1619 129:952
130:1301 131:2032 132:780 133:449 134:1528 135:346
136:1351 137:1258 138:2839 139:1598 140:1603 141:1515
142:1901 143:1836 144:1163 145:544 146:2184 147:2106
148:2699 149:2889 150:1250 151:1971 152:2094 153:577
154:7333 155:1745 156:2998 157:1919 158:1328 159:2491
160:3605 161:1858 162:3858 163:2215 164:1854 165:1976
166:1493 167:1962 168:4025 169:798 170:5120 171:1023
172:4485 173:3327 174:927 175:1304 176:3705 177:4690
178:3724 179:2314 180:2637 181:4063 182:3442 183:2096
184:2126 185:21581 186:5194 187:4496 188:4261 189:4272
190:9611 191:1487 192:11316 193:9489 194:7812 195:5546
196:3287 197:3654 198:6122 199:8506 200:8221 201:6370
202:10283 203:10656 204:4551 205:3600 206:4504 207:3532
208:4279 209:5116 210:4608 211:2535 212:4580 213:3745
214:1029 215:48 216:6770 217:3169 218:1355 219:388
220:2078 221:1139 222:725 223:2468
End of report
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