[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 15 21:39:53 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 15 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: 983035
Prefixes after maximum aggregation (per Origin AS): 378763
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479476
Number of IPv4 prefixes with a valid ROA: 545369
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 437486
Total ASes present in the Internet Routing Table: 76871
Prefixes per ASN: 12.79
Origin-only ASes present in the Internet Routing Table: 65859
Origin ASes announcing only one prefix: 26954
Transit ASes present in the Internet Routing Table: 11012
Transit-only ASes present in the Internet Routing Table: 554
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: 156
Max AS path prepend of ASN (153737) 150
Prefixes from unregistered ASNs in the Routing Table: 1125
Number of instances of unregistered ASNs: 1131
Number of 32-bit ASNs allocated by the RIRs: 46405
Number of 32-bit ASNs visible in the Routing Table: 38223
Prefixes from 32-bit ASNs in the Routing Table: 202638
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: 490
Number of addresses announced to Internet: 3108123136
Equivalent to 185 /8s, 66 /16s and 50 /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: 321766
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 257319
Total APNIC prefixes after maximum aggregation: 76888
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248569
Unique aggregates announced from the APNIC address blocks: 103028
APNIC Region origin ASes present in the Internet Routing Table: 14582
APNIC Prefixes per ASN: 17.05
APNIC Region origin ASes announcing only one prefix: 4446
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 156
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10103
Number of APNIC addresses announced to Internet: 747620608
Equivalent to 44 /8s, 143 /16s and 201 /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: 290449
Total ARIN prefixes after maximum aggregation: 130676
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 291760
Unique aggregates announced from the ARIN address blocks: 138777
ARIN Region origin ASes present in the Internet Routing Table: 19245
ARIN Prefixes per ASN: 15.16
ARIN Region origin ASes announcing only one prefix: 7054
ARIN Region transit ASes present in the Internet Routing Table: 1989
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: 5211
Number of ARIN addresses announced to Internet: 1352412672
Equivalent to 80 /8s, 156 /16s and 46 /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: 274039
Total RIPE prefixes after maximum aggregation: 134093
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 272109
Unique aggregates announced from the RIPE address blocks: 174452
RIPE Region origin ASes present in the Internet Routing Table: 28918
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12065
RIPE Region transit ASes present in the Internet Routing Table: 3986
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: 12442
Number of RIPE addresses announced to Internet: 730911488
Equivalent to 43 /8s, 144 /16s and 211 /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: 124490
Total LACNIC prefixes after maximum aggregation: 29604
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120152
Unique aggregates announced from the LACNIC address blocks: 48931
LACNIC Region origin ASes present in the Internet Routing Table: 11238
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2694
LACNIC Region transit ASes present in the Internet Routing Table: 2501
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9188
Number of LACNIC addresses announced to Internet: 171736832
Equivalent to 10 /8s, 60 /16s and 127 /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: 35613
Total AfriNIC prefixes after maximum aggregation: 6787
AfriNIC Deaggregation factor: 5.25
Prefixes being announced from the AfriNIC address blocks: 49954
Unique aggregates announced from the AfriNIC address blocks: 13884
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 26.14
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet: 105212160
Equivalent to 6 /8s, 69 /16s and 105 /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 10989 8756 96 CHINAMOBILE-CN China Mobile Communication
7545 6166 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4387 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4278 533 300 BBIL-AP BHARTI Airtel Ltd., IN
7552 3896 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3264 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 2165 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 13391 40828 4985 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 3462 8750 910 COGENT-174, US
749 3243 54815 2494 DNIC-AS-00749, US
396982 3166 3852 416 GOOGLE-CLOUD-PLATFORM, US
16625 3155 1320 2267 AKAMAI-AS, US
36352 2787 228 854 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 7693 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4064 3395 127 AKAMAI-ASN1, NL
9009 3773 325 1957 M247, RO
12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 581 TELLCOM-AS, TR
212238 2141 150 1575 CDNEXT, GB
8452 1607 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 12103 3247 582 UNINET, MX
10620 3500 480 1019 Telmex Colombia S.A., CO
13999 2517 540 364 Mega Cable, S.A. de C.V., MX
11830 1996 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 1059 70 380 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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
29571 1597 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 550 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 13391 40828 4985 AMAZON-02, US
8151 12103 3247 582 UNINET, MX
9808 10989 8756 96 CHINAMOBILE-CN China Mobile Communication
12479 7693 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 4387 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4278 533 300 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 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 12103 11521 UNINET, MX
9808 10989 10893 CHINAMOBILE-CN China Mobile Communications Grou
12479 7693 7545 UNI2-AS, ES
7545 6166 5512 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4387 4362 FPT-AS-AP FPT Telecom Company, VN
11492 4727 4135 CABLEONE, US
9498 4278 3978 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 3937 AKAMAI-ASN1, NL
7552 3896 3870 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
/13:582 /14:1223 /15:2167 /16:13975 /17:8257 /18:13709
/19:24622 /20:43914 /21:51676 /22:111899 /23:102040 /24:608506
/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 6611 7693 UNI2-AS, ES
8151 6300 12103 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 2333 13391 AMAZON-02, US
30036 2232 2573 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)
----------------------------------------------
1:2330 2:1531 3:737 4:11 5:4688 6:163
7:6 8:1583 9:1 11:172 12:1366 13:415
14:2519 15:353 16:284 17:374 18:919 20:518
21:4 22:188 23:7575 24:2801 25:2 27:2769
29:19 31:3265 32:36 33:1 34:80 35:204
36:2891 37:4636 38:9118 39:910 40:169 41:4213
42:1987 43:2581 44:385 45:18556 46:5059 47:301
49:1932 50:1896 51:590 52:1553 54:315 55:1094
56:11 57:258 58:2215 59:1215 60:1167 61:2777
62:2922 63:1816 64:5487 65:2062 66:4679 67:3072
68:1154 69:3937 70:1128 71:634 72:2844 74:2783
75:1623 76:614 77:2705 78:1896 79:1752 80:2200
81:2075 82:3135 83:1428 84:1863 85:3429 86:1068
87:2161 88:1322 89:4369 90:774 91:8345 92:2693
93:2899 94:4050 95:4320 96:1462 97:312 98:1020
99:686 100:72 101:1152 102:3924 103:32133 104:5040
105:763 106:1033 107:2665 108:1221 109:4077 110:2235
111:3319 112:2071 113:1785 114:1968 115:2175 116:2044
117:2657 118:2877 119:1954 120:1923 121:1374 122:2754
123:2174 124:1568 125:2845 126:91 128:1621 129:959
130:1298 131:1964 132:782 133:451 134:1542 135:332
136:1382 137:1259 138:2890 139:1597 140:1588 141:1505
142:1901 143:1750 144:1098 145:506 146:2168 147:2106
148:2686 149:2861 150:1211 151:1899 152:2087 153:564
154:8028 155:1962 156:3321 157:1899 158:1305 159:2451
160:3838 161:1881 162:3755 163:2145 164:1697 165:2194
166:1484 167:1906 168:4287 169:790 170:5088 171:1009
172:4476 173:3289 174:923 175:1302 176:3693 177:4678
178:3623 179:2269 180:2622 181:4071 182:3430 183:2118
184:2118 185:21571 186:5127 187:4435 188:4247 189:4264
190:9546 191:1469 192:11253 193:9495 194:7774 195:5512
196:3296 197:3639 198:6111 199:8458 200:8213 201:6341
202:10282 203:10611 204:4531 205:3527 206:4511 207:3501
208:4283 209:5153 210:4593 211:2541 212:4539 213:3730
214:1032 215:48 216:6732 217:3141 218:1342 219:381
220:2077 221:1086 222:718 223:2381
End of report
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