[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu May 1 21:40:04 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 01 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: 984443
Prefixes after maximum aggregation (per Origin AS): 376970
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 478792
Number of IPv4 prefixes with a valid ROA: 546653
Number of IPv4 prefixes with an invalid ROA: 167
Number of IPv4 prefixes with no ROA: 437623
Total ASes present in the Internet Routing Table: 76845
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65839
Origin ASes announcing only one prefix: 26932
Transit ASes present in the Internet Routing Table: 11006
Transit-only ASes present in the Internet Routing Table: 550
Paths with bogon ASNs present in the IPv4 Routing Table: 304
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1171
Number of instances of unregistered ASNs: 1174
Number of 32-bit ASNs allocated by the RIRs: 46308
Number of 32-bit ASNs visible in the Routing Table: 38173
Prefixes from 32-bit ASNs in the Routing Table: 201182
Number of bogon 32-bit ASNs visible in the Routing Table: 30
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3104585984
Equivalent to 185 /8s, 12 /16s and 57 /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: 325386
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256729
Total APNIC prefixes after maximum aggregation: 76760
APNIC Deaggregation factor: 3.34
Prefixes being announced from the APNIC address blocks: 247985
Unique aggregates announced from the APNIC address blocks: 103132
APNIC Region origin ASes present in the Internet Routing Table: 14597
APNIC Prefixes per ASN: 16.99
APNIC Region origin ASes announcing only one prefix: 4448
APNIC Region transit ASes present in the Internet Routing Table: 1967
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: 10108
Number of APNIC addresses announced to Internet: 747400448
Equivalent to 44 /8s, 140 /16s and 109 /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: 293754
Total ARIN prefixes after maximum aggregation: 129616
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 294977
Unique aggregates announced from the ARIN address blocks: 138434
ARIN Region origin ASes present in the Internet Routing Table: 19236
ARIN Prefixes per ASN: 15.33
ARIN Region origin ASes announcing only one prefix: 7037
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: 5196
Number of ARIN addresses announced to Internet: 1348742144
Equivalent to 80 /8s, 100 /16s and 44 /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: 273864
Total RIPE prefixes after maximum aggregation: 133752
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271768
Unique aggregates announced from the RIPE address blocks: 174039
RIPE Region origin ASes present in the Internet Routing Table: 28900
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12044
RIPE Region transit ASes present in the Internet Routing Table: 3989
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: 12416
Number of RIPE addresses announced to Internet: 731349504
Equivalent to 43 /8s, 151 /16s and 130 /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: 123477
Total LACNIC prefixes after maximum aggregation: 29365
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120009
Unique aggregates announced from the LACNIC address blocks: 48854
LACNIC Region origin ASes present in the Internet Routing Table: 11231
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2706
LACNIC Region transit ASes present in the Internet Routing Table: 2474
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: 9176
Number of LACNIC addresses announced to Internet: 171729152
Equivalent to 10 /8s, 60 /16s and 97 /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: 35448
Total AfriNIC prefixes after maximum aggregation: 6769
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49232
Unique aggregates announced from the AfriNIC address blocks: 13949
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.71
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet: 105142272
Equivalent to 6 /8s, 68 /16s and 88 /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 10454 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4325 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3265 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2859 851 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2188 11523 650 KIXS-AS-KR Korea Telecom, KR
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 13216 39693 4256 AMAZON-02, US
22773 7540 3054 218 ASN-CXA-ALL-CCI-22773-RDC, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
174 3645 8755 920 COGENT-174, US
6327 3621 1320 81 SHAW, CA
749 3253 54863 2504 DNIC-AS-00749, US
16625 3119 1311 2257 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2775 227 853 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 7704 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4059 3395 127 AKAMAI-ASN1, NL
9009 3771 326 1958 M247, RO
12389 3070 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2112 150 1555 CDNEXT, GB
8452 1645 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1421 366 33 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12026 3242 585 UNINET, MX
10620 3521 485 995 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1995 369 64 Instituto Costarricense de Electricidad y
28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1189 371 22 Telefonica del Peru S.A.A., PE
22884 1057 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1043 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
29571 1594 102 22 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 539 82 3 KENET-AS, KE
15399 521 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 13216 39693 4256 AMAZON-02, US
8151 12026 3242 585 UNINET, MX
9808 10454 8754 93 CHINAMOBILE-CN China Mobile Communication
12479 7704 1714 148 UNI2-AS, ES
22773 7540 3054 218 ASN-CXA-ALL-CCI-22773-RDC, US
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 CABLEONE, US
18403 4325 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 BBIL-AP BHARTI Airtel Ltd., IN
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 12026 11441 UNINET, MX
9808 10454 10361 CHINAMOBILE-CN China Mobile Communications Grou
12479 7704 7556 UNI2-AS, ES
22773 7540 7322 ASN-CXA-ALL-CCI-22773-RDC, US
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4325 4300 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 CABLEONE, US
9498 4237 3959 BBIL-AP BHARTI Airtel Ltd., IN
20940 4059 3932 AKAMAI-ASN1, NL
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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
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 /9:16 /10:41 /11:93 /12:300
/13:583 /14:1221 /15:2163 /16:13922 /17:8272 /18:13735
/19:24594 /20:43695 /21:51727 /22:112367 /23:103057 /24:608640
/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
22773 6662 7540 ASN-CXA-ALL-CCI-22773-RDC, US
12479 6626 7704 UNI2-AS, ES
8151 6230 12026 UNINET, MX
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
16509 2349 13216 AMAZON-02, US
30036 2234 2575 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2187 3521 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)
----------------------------------------------
1:2333 2:1525 3:645 4:9 5:4675 6:162
7:6 8:1554 9:1 11:172 12:1365 13:360
14:2514 15:353 16:282 17:368 18:913 20:514
21:4 22:188 23:7536 24:2863 25:2 27:2778
29:19 31:3226 32:36 33:1 34:80 35:205
36:2488 37:4691 38:9051 39:907 40:169 41:4195
42:1957 43:2576 44:378 45:18505 46:5048 47:293
49:1932 50:1900 51:590 52:1550 54:301 55:1087
56:11 57:256 58:2205 59:1213 60:1169 61:2772
62:2941 63:1824 64:5480 65:2119 66:4654 67:3068
68:1615 69:3930 70:1714 71:628 72:3337 74:2782
75:1618 76:614 77:2730 78:1895 79:1757 80:2199
81:2054 82:3220 83:1436 84:1849 85:3417 86:1047
87:2152 88:1317 89:4334 90:782 91:8333 92:2719
93:2903 94:4074 95:4357 96:1460 97:312 98:1364
99:668 100:72 101:1147 102:3908 103:32210 104:4814
105:751 106:1045 107:2643 108:1208 109:4072 110:2230
111:3334 112:2048 113:1795 114:1963 115:2207 116:2038
117:2747 118:2895 119:1955 120:1882 121:1375 122:2753
123:2176 124:1568 125:2848 126:91 128:1611 129:955
130:1302 131:1937 132:782 133:451 134:1544 135:329
136:1306 137:1256 138:2874 139:1622 140:1576 141:1493
142:1906 143:1677 144:1080 145:502 146:2159 147:2099
148:2676 149:2878 150:1254 151:1811 152:2103 153:566
154:8234 155:1657 156:3437 157:1899 158:1292 159:2440
160:3582 161:1913 162:3748 163:2109 164:1696 165:2195
166:1455 167:1876 168:4032 169:791 170:5066 171:1010
172:4425 173:3259 174:1033 175:1301 176:3661 177:4644
178:3689 179:2273 180:2608 181:4051 182:3392 183:2058
184:2239 185:21558 186:5093 187:4439 188:4211 189:4206
190:9507 191:1468 192:11241 193:9460 194:7765 195:5506
196:3299 197:3666 198:6134 199:8485 200:8193 201:6322
202:10398 203:10625 204:4519 205:3587 206:4624 207:3476
208:4257 209:5161 210:4590 211:2534 212:4527 213:3711
214:1030 215:48 216:6714 217:3147 218:1333 219:375
220:2076 221:1058 222:724 223:2348
End of report
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