[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 20 21:40:05 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 20 Mar, 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: 977417
Prefixes after maximum aggregation (per Origin AS): 374087
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475713
Number of IPv4 prefixes with a valid ROA: 537509
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 439729
Total ASes present in the Internet Routing Table: 76709
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65785
Origin ASes announcing only one prefix: 26858
Transit ASes present in the Internet Routing Table: 10924
Transit-only ASes present in the Internet Routing Table: 545
Paths with bogon ASNs present in the IPv4 Routing Table: 318
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 63
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1173
Number of instances of unregistered ASNs: 1183
Number of 32-bit ASNs allocated by the RIRs: 46115
Number of 32-bit ASNs visible in the Routing Table: 37971
Prefixes from 32-bit ASNs in the Routing Table: 199969
Number of bogon 32-bit ASNs visible in the Routing Table: 50
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 531
Number of addresses announced to Internet: 3107725824
Equivalent to 185 /8s, 60 /16s and 34 /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: 320497
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255506
Total APNIC prefixes after maximum aggregation: 76066
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247321
Unique aggregates announced from the APNIC address blocks: 102562
APNIC Region origin ASes present in the Internet Routing Table: 14532
APNIC Prefixes per ASN: 17.02
APNIC Region origin ASes announcing only one prefix: 4428
APNIC Region transit ASes present in the Internet Routing Table: 1947
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 50
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10041
Number of APNIC addresses announced to Internet: 747951872
Equivalent to 44 /8s, 148 /16s and 215 /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: 289323
Total ARIN prefixes after maximum aggregation: 128520
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290076
Unique aggregates announced from the ARIN address blocks: 136789
ARIN Region origin ASes present in the Internet Routing Table: 19227
ARIN Prefixes per ASN: 15.09
ARIN Region origin ASes announcing only one prefix: 7028
ARIN Region transit ASes present in the Internet Routing Table: 1981
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: 5169
Number of ARIN addresses announced to Internet: 1350422016
Equivalent to 80 /8s, 125 /16s and 206 /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: 272828
Total RIPE prefixes after maximum aggregation: 132805
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271057
Unique aggregates announced from the RIPE address blocks: 173478
RIPE Region origin ASes present in the Internet Routing Table: 28859
RIPE Prefixes per ASN: 9.39
RIPE Region origin ASes announcing only one prefix: 12040
RIPE Region transit ASes present in the Internet Routing Table: 3972
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12325
Number of RIPE addresses announced to Internet: 732435200
Equivalent to 43 /8s, 168 /16s and 19 /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: 123622
Total LACNIC prefixes after maximum aggregation: 29223
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120267
Unique aggregates announced from the LACNIC address blocks: 48898
LACNIC Region origin ASes present in the Internet Routing Table: 11201
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2667
LACNIC Region transit ASes present in the Internet Routing Table: 2465
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9163
Number of LACNIC addresses announced to Internet: 171593216
Equivalent to 10 /8s, 58 /16s and 78 /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: 34965
Total AfriNIC prefixes after maximum aggregation: 6744
AfriNIC Deaggregation factor: 5.18
Prefixes being announced from the AfriNIC address blocks: 48164
Unique aggregates announced from the AfriNIC address blocks: 13549
AfriNIC Region origin ASes present in the Internet Routing Table: 1910
AfriNIC Prefixes per ASN: 25.22
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 378
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 63
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273
Number of AfriNIC addresses announced to Internet: 105069568
Equivalent to 6 /8s, 67 /16s and 60 /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 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4389 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4214 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2839 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2149 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 12954 39643 3982 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
174 3607 8765 958 COGENT-174, US
22773 3601 3054 220 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3093 1306 2231 AKAMAI-AS, US
396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US
30036 2570 356 376 MEDIACOM-ENTERPRISE-BUSINESS, 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 7757 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4017 3395 129 AKAMAI-ASN1, NL
9009 3769 325 1954 M247, RO
12389 3001 2303 890 ROSTELECOM-AS, RU
34984 2368 360 584 TELLCOM-AS, TR
212238 2050 146 1510 CDNEXT, GB
8452 1613 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1489 98 747 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 11832 3240 584 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2507 539 368 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
11664 1164 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
22884 1049 70 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1703 599 30 RAYA-AS, EG
24863 1621 389 16 LINKdotNET-AS, EG
29571 1561 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 883 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 540 82 3 KENET-AS, 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 12954 39643 3982 AMAZON-02, US
8151 11832 3240 584 UNINET, MX
9808 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7757 1714 145 UNI2-AS, ES
7545 6215 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4389 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4214 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4174 286 83 VIASAT-SP-BACKBONE, US
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 11832 11248 UNINET, MX
9808 10327 10239 CHINAMOBILE-CN China Mobile Communications Grou
12479 7757 7612 UNI2-AS, ES
7545 6215 5556 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4389 4364 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4214 3941 BBIL-AP BHARTI Airtel Ltd., IN
20940 4017 3888 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 /12:303
/13:585 /14:1225 /15:2168 /16:13963 /17:8295 /18:13735
/19:24627 /20:43764 /21:51729 /22:112002 /23:101224 /24:603630
/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 6690 7757 UNI2-AS, ES
8151 6034 11832 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2720 3601 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2341 12954 AMAZON-02, US
30036 2228 2570 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3523 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)
----------------------------------------------
1:2329 2:1531 3:598 4:10 5:4568 6:162
7:6 8:1550 9:1 11:172 12:1372 13:346
14:2508 15:350 16:279 17:362 18:919 20:463
21:4 22:188 23:7363 24:3028 25:2 27:2760
29:19 31:3207 32:37 34:79 35:205 36:2398
37:4627 38:8869 39:898 40:154 41:4202 42:1986
43:2561 44:355 45:18443 46:4988 47:287 49:1983
50:1888 51:590 52:1556 54:301 55:1070 56:9
57:252 58:2206 59:1215 60:1167 61:2783 62:2898
63:1837 64:5500 65:2122 66:4625 67:3009 68:1152
69:3967 70:1163 71:623 72:2866 74:2809 75:1658
76:612 77:2700 78:1877 79:1739 80:2192 81:2025
82:2857 83:1391 84:1815 85:3375 86:1037 87:2160
88:1313 89:4324 90:782 91:8318 92:2793 93:2893
94:3918 95:4271 96:1425 97:314 98:1017 99:738
100:71 101:1049 102:3643 103:32191 104:4820 105:747
106:998 107:2613 108:1205 109:4116 110:2225 111:3321
112:2037 113:1786 114:1940 115:2158 116:2041 117:2752
118:2875 119:1955 120:1876 121:1360 122:2744 123:2182
124:1564 125:2871 126:88 128:1583 129:958 130:1285
131:1885 132:782 133:451 134:1528 135:329 136:1276
137:1243 138:2897 139:1611 140:1553 141:1483 142:1819
143:1637 144:1045 145:482 146:2161 147:2096 148:2617
149:2888 150:1245 151:2027 152:2099 153:571 154:7892
155:1613 156:3303 157:1910 158:1272 159:2428 160:3560
161:1954 162:3709 163:1930 164:1697 165:2208 166:1412
167:1885 168:4058 169:796 170:5106 171:1004 172:4478
173:3222 174:919 175:1270 176:3675 177:4702 178:3822
179:2354 180:2585 181:4035 182:3366 183:2064 184:2312
185:21525 186:5115 187:4386 188:4216 189:4184 190:9626
191:1503 192:11168 193:9432 194:7770 195:5558 196:3266
197:3655 198:6106 199:8399 200:8182 201:6283 202:10406
203:10613 204:4521 205:3619 206:4636 207:3481 208:4190
209:5143 210:4559 211:2527 212:4507 213:3741 214:1058
215:48 216:6586 217:3096 218:1327 219:371 220:2091
221:1057 222:720 223:2318
End of report
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