[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 16 21:40:13 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 16 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: 976631
Prefixes after maximum aggregation (per Origin AS): 373936
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476278
Number of IPv4 prefixes with a valid ROA: 536646
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 439804
Total ASes present in the Internet Routing Table: 76695
Prefixes per ASN: 12.73
Origin-only ASes present in the Internet Routing Table: 65744
Origin ASes announcing only one prefix: 26865
Transit ASes present in the Internet Routing Table: 10951
Transit-only ASes present in the Internet Routing Table: 546
Paths with bogon ASNs present in the IPv4 Routing Table: 308
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1153
Number of instances of unregistered ASNs: 1158
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 37945
Prefixes from 32-bit ASNs in the Routing Table: 199745
Number of bogon 32-bit ASNs visible in the Routing Table: 32
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 506
Number of addresses announced to Internet: 3109945600
Equivalent to 185 /8s, 94 /16s and 1 /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: 320259
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255371
Total APNIC prefixes after maximum aggregation: 75994
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247245
Unique aggregates announced from the APNIC address blocks: 102656
APNIC Region origin ASes present in the Internet Routing Table: 14519
APNIC Prefixes per ASN: 17.03
APNIC Region origin ASes announcing only one prefix: 4428
APNIC Region transit ASes present in the Internet Routing Table: 1961
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 45
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10028
Number of APNIC addresses announced to Internet: 748279296
Equivalent to 44 /8s, 153 /16s and 214 /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: 288898
Total ARIN prefixes after maximum aggregation: 128473
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289764
Unique aggregates announced from the ARIN address blocks: 136600
ARIN Region origin ASes present in the Internet Routing Table: 19225
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7034
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: 5170
Number of ARIN addresses announced to Internet: 1352617216
Equivalent to 80 /8s, 159 /16s and 77 /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: 272772
Total RIPE prefixes after maximum aggregation: 132726
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 270859
Unique aggregates announced from the RIPE address blocks: 173298
RIPE Region origin ASes present in the Internet Routing Table: 28861
RIPE Prefixes per ASN: 9.38
RIPE Region origin ASes announcing only one prefix: 12052
RIPE Region transit ASes present in the Internet Routing Table: 3978
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: 12317
Number of RIPE addresses announced to Internet: 732229632
Equivalent to 43 /8s, 164 /16s and 240 /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: 123461
Total LACNIC prefixes after maximum aggregation: 29242
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120218
Unique aggregates announced from the LACNIC address blocks: 48834
LACNIC Region origin ASes present in the Internet Routing Table: 11207
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2658
LACNIC Region transit ASes present in the Internet Routing Table: 2468
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: 9162
Number of LACNIC addresses announced to Internet: 171543808
Equivalent to 10 /8s, 57 /16s and 141 /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: 34976
Total AfriNIC prefixes after maximum aggregation: 6775
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 48038
Unique aggregates announced from the AfriNIC address blocks: 14470
AfriNIC Region origin ASes present in the Internet Routing Table: 1905
AfriNIC Prefixes per ASN: 25.22
AfriNIC Region origin ASes announcing only one prefix: 693
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: 1268
Number of AfriNIC addresses announced to Internet: 105029120
Equivalent to 6 /8s, 66 /16s and 158 /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 10325 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6213 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4381 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 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 3266 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2837 847 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2150 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 12915 39643 3962 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
174 3663 8766 950 COGENT-174, US
6327 3621 1320 81 SHAW, CA
22773 3601 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3065 1297 2215 AKAMAI-AS, US
396982 2942 3660 455 GOOGLE-CLOUD-PLATFORM, US
30036 2563 356 401 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 7756 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4009 3395 129 AKAMAI-ASN1, NL
9009 3757 322 1939 M247, RO
12389 2984 2303 890 ROSTELECOM-AS, RU
34984 2369 361 582 TELLCOM-AS, TR
212238 2042 147 1507 CDNEXT, GB
8452 1607 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1485 98 744 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 11819 3240 581 UNINET, MX
10620 3524 487 971 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 1156 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 1683 599 30 RAYA-AS, EG
24863 1619 389 16 LINKdotNET-AS, EG
29571 1562 103 64 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 855 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 537 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 12915 39643 3962 AMAZON-02, US
8151 11819 3240 581 UNINET, MX
9808 10325 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7756 1714 145 UNI2-AS, ES
7545 6213 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4381 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 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 11819 11238 UNINET, MX
9808 10325 10237 CHINAMOBILE-CN China Mobile Communications Grou
12479 7756 7611 UNI2-AS, ES
7545 6213 5554 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4381 4356 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 3886 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
23.138.40.0/22 Origin: 964 IONSWITCH-NW, US
23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US
23.138.41.0/24 Origin: 964 IONSWITCH-NW, US
23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, 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
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 /10:42 /11:92 /12:304
/13:586 /14:1224 /15:2168 /16:13961 /17:8289 /18:13743
/19:24586 /20:43765 /21:51704 /22:111853 /23:101058 /24:603223
/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 6694 7756 UNI2-AS, ES
8151 6024 11819 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2719 3601 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2343 12915 AMAZON-02, US
30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 3524 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)
----------------------------------------------
1:2339 2:1534 3:593 4:10 5:4577 6:162
7:6 8:1549 9:1 11:172 12:1375 13:347
14:2509 15:350 16:279 17:363 18:919 20:462
21:4 22:188 23:7348 24:3023 25:2 27:2741
29:19 31:3197 32:36 34:79 35:203 36:2401
37:4623 38:8940 39:899 40:154 41:4239 42:1959
43:2553 44:356 45:18394 46:5031 47:287 49:1982
50:1884 51:590 52:1555 54:301 55:1054 56:9
57:246 58:2184 59:1205 60:1165 61:2779 62:2896
63:1832 64:5496 65:2111 66:4631 67:3012 68:1148
69:3950 70:1163 71:623 72:2867 74:2784 75:1656
76:611 77:2694 78:1875 79:1725 80:2192 81:2019
82:2799 83:1393 84:1814 85:3368 86:1034 87:2165
88:1316 89:4331 90:783 91:8321 92:2793 93:2890
94:3906 95:4269 96:1415 97:317 98:1009 99:738
100:71 101:1131 102:3639 103:32191 104:4829 105:749
106:999 107:2622 108:1206 109:4116 110:2226 111:3316
112:2035 113:1792 114:1935 115:2158 116:2039 117:2758
118:2883 119:1956 120:1878 121:1360 122:2732 123:2177
124:1560 125:2871 126:88 128:1582 129:956 130:1276
131:1878 132:781 133:451 134:1531 135:328 136:1284
137:1246 138:2889 139:1619 140:1551 141:1478 142:1803
143:1648 144:1047 145:482 146:2160 147:2092 148:2597
149:2886 150:1237 151:2115 152:2104 153:571 154:7828
155:1624 156:3283 157:1918 158:1271 159:2430 160:3552
161:1946 162:3688 163:1918 164:1698 165:2183 166:1397
167:1876 168:4060 169:797 170:5099 171:1004 172:4449
173:3226 174:919 175:1265 176:3668 177:4752 178:3812
179:2304 180:2583 181:4032 182:3370 183:2066 184:2311
185:21511 186:5129 187:4365 188:4210 189:4175 190:9659
191:1495 192:11179 193:9423 194:7763 195:5548 196:3266
197:3646 198:6112 199:8371 200:8187 201:6297 202:10389
203:10597 204:4513 205:3619 206:4609 207:3480 208:4179
209:5137 210:4568 211:2526 212:4511 213:3734 214:1055
215:42 216:6584 217:3099 218:1327 219:371 220:2093
221:1056 222:719 223:2318
End of report
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