[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 19 21:40:09 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 19 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: 976654
Prefixes after maximum aggregation (per Origin AS): 373868
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475504
Number of IPv4 prefixes with a valid ROA: 536984
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 439491
Total ASes present in the Internet Routing Table: 76715
Prefixes per ASN: 12.73
Origin-only ASes present in the Internet Routing Table: 65785
Origin ASes announcing only one prefix: 26874
Transit ASes present in the Internet Routing Table: 10930
Transit-only ASes present in the Internet Routing Table: 546
Paths with bogon ASNs present in the IPv4 Routing Table: 320
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: 1140
Number of instances of unregistered ASNs: 1150
Number of 32-bit ASNs allocated by the RIRs: 46125
Number of 32-bit ASNs visible in the Routing Table: 37972
Prefixes from 32-bit ASNs in the Routing Table: 199744
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: 498
Number of addresses announced to Internet: 3107541248
Equivalent to 185 /8s, 57 /16s and 81 /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: 320217
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255436
Total APNIC prefixes after maximum aggregation: 76034
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247274
Unique aggregates announced from the APNIC address blocks: 102530
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: 4432
APNIC Region transit ASes present in the Internet Routing Table: 1946
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: 747938304
Equivalent to 44 /8s, 148 /16s and 162 /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: 289067
Total ARIN prefixes after maximum aggregation: 128412
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289823
Unique aggregates announced from the ARIN address blocks: 136689
ARIN Region origin ASes present in the Internet Routing Table: 19227
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7037
ARIN Region transit ASes present in the Internet Routing Table: 1985
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5171
Number of ARIN addresses announced to Internet: 1350401792
Equivalent to 80 /8s, 125 /16s and 127 /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: 272568
Total RIPE prefixes after maximum aggregation: 132727
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 270809
Unique aggregates announced from the RIPE address blocks: 173452
RIPE Region origin ASes present in the Internet Routing Table: 28860
RIPE Prefixes per ASN: 9.38
RIPE Region origin ASes announcing only one prefix: 12045
RIPE Region transit ASes present in the Internet Routing Table: 3975
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 45
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12325
Number of RIPE addresses announced to Internet: 732326144
Equivalent to 43 /8s, 166 /16s and 105 /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: 123568
Total LACNIC prefixes after maximum aggregation: 29236
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120239
Unique aggregates announced from the LACNIC address blocks: 48899
LACNIC Region origin ASes present in the Internet Routing Table: 11205
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2662
LACNIC Region transit ASes present in the Internet Routing Table: 2466
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: 9161
Number of LACNIC addresses announced to Internet: 171543040
Equivalent to 10 /8s, 57 /16s and 138 /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: 34875
Total AfriNIC prefixes after maximum aggregation: 6738
AfriNIC Deaggregation factor: 5.18
Prefixes being announced from the AfriNIC address blocks: 48010
Unique aggregates announced from the AfriNIC address blocks: 13518
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.10
AfriNIC Region origin ASes announcing only one prefix: 698
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: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274
Number of AfriNIC addresses announced to Internet: 105086720
Equivalent to 6 /8s, 67 /16s and 127 /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 10324 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6212 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4394 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 3263 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2833 845 538 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 12953 39645 3971 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
174 3647 8765 958 COGENT-174, US
6327 3622 1320 81 SHAW, CA
22773 3602 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3086 1305 2228 AKAMAI-AS, US
396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US
30036 2573 356 371 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 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4014 3395 129 AKAMAI-ASN1, NL
9009 3751 321 1937 M247, RO
12389 3003 2304 891 ROSTELECOM-AS, RU
34984 2370 361 582 TELLCOM-AS, TR
212238 2051 146 1511 CDNEXT, GB
8452 1608 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 11826 3241 582 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2508 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 21 Telefonica del Peru S.A.A., PE
11664 1162 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1067 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 1621 389 16 LINKdotNET-AS, EG
29571 1560 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 859 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 533 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 12953 39645 3971 AMAZON-02, US
8151 11826 3241 582 UNINET, MX
9808 10324 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7755 1714 145 UNI2-AS, ES
7545 6212 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4394 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 11826 11244 UNINET, MX
9808 10324 10236 CHINAMOBILE-CN China Mobile Communications Grou
12479 7755 7610 UNI2-AS, ES
7545 6212 5555 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4394 4369 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
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
23.136.36.0/24 Origin: 17378 AS17378, US
23.136.36.0/24 Transit: 6461 ZAYO-6461, US
23.136.44.0/24 Origin: 395881 SKYLINKHOSTINGLLC, ZZ
23.136.44.0/24 Transit: 40124 AS-CITSL, 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 /10:41 /11:93 /12:303
/13:585 /14:1225 /15:2168 /16:13966 /17:8299 /18:13741
/19:24609 /20:43765 /21:51700 /22:111886 /23:101112 /24:603128
/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 7755 UNI2-AS, ES
8151 6029 11826 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 3602 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2339 12953 AMAZON-02, US
30036 2231 2573 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)
----------------------------------------------
1:2336 2:1533 3:597 4:10 5:4554 6:162
7:6 8:1550 9:1 11:172 12:1375 13:346
14:2509 15:350 16:279 17:362 18:920 20:462
21:4 22:188 23:7358 24:3026 25:2 27:2743
29:19 31:3188 32:37 34:79 35:204 36:2398
37:4591 38:8855 39:900 40:154 41:4201 42:1984
43:2547 44:355 45:18394 46:4994 47:288 49:1983
50:1885 51:590 52:1556 54:302 55:1071 56:9
57:255 58:2206 59:1214 60:1165 61:2782 62:2899
63:1839 64:5497 65:2124 66:4626 67:2990 68:1150
69:3959 70:1163 71:623 72:2865 74:2803 75:1658
76:611 77:2696 78:1876 79:1734 80:2189 81:2024
82:2839 83:1391 84:1815 85:3378 86:1039 87:2157
88:1314 89:4307 90:782 91:8313 92:2788 93:2892
94:3915 95:4259 96:1422 97:315 98:1013 99:738
100:71 101:1049 102:3655 103:32177 104:4816 105:747
106:998 107:2618 108:1205 109:4100 110:2225 111:3319
112:2036 113:1792 114:1939 115:2157 116:2041 117:2752
118:2879 119:1955 120:1877 121:1360 122:2741 123:2181
124:1564 125:2871 126:88 128:1581 129:957 130:1273
131:1879 132:782 133:451 134:1529 135:327 136:1259
137:1245 138:2895 139:1612 140:1553 141:1482 142:1805
143:1643 144:1046 145:478 146:2156 147:2094 148:2604
149:2886 150:1243 151:2121 152:2100 153:570 154:7878
155:1614 156:3289 157:1911 158:1272 159:2425 160:3564
161:1954 162:3702 163:1932 164:1686 165:2193 166:1405
167:1886 168:4052 169:795 170:5109 171:1004 172:4468
173:3222 174:919 175:1260 176:3671 177:4698 178:3828
179:2350 180:2577 181:4035 182:3366 183:2065 184:2310
185:21515 186:5127 187:4378 188:4197 189:4162 190:9633
191:1511 192:11166 193:9427 194:7764 195:5554 196:3249
197:3641 198:6099 199:8377 200:8165 201:6285 202:10410
203:10614 204:4524 205:3600 206:4640 207:3481 208:4195
209:5141 210:4566 211:2527 212:4506 213:3730 214:1055
215:48 216:6583 217:3099 218:1327 219:371 220:2091
221:1056 222:720 223:2316
End of report
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