[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Mar 31 21:40:11 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 31 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: 977845
Prefixes after maximum aggregation (per Origin AS): 374704
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476738
Number of IPv4 prefixes with a valid ROA: 538724
Number of IPv4 prefixes with an invalid ROA: 174
Number of IPv4 prefixes with no ROA: 438947
Total ASes present in the Internet Routing Table: 76746
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65797
Origin ASes announcing only one prefix: 26889
Transit ASes present in the Internet Routing Table: 10949
Transit-only ASes present in the Internet Routing Table: 549
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: 56
Max AS path prepend of ASN (135823) 50
Prefixes from unregistered ASNs in the Routing Table: 1152
Number of instances of unregistered ASNs: 1157
Number of 32-bit ASNs allocated by the RIRs: 46117
Number of 32-bit ASNs visible in the Routing Table: 38014
Prefixes from 32-bit ASNs in the Routing Table: 200084
Number of bogon 32-bit ASNs visible in the Routing Table: 34
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 474
Number of addresses announced to Internet: 3107077632
Equivalent to 185 /8s, 50 /16s and 62 /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: 321128
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255406
Total APNIC prefixes after maximum aggregation: 76210
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247173
Unique aggregates announced from the APNIC address blocks: 102693
APNIC Region origin ASes present in the Internet Routing Table: 14537
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4445
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 56
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10048
Number of APNIC addresses announced to Internet: 747755264
Equivalent to 44 /8s, 145 /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: 289351
Total ARIN prefixes after maximum aggregation: 128708
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 289980
Unique aggregates announced from the ARIN address blocks: 137212
ARIN Region origin ASes present in the Internet Routing Table: 19242
ARIN Prefixes per ASN: 15.07
ARIN Region origin ASes announcing only one prefix: 7050
ARIN Region transit ASes present in the Internet Routing Table: 1977
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: 5174
Number of ARIN addresses announced to Internet: 1349973504
Equivalent to 80 /8s, 118 /16s and 246 /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: 273205
Total RIPE prefixes after maximum aggregation: 133095
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271610
Unique aggregates announced from the RIPE address blocks: 173955
RIPE Region origin ASes present in the Internet Routing Table: 28871
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12034
RIPE Region transit ASes present in the Internet Routing Table: 3981
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12353
Number of RIPE addresses announced to Internet: 732407808
Equivalent to 43 /8s, 167 /16s and 168 /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: 123750
Total LACNIC prefixes after maximum aggregation: 29249
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120455
Unique aggregates announced from the LACNIC address blocks: 48828
LACNIC Region origin ASes present in the Internet Routing Table: 11220
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: 2449
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: 9172
Number of LACNIC addresses announced to Internet: 171687424
Equivalent to 10 /8s, 59 /16s and 190 /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: 34981
Total AfriNIC prefixes after maximum aggregation: 6720
AfriNIC Deaggregation factor: 5.21
Prefixes being announced from the AfriNIC address blocks: 48152
Unique aggregates announced from the AfriNIC address blocks: 13643
AfriNIC Region origin ASes present in the Internet Routing Table: 1903
AfriNIC Prefixes per ASN: 25.30
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 383
Average AfriNIC Region AS path length visible: 6.2
Max AfriNIC Region AS path length visible: 40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet: 105017088
Equivalent to 6 /8s, 66 /16s and 111 /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 10309 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6219 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
9498 4217 530 274 BBIL-AP BHARTI Airtel Ltd., IN
18403 4212 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3916 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3259 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2845 848 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4766 2156 11520 621 KIXS-AS-KR Korea Telecom, KR
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 12958 39643 3993 AMAZON-02, US
11492 4676 310 586 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
174 3618 8767 969 COGENT-174, US
22773 3603 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3115 1311 2249 AKAMAI-AS, US
396982 2946 3649 463 GOOGLE-CLOUD-PLATFORM, US
36352 2584 213 800 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 7714 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4006 3395 129 AKAMAI-ASN1, NL
9009 3776 326 1965 M247, RO
12389 3035 2303 888 ROSTELECOM-AS, RU
34984 2365 360 583 TELLCOM-AS, TR
212238 2070 147 1527 CDNEXT, GB
8452 1615 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1491 98 749 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 11901 3243 582 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2507 539 367 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 783 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 21 Telefonica del Peru S.A.A., PE
11664 1163 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1051 70 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1049 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 1703 599 30 RAYA-AS, EG
24863 1619 389 18 LINKdotNET-AS, EG
29571 1567 102 23 ORANGE-COTE-IVOIRE, CI
36992 1428 1518 287 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 902 1084 18 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 543 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 12958 39643 3993 AMAZON-02, US
8151 11901 3243 582 UNINET, MX
9808 10309 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7714 1714 145 UNI2-AS, ES
7545 6219 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4676 310 586 CABLEONE, US
9498 4217 530 274 BBIL-AP BHARTI Airtel Ltd., IN
18403 4212 347 25 FPT-AS-AP FPT Telecom Company, VN
7155 4173 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 11901 11319 UNINET, MX
9808 10309 10220 CHINAMOBILE-CN China Mobile Communications Grou
12479 7714 7569 UNI2-AS, ES
7545 6219 5561 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4212 4187 FPT-AS-AP FPT Telecom Company, VN
11492 4676 4090 CABLEONE, US
7155 4173 4090 VIASAT-SP-BACKBONE, US
9498 4217 3943 BBIL-AP BHARTI Airtel Ltd., IN
7552 3916 3890 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
212032 UNALLOCATED 5.59.105.0/24 35168 TNS-PLUS-CORE, KZ
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
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 /12:302
/13:584 /14:1228 /15:2168 /16:13956 /17:8293 /18:13756
/19:24636 /20:43708 /21:51750 /22:112000 /23:101271 /24:604026
/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 6643 7714 UNI2-AS, ES
8151 6101 11901 UNINET, MX
11492 3529 4676 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2720 3603 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2327 12958 AMAZON-02, US
30036 2217 2558 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2184 3522 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)
----------------------------------------------
1:2325 2:1532 3:601 4:10 5:4597 6:163
7:6 8:1548 9:1 11:172 12:1372 13:353
14:2514 15:351 16:279 17:360 18:914 20:463
21:4 22:188 23:7366 24:3021 25:2 27:2744
29:19 31:3220 32:37 34:80 35:203 36:2398
37:4675 38:8884 39:899 40:154 41:4214 42:1906
43:2567 44:358 45:18488 46:4937 47:287 49:1957
50:1896 51:590 52:1554 54:301 55:877 56:11
57:252 58:2195 59:1209 60:1171 61:2771 62:2919
63:1832 64:5485 65:2126 66:4615 67:3027 68:1155
69:3974 70:1166 71:621 72:2859 74:2800 75:1662
76:612 77:2709 78:1891 79:1725 80:2196 81:2019
82:3041 83:1420 84:1829 85:3373 86:1043 87:2157
88:1311 89:4326 90:777 91:8318 92:2797 93:2877
94:4013 95:4304 96:1435 97:312 98:1017 99:739
100:71 101:1139 102:3728 103:32184 104:4812 105:750
106:991 107:2615 108:1206 109:4083 110:2225 111:3325
112:2035 113:1787 114:1959 115:2153 116:2035 117:2739
118:2844 119:1953 120:1872 121:1365 122:2740 123:2180
124:1564 125:2848 126:88 128:1586 129:958 130:1279
131:1904 132:779 133:451 134:1527 135:329 136:1279
137:1241 138:2890 139:1630 140:1567 141:1488 142:1829
143:1650 144:1052 145:517 146:2159 147:2101 148:2635
149:2897 150:1245 151:2049 152:2104 153:571 154:7857
155:1621 156:3218 157:1910 158:1269 159:2431 160:3561
161:1938 162:3718 163:1976 164:1693 165:2199 166:1429
167:1887 168:4056 169:805 170:5082 171:1004 172:4479
173:3221 174:918 175:1289 176:3688 177:4731 178:3817
179:2335 180:2585 181:4054 182:3370 183:2028 184:2308
185:21523 186:5120 187:4425 188:4203 189:4223 190:9633
191:1527 192:11192 193:9434 194:7787 195:5551 196:3274
197:3594 198:6111 199:8403 200:8178 201:6298 202:10389
203:10601 204:4523 205:3628 206:4624 207:3477 208:4188
209:5165 210:4563 211:2522 212:4499 213:3764 214:1048
215:48 216:6583 217:3086 218:1328 219:374 220:2074
221:1073 222:712 223:2318
End of report
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