[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Apr 28 21:40:10 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 28 Apr, 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: 975811
Prefixes after maximum aggregation (per Origin AS): 375574
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 477266
Number of IPv4 prefixes with a valid ROA: 537669
Number of IPv4 prefixes with an invalid ROA: 162
Number of IPv4 prefixes with no ROA: 437980
Total ASes present in the Internet Routing Table: 76616
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65639
Origin ASes announcing only one prefix: 26905
Transit ASes present in the Internet Routing Table: 10977
Transit-only ASes present in the Internet Routing Table: 541
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: 72
Max AS path prepend of ASN (152107) 65
Prefixes from unregistered ASNs in the Routing Table: 1189
Number of instances of unregistered ASNs: 1192
Number of 32-bit ASNs allocated by the RIRs: 46291
Number of 32-bit ASNs visible in the Routing Table: 37991
Prefixes from 32-bit ASNs in the Routing Table: 199521
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: 473
Number of addresses announced to Internet: 3100018688
Equivalent to 184 /8s, 198 /16s and 136 /24s
Percentage of available address space announced: 83.7
Percentage of allocated address space announced: 83.7
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: 317883
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256960
Total APNIC prefixes after maximum aggregation: 76688
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248193
Unique aggregates announced from the APNIC address blocks: 103146
APNIC Region origin ASes present in the Internet Routing Table: 14600
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4446
APNIC Region transit ASes present in the Internet Routing Table: 1974
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 72
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10115
Number of APNIC addresses announced to Internet: 747419904
Equivalent to 44 /8s, 140 /16s and 185 /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: 289789
Total ARIN prefixes after maximum aggregation: 129519
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290886
Unique aggregates announced from the ARIN address blocks: 138520
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.11
ARIN Region origin ASes announcing only one prefix: 7052
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5201
Number of ARIN addresses announced to Internet: 1348782848
Equivalent to 80 /8s, 100 /16s and 203 /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: 268922
Total RIPE prefixes after maximum aggregation: 132557
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 267011
Unique aggregates announced from the RIPE address blocks: 172264
RIPE Region origin ASes present in the Internet Routing Table: 28671
RIPE Prefixes per ASN: 9.31
RIPE Region origin ASes announcing only one prefix: 12013
RIPE Region transit ASes present in the Internet Routing Table: 3955
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: 12234
Number of RIPE addresses announced to Internet: 728417792
Equivalent to 43 /8s, 106 /16s and 198 /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: 123567
Total LACNIC prefixes after maximum aggregation: 29311
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120118
Unique aggregates announced from the LACNIC address blocks: 48818
LACNIC Region origin ASes present in the Internet Routing Table: 11222
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2697
LACNIC Region transit ASes present in the Internet Routing Table: 2471
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9166
Number of LACNIC addresses announced to Internet: 171750912
Equivalent to 10 /8s, 60 /16s and 182 /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: 35384
Total AfriNIC prefixes after maximum aggregation: 6777
AfriNIC Deaggregation factor: 5.22
Prefixes being announced from the AfriNIC address blocks: 49129
Unique aggregates announced from the AfriNIC address blocks: 14132
AfriNIC Region origin ASes present in the Internet Routing Table: 1913
AfriNIC Prefixes per ASN: 25.68
AfriNIC Region origin ASes announcing only one prefix: 697
AfriNIC Region transit ASes present in the Internet Routing Table: 377
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: 1275
Number of AfriNIC addresses announced to Internet: 103421696
Equivalent to 6 /8s, 42 /16s and 23 /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 10456 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4251 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 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3263 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2852 850 547 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2189 11523 648 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 13235 39701 4086 AMAZON-02, US
11492 4701 312 586 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
174 3680 8756 921 COGENT-174, US
22773 3625 3054 219 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
749 3254 54879 2505 DNIC-AS-00749, US
16625 3118 1311 2256 AKAMAI-AS, US
396982 2966 3651 474 GOOGLE-CLOUD-PLATFORM, US
36352 2736 225 836 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 5825 1712 162 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4058 3395 127 AKAMAI-ASN1, NL
9009 3732 323 1983 M247, RO
12389 3069 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2113 150 1552 CDNEXT, GB
8452 1642 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1417 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 11978 3243 595 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 539 364 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1194 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1190 371 21 Telefonica del Peru S.A.A., PE
22884 1054 70 379 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 1743 607 31 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
29571 1589 102 22 ORANGE-COTE-IVOIRE, CI
36992 1435 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1020 521 42 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 535 82 3 KENET-AS, KE
15399 526 57 58 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 13235 39701 4086 AMAZON-02, US
8151 11978 3243 595 UNINET, MX
9808 10456 8754 93 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
12479 5825 1712 162 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4701 312 586 CABLEONE, US
18403 4251 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4237 531 278 BBIL-AP BHARTI Airtel Ltd., IN
20940 4058 3395 127 AKAMAI-ASN1, NL
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 11978 11383 UNINET, MX
9808 10456 10363 CHINAMOBILE-CN China Mobile Communications Grou
12479 5825 5663 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4251 4226 FPT-AS-AP FPT Telecom Company, VN
11492 4701 4115 CABLEONE, US
9498 4237 3959 BBIL-AP BHARTI Airtel Ltd., IN
20940 4058 3931 AKAMAI-ASN1, NL
7552 3919 3893 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
23.140.216.0/24 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 /12:299
/13:581 /14:1219 /15:2156 /16:13876 /17:8227 /18:13648
/19:24562 /20:43841 /21:51547 /22:110952 /23:101161 /24:603575
/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
8151 6183 11978 UNINET, MX
12479 4914 5825 UNI2-AS, ES
11492 3531 4701 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2747 3625 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2352 13235 AMAZON-02, US
30036 2242 2584 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2182 3516 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)
----------------------------------------------
1:2334 2:1515 3:628 4:9 5:4564 6:163
7:6 8:1556 9:1 11:172 12:1373 13:349
14:2515 15:352 16:282 17:368 18:920 20:513
21:4 22:188 23:7528 24:2811 25:2 27:2775
29:19 31:3215 32:36 34:80 35:206 36:2487
37:4529 38:9081 39:908 40:170 41:4214 42:1905
43:2595 44:377 45:18378 46:5006 47:293 49:1931
50:1898 51:590 52:1550 54:298 55:1078 56:11
57:256 58:2203 59:1217 60:1171 61:2774 62:2913
63:1824 64:5482 65:2133 66:4649 67:3066 68:1151
69:3929 70:1116 71:628 72:2850 74:2781 75:1619
76:614 77:2729 78:1890 79:1743 80:2171 81:2042
82:3184 83:1419 84:1802 85:3318 86:1032 87:1940
88:1284 89:4242 90:648 91:8277 92:2600 93:2868
94:4027 95:4247 96:1453 97:312 98:1024 99:668
100:72 101:1146 102:3891 103:32280 104:4830 105:734
106:1042 107:2646 108:1215 109:4062 110:2231 111:3338
112:2047 113:1791 114:1961 115:2209 116:2038 117:2748
118:2898 119:1958 120:1883 121:1377 122:2752 123:2180
124:1567 125:2857 126:91 128:1592 129:960 130:1297
131:1902 132:757 133:451 134:1538 135:331 136:1304
137:1256 138:2876 139:1619 140:1573 141:1496 142:1905
143:1660 144:1078 145:516 146:2155 147:2094 148:2674
149:2849 150:1247 151:1757 152:2089 153:563 154:8235
155:1639 156:3350 157:1883 158:1289 159:2436 160:3581
161:1906 162:3750 163:2090 164:1697 165:2196 166:1456
167:1870 168:4033 169:795 170:5063 171:1001 172:4499
173:3251 174:916 175:1302 176:3628 177:4644 178:3662
179:2532 180:2588 181:4052 182:3394 183:2048 184:2141
185:20909 186:5082 187:4421 188:4099 189:4203 190:9517
191:1474 192:11211 193:9374 194:7722 195:5466 196:3301
197:3703 198:6112 199:8475 200:8165 201:6279 202:10410
203:10643 204:4525 205:3598 206:4620 207:3473 208:4232
209:5140 210:4586 211:2534 212:4463 213:3749 214:1023
215:48 216:6622 217:3092 218:1333 219:374 220:2076
221:1059 222:725 223:2348
End of report
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