[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Apr 18 21:40:25 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 18 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: 978883
Prefixes after maximum aggregation (per Origin AS): 375970
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 478118
Number of IPv4 prefixes with a valid ROA: 540447
Number of IPv4 prefixes with an invalid ROA: 159
Number of IPv4 prefixes with no ROA: 438277
Total ASes present in the Internet Routing Table: 76839
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65867
Origin ASes announcing only one prefix: 26899
Transit ASes present in the Internet Routing Table: 10972
Transit-only ASes present in the Internet Routing Table: 538
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: 73
Max AS path prepend of ASN (152107) 65
Prefixes from unregistered ASNs in the Routing Table: 1181
Number of instances of unregistered ASNs: 1184
Number of 32-bit ASNs allocated by the RIRs: 46240
Number of 32-bit ASNs visible in the Routing Table: 38132
Prefixes from 32-bit ASNs in the Routing Table: 200901
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: 440
Number of addresses announced to Internet: 3105712128
Equivalent to 185 /8s, 29 /16s and 104 /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: 320985
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255773
Total APNIC prefixes after maximum aggregation: 76429
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 247555
Unique aggregates announced from the APNIC address blocks: 102834
APNIC Region origin ASes present in the Internet Routing Table: 14590
APNIC Prefixes per ASN: 16.97
APNIC Region origin ASes announcing only one prefix: 4443
APNIC Region transit ASes present in the Internet Routing Table: 1964
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 73
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10096
Number of APNIC addresses announced to Internet: 747330560
Equivalent to 44 /8s, 139 /16s and 92 /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: 289346
Total ARIN prefixes after maximum aggregation: 129276
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 290433
Unique aggregates announced from the ARIN address blocks: 137923
ARIN Region origin ASes present in the Internet Routing Table: 19256
ARIN Prefixes per ASN: 15.08
ARIN Region origin ASes announcing only one prefix: 7051
ARIN Region transit ASes present in the Internet Routing Table: 1986
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: 5194
Number of ARIN addresses announced to Internet: 1349425664
Equivalent to 80 /8s, 110 /16s and 154 /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: 273675
Total RIPE prefixes after maximum aggregation: 133519
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271600
Unique aggregates announced from the RIPE address blocks: 173811
RIPE Region origin ASes present in the Internet Routing Table: 28885
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12034
RIPE Region transit ASes present in the Internet Routing Table: 3971
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: 12388
Number of RIPE addresses announced to Internet: 731878656
Equivalent to 43 /8s, 159 /16s and 149 /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: 123551
Total LACNIC prefixes after maximum aggregation: 29275
LACNIC Deaggregation factor: 4.22
Prefixes being announced from the LACNIC address blocks: 120146
Unique aggregates announced from the LACNIC address blocks: 48891
LACNIC Region origin ASes present in the Internet Routing Table: 11231
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2677
LACNIC Region transit ASes present in the Internet Routing Table: 2472
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 34
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9175
Number of LACNIC addresses announced to Internet: 171765504
Equivalent to 10 /8s, 60 /16s and 239 /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: 35357
Total AfriNIC prefixes after maximum aggregation: 6750
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 48708
Unique aggregates announced from the AfriNIC address blocks: 14281
AfriNIC Region origin ASes present in the Internet Routing Table: 1914
AfriNIC Prefixes per ASN: 25.45
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 1279
Number of AfriNIC addresses announced to Internet: 105091328
Equivalent to 6 /8s, 67 /16s and 145 /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 10348 8753 89 CHINAMOBILE-CN China Mobile Communication
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4221 530 275 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3670 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2856 850 537 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2176 11524 637 KIXS-AS-KR Korea Telecom, KR
45090 2171 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 13220 39696 4087 AMAZON-02, US
11492 4694 311 587 CABLEONE, US
7155 3829 286 85 VIASAT-SP-BACKBONE, US
22773 3629 3054 223 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3621 1320 81 SHAW, CA
174 3524 8762 934 COGENT-174, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3123 1312 2260 AKAMAI-AS, US
396982 2957 3650 468 GOOGLE-CLOUD-PLATFORM, US
36352 2690 221 831 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 7704 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4040 3395 129 AKAMAI-ASN1, NL
9009 3773 326 1960 M247, RO
12389 3068 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2363 360 585 TELLCOM-AS, TR
212238 2095 148 1541 CDNEXT, GB
8452 1641 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1444 95 746 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 11957 3243 591 UNINET, MX
10620 3522 486 992 Telmex Colombia S.A., CO
13999 2511 539 364 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1356 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
11664 1183 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1052 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 1647 389 16 LINKdotNET-AS, EG
29571 1588 102 22 ORANGE-COTE-IVOIRE, CI
36992 1433 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
20011 981 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 531 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 13220 39696 4087 AMAZON-02, US
8151 11957 3243 591 UNINET, MX
9808 10348 8753 89 CHINAMOBILE-CN China Mobile Communication
12479 7704 1714 145 UNI2-AS, ES
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4694 311 587 CABLEONE, US
18403 4259 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4221 530 275 BBIL-AP BHARTI Airtel Ltd., IN
20940 4040 3395 129 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 11957 11366 UNINET, MX
9808 10348 10259 CHINAMOBILE-CN China Mobile Communications Grou
12479 7704 7559 UNI2-AS, ES
7545 6214 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4259 4234 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 CABLEONE, US
9498 4221 3946 BBIL-AP BHARTI Airtel Ltd., IN
20940 4040 3911 AKAMAI-ASN1, NL
7552 3923 3897 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 /12:300
/13:584 /14:1225 /15:2160 /16:13916 /17:8284 /18:13752
/19:24614 /20:43731 /21:51772 /22:112053 /23:101624 /24:604701
/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 6625 7704 UNI2-AS, ES
8151 6163 11957 UNINET, MX
11492 3531 4694 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2787 3829 VIASAT-SP-BACKBONE, US
22773 2747 3629 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2358 13220 AMAZON-02, US
30036 2231 2573 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2188 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)
----------------------------------------------
1:2330 2:1537 3:618 4:10 5:4632 6:163
7:6 8:1557 9:1 11:172 12:1371 13:354
14:2507 15:352 16:283 17:368 18:924 20:511
21:4 22:188 23:7469 24:2800 25:2 27:2772
29:19 31:3216 32:36 34:80 35:203 36:2396
37:4655 38:8905 39:905 40:166 41:4222 42:1915
43:2551 44:378 45:18546 46:5014 47:290 49:1917
50:1894 51:590 52:1555 54:299 55:1090 56:11
57:256 58:2207 59:1213 60:1171 61:2776 62:2912
63:1827 64:5497 65:2134 66:4643 67:3066 68:1149
69:3928 70:1118 71:622 72:2845 74:2794 75:1601
76:612 77:2743 78:1895 79:1749 80:2194 81:2047
82:3196 83:1431 84:1849 85:3417 86:1050 87:2150
88:1312 89:4312 90:784 91:8325 92:2717 93:2894
94:4063 95:4365 96:1434 97:313 98:1025 99:644
100:72 101:1148 102:3755 103:32194 104:4820 105:755
106:984 107:2639 108:1207 109:4080 110:2230 111:3339
112:2046 113:1785 114:1962 115:2205 116:2029 117:2748
118:2898 119:1955 120:1876 121:1370 122:2752 123:2174
124:1563 125:2859 126:91 128:1588 129:957 130:1282
131:1920 132:787 133:451 134:1533 135:331 136:1306
137:1249 138:2890 139:1617 140:1578 141:1487 142:1904
143:1641 144:1065 145:515 146:2157 147:2112 148:2662
149:2914 150:1241 151:1759 152:2105 153:569 154:8021
155:1616 156:3200 157:1900 158:1288 159:2442 160:3573
161:1909 162:3751 163:2073 164:1692 165:2196 166:1448
167:1882 168:4059 169:791 170:4894 171:1006 172:4493
173:3232 174:912 175:1299 176:3677 177:4653 178:3742
179:2280 180:2596 181:4059 182:3366 183:2044 184:2140
185:21543 186:5068 187:4410 188:4201 189:4179 190:9624
191:1474 192:11257 193:9440 194:7761 195:5536 196:3294
197:3689 198:6102 199:8446 200:8201 201:6275 202:10400
203:10609 204:4519 205:3644 206:4635 207:3480 208:4212
209:5132 210:4574 211:2531 212:4527 213:3774 214:1034
215:48 216:6627 217:3123 218:1334 219:374 220:2073
221:1060 222:716 223:2321
End of report
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