[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 7 21:40:16 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 07 May, 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: 981143
Prefixes after maximum aggregation (per Origin AS): 377662
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 479201
Number of IPv4 prefixes with a valid ROA: 544406
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 436556
Total ASes present in the Internet Routing Table: 76885
Prefixes per ASN: 12.76
Origin-only ASes present in the Internet Routing Table: 65866
Origin ASes announcing only one prefix: 26956
Transit ASes present in the Internet Routing Table: 11019
Transit-only ASes present in the Internet Routing Table: 552
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: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1109
Number of instances of unregistered ASNs: 1112
Number of 32-bit ASNs allocated by the RIRs: 46348
Number of 32-bit ASNs visible in the Routing Table: 38210
Prefixes from 32-bit ASNs in the Routing Table: 201540
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: 470
Number of addresses announced to Internet: 3109187072
Equivalent to 185 /8s, 82 /16s and 110 /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: 321655
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 256916
Total APNIC prefixes after maximum aggregation: 76762
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 248216
Unique aggregates announced from the APNIC address blocks: 103135
APNIC Region origin ASes present in the Internet Routing Table: 14606
APNIC Prefixes per ASN: 16.99
APNIC Region origin ASes announcing only one prefix: 4457
APNIC Region transit ASes present in the Internet Routing Table: 1970
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 46
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10121
Number of APNIC addresses announced to Internet: 747383552
Equivalent to 44 /8s, 140 /16s and 43 /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: 289840
Total ARIN prefixes after maximum aggregation: 130079
ARIN Deaggregation factor: 2.23
Prefixes being announced from the ARIN address blocks: 291222
Unique aggregates announced from the ARIN address blocks: 138618
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.13
ARIN Region origin ASes announcing only one prefix: 7053
ARIN Region transit ASes present in the Internet Routing Table: 1995
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: 5206
Number of ARIN addresses announced to Internet: 1353137664
Equivalent to 80 /8s, 167 /16s and 62 /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: 274200
Total RIPE prefixes after maximum aggregation: 133963
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 272024
Unique aggregates announced from the RIPE address blocks: 174241
RIPE Region origin ASes present in the Internet Routing Table: 28916
RIPE Prefixes per ASN: 9.41
RIPE Region origin ASes announcing only one prefix: 12047
RIPE Region transit ASes present in the Internet Routing Table: 3983
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12427
Number of RIPE addresses announced to Internet: 731528448
Equivalent to 43 /8s, 154 /16s and 61 /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: 123670
Total LACNIC prefixes after maximum aggregation: 29396
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120019
Unique aggregates announced from the LACNIC address blocks: 48856
LACNIC Region origin ASes present in the Internet Routing Table: 11232
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2706
LACNIC Region transit ASes present in the Internet Routing Table: 2486
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: 9181
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: 35408
Total AfriNIC prefixes after maximum aggregation: 6759
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 49191
Unique aggregates announced from the AfriNIC address blocks: 13964
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 25.74
AfriNIC Region origin ASes announcing only one prefix: 693
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: 105162496
Equivalent to 6 /8s, 68 /16s and 167 /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 10654 8754 88 CHINAMOBILE-CN China Mobile Communication
7545 6217 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4319 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4264 533 292 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN
24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4766 2187 11523 647 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 13300 40822 4547 AMAZON-02, US
11492 4721 313 593 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3621 1320 81 SHAW, CA
22773 3611 3052 208 ASN-CXA-ALL-CCI-22773-RDC, US
174 3581 8750 902 COGENT-174, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3127 1313 2260 AKAMAI-AS, US
396982 2939 3656 468 GOOGLE-CLOUD-PLATFORM, US
36352 2786 228 853 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 7707 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4061 3395 127 AKAMAI-ASN1, NL
9009 3809 328 1980 M247, RO
12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2362 360 584 TELLCOM-AS, TR
212238 2135 150 1576 CDNEXT, GB
8452 1647 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1420 366 39 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 12042 3245 581 UNINET, MX
10620 3523 486 995 Telmex Colombia S.A., CO
13999 2511 539 361 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1334 784 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1197 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1191 371 22 Telefonica del Peru S.A.A., PE
22884 1056 70 380 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
29571 1600 103 23 ORANGE-COTE-IVOIRE, CI
36992 1431 1518 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
37069 932 1099 15 MOBINIL, EG
36914 553 82 3 KENET-AS, KE
15399 522 56 54 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 13300 40822 4547 AMAZON-02, US
8151 12042 3245 581 UNINET, MX
9808 10654 8754 88 CHINAMOBILE-CN China Mobile Communication
12479 7707 1714 148 UNI2-AS, ES
7545 6217 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4721 313 593 CABLEONE, US
18403 4319 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4264 533 292 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 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 12042 11461 UNINET, MX
9808 10654 10566 CHINAMOBILE-CN China Mobile Communications Grou
12479 7707 7559 UNI2-AS, ES
7545 6217 5560 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4319 4294 FPT-AS-AP FPT Telecom Company, VN
11492 4721 4128 CABLEONE, US
9498 4264 3972 BBIL-AP BHARTI Airtel Ltd., IN
20940 4061 3934 AKAMAI-ASN1, NL
7552 3908 3882 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
/13:583 /14:1223 /15:2167 /16:13983 /17:8259 /18:13705
/19:24603 /20:43700 /21:51674 /22:111903 /23:101722 /24:607154
/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 6628 7707 UNI2-AS, ES
8151 6244 12042 UNINET, MX
11492 3533 4721 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3621 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2742 3611 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2313 13300 AMAZON-02, US
30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2189 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)
----------------------------------------------
1:2333 2:1528 3:693 4:10 5:4682 6:162
7:6 8:1572 9:1 11:172 12:1367 13:361
14:2518 15:353 16:283 17:371 18:921 20:517
21:4 22:188 23:7545 24:2805 25:2 27:2780
29:19 31:3246 32:37 33:1 34:80 35:204
36:2661 37:4697 38:9095 39:907 40:169 41:4203
42:1961 43:2573 44:376 45:18558 46:5054 47:294
49:1931 50:1894 51:590 52:1552 54:306 55:1095
56:11 57:257 58:2207 59:1216 60:1170 61:2775
62:2929 63:1816 64:5488 65:2113 66:4667 67:3070
68:1156 69:3925 70:1147 71:631 72:2869 74:2781
75:1619 76:614 77:2731 78:1894 79:1756 80:2201
81:2056 82:3233 83:1433 84:1853 85:3437 86:1051
87:2155 88:1317 89:4353 90:776 91:8342 92:2716
93:2898 94:4097 95:4355 96:1458 97:312 98:1020
99:670 100:72 101:1153 102:3920 103:32222 104:4828
105:755 106:1033 107:2649 108:1213 109:4075 110:2231
111:3340 112:2054 113:1788 114:1963 115:2208 116:2044
117:2665 118:2895 119:1954 120:1881 121:1375 122:2755
123:2242 124:1570 125:2846 126:91 128:1599 129:956
130:1295 131:1952 132:781 133:451 134:1537 135:331
136:1305 137:1255 138:2887 139:1631 140:1579 141:1507
142:1902 143:1716 144:1088 145:504 146:2162 147:2104
148:2683 149:2855 150:1252 151:1843 152:2101 153:564
154:8169 155:1686 156:3361 157:1906 158:1298 159:2445
160:3584 161:1893 162:3726 163:2128 164:1700 165:2196
166:1474 167:1892 168:4043 169:794 170:5067 171:1010
172:4417 173:3263 174:916 175:1299 176:3666 177:4648
178:3619 179:2275 180:2616 181:4055 182:3417 183:2054
184:2114 185:21564 186:5103 187:4434 188:4222 189:4242
190:9554 191:1467 192:11248 193:9487 194:7772 195:5500
196:3294 197:3690 198:6133 199:8482 200:8179 201:6296
202:10276 203:10643 204:4523 205:3595 206:4639 207:3488
208:4268 209:5167 210:4588 211:2534 212:4527 213:3715
214:1028 215:48 216:6726 217:3130 218:1338 219:375
220:2080 221:1087 222:716 223:2351
End of report
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