[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 27 21:40:03 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 27 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: 978335
Prefixes after maximum aggregation (per Origin AS): 374508
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 476103
Number of IPv4 prefixes with a valid ROA: 538378
Number of IPv4 prefixes with an invalid ROA: 176
Number of IPv4 prefixes with no ROA: 439781
Total ASes present in the Internet Routing Table: 76717
Prefixes per ASN: 12.75
Origin-only ASes present in the Internet Routing Table: 65759
Origin ASes announcing only one prefix: 26872
Transit ASes present in the Internet Routing Table: 10958
Transit-only ASes present in the Internet Routing Table: 548
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: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1163
Number of instances of unregistered ASNs: 1168
Number of 32-bit ASNs allocated by the RIRs: 46099
Number of 32-bit ASNs visible in the Routing Table: 37993
Prefixes from 32-bit ASNs in the Routing Table: 200043
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: 467
Number of addresses announced to Internet: 3107477248
Equivalent to 185 /8s, 56 /16s and 87 /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: 320935
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255463
Total APNIC prefixes after maximum aggregation: 76122
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247303
Unique aggregates announced from the APNIC address blocks: 102586
APNIC Region origin ASes present in the Internet Routing Table: 14540
APNIC Prefixes per ASN: 17.01
APNIC Region origin ASes announcing only one prefix: 4432
APNIC Region transit ASes present in the Internet Routing Table: 1960
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: 10056
Number of APNIC addresses announced to Internet: 747947264
Equivalent to 44 /8s, 148 /16s and 197 /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: 289737
Total ARIN prefixes after maximum aggregation: 128718
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290435
Unique aggregates announced from the ARIN address blocks: 136922
ARIN Region origin ASes present in the Internet Routing Table: 19234
ARIN Prefixes per ASN: 15.10
ARIN Region origin ASes announcing only one prefix: 7042
ARIN Region transit ASes present in the Internet Routing Table: 1981
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: 5171
Number of ARIN addresses announced to Internet: 1350355456
Equivalent to 80 /8s, 124 /16s and 202 /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: 272913
Total RIPE prefixes after maximum aggregation: 132963
RIPE Deaggregation factor: 2.05
Prefixes being announced from the RIPE address blocks: 271214
Unique aggregates announced from the RIPE address blocks: 173712
RIPE Region origin ASes present in the Internet Routing Table: 28843
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12036
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: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12329
Number of RIPE addresses announced to Internet: 732270848
Equivalent to 43 /8s, 165 /16s and 145 /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: 123752
Total LACNIC prefixes after maximum aggregation: 29236
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120401
Unique aggregates announced from the LACNIC address blocks: 48831
LACNIC Region origin ASes present in the Internet Routing Table: 11213
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2669
LACNIC Region transit ASes present in the Internet Routing Table: 2461
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: 9164
Number of LACNIC addresses announced to Internet: 171614208
Equivalent to 10 /8s, 58 /16s and 160 /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: 35307
Total AfriNIC prefixes after maximum aggregation: 6740
AfriNIC Deaggregation factor: 5.24
Prefixes being announced from the AfriNIC address blocks: 48514
Unique aggregates announced from the AfriNIC address blocks: 13651
AfriNIC Region origin ASes present in the Internet Routing Table: 1911
AfriNIC Prefixes per ASN: 25.39
AfriNIC Region origin ASes announcing only one prefix: 693
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: 1273
Number of AfriNIC addresses announced to Internet: 105053696
Equivalent to 6 /8s, 66 /16s and 254 /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 88 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4281 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4218 530 274 BBIL-AP BHARTI Airtel Ltd., IN
7552 3916 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3673 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3261 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2839 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
4755 2153 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 12948 39645 3968 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
174 3608 8766 960 COGENT-174, US
22773 3602 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3105 1306 2241 AKAMAI-AS, US
396982 2946 3665 458 GOOGLE-CLOUD-PLATFORM, US
30036 2576 357 351 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 7722 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4017 3395 128 AKAMAI-ASN1, NL
9009 3769 325 1957 M247, RO
12389 3034 2303 889 ROSTELECOM-AS, RU
34984 2365 360 583 TELLCOM-AS, TR
212238 2063 147 1524 CDNEXT, GB
8452 1615 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 11887 3241 582 UNINET, MX
10620 3522 486 971 Telmex Colombia S.A., CO
13999 2509 539 369 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 782 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1193 371 22 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 1048 359 174 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 1620 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
37069 1094 1088 19 MOBINIL, EG
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
6713 561 1861 35 IAM-AS, MA
36914 537 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 12948 39645 3968 AMAZON-02, US
8151 11887 3241 582 UNINET, MX
9808 10309 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7722 1714 145 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4281 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4218 530 274 BBIL-AP BHARTI Airtel Ltd., IN
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 11887 11305 UNINET, MX
9808 10309 10221 CHINAMOBILE-CN China Mobile Communications Grou
12479 7722 7577 UNI2-AS, ES
7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4281 4256 FPT-AS-AP FPT Telecom Company, VN
11492 4675 4090 CABLEONE, US
7155 4173 4090 VIASAT-SP-BACKBONE, US
9498 4218 3944 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
23.136.124.0/24 Origin: 394106 BEIDEAL, US
23.136.124.0/24 Transit: 151349 YUKI-NET-AS-AP Yuki Network Ltd, KR
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
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 /14:1226 /15:2168 /16:13963 /17:8298 /18:13758
/19:24636 /20:43996 /21:51776 /22:112014 /23:101301 /24:604146
/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 6654 7722 UNI2-AS, ES
8151 6088 11887 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2719 3602 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 12948 AMAZON-02, US
30036 2234 2576 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)
----------------------------------------------
1:2332 2:1536 3:600 4:10 5:4584 6:163
7:6 8:1550 9:1 11:172 12:1372 13:348
14:2515 15:351 16:279 17:362 18:916 20:463
21:4 22:188 23:7368 24:3020 25:2 27:2761
29:19 31:3208 32:37 34:80 35:204 36:2399
37:4743 38:8886 39:900 40:154 41:4215 42:1928
43:2571 44:360 45:18487 46:4939 47:288 49:1980
50:1895 51:590 52:1551 54:300 55:1089 56:11
57:252 58:2195 59:1217 60:1170 61:2778 62:2914
63:1832 64:5498 65:2122 66:4612 67:3022 68:1154
69:3972 70:1162 71:621 72:2861 74:2812 75:1662
76:612 77:2684 78:1859 79:1715 80:2191 81:2018
82:2994 83:1417 84:1819 85:3363 86:1046 87:2152
88:1311 89:4323 90:779 91:8300 92:2800 93:2879
94:4080 95:4289 96:1427 97:313 98:1019 99:740
100:71 101:1047 102:3715 103:32195 104:4820 105:750
106:994 107:2618 108:1204 109:3998 110:2225 111:3324
112:2036 113:1798 114:1953 115:2161 116:2035 117:2738
118:2882 119:1952 120:1872 121:1364 122:2743 123:2181
124:1563 125:2853 126:88 128:1587 129:958 130:1279
131:1913 132:778 133:451 134:1525 135:329 136:1280
137:1248 138:2888 139:1625 140:1564 141:1496 142:1820
143:1655 144:1047 145:514 146:2153 147:2097 148:2632
149:2896 150:1247 151:2038 152:2106 153:571 154:7867
155:1623 156:3270 157:1913 158:1267 159:2431 160:3550
161:1944 162:3716 163:1968 164:1684 165:2199 166:1422
167:1890 168:4058 169:800 170:5092 171:1004 172:4475
173:3236 174:918 175:1287 176:3691 177:4720 178:3817
179:2326 180:2587 181:4047 182:3371 183:2028 184:2311
185:21466 186:5117 187:4399 188:4195 189:4191 190:9610
191:1536 192:11194 193:9420 194:7779 195:5548 196:3273
197:3664 198:6111 199:8419 200:8189 201:6293 202:10395
203:10610 204:4539 205:3625 206:4636 207:3478 208:4190
209:5186 210:4563 211:2521 212:4494 213:3750 214:1046
215:48 216:6582 217:3091 218:1327 219:374 220:2067
221:1072 222:720 223:2316
End of report
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