[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Mar 23 21:40:14 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 23 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: 977372
Prefixes after maximum aggregation (per Origin AS): 374126
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 475702
Number of IPv4 prefixes with a valid ROA: 537792
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 439401
Total ASes present in the Internet Routing Table: 76719
Prefixes per ASN: 12.74
Origin-only ASes present in the Internet Routing Table: 65781
Origin ASes announcing only one prefix: 26878
Transit ASes present in the Internet Routing Table: 10938
Transit-only ASes present in the Internet Routing Table: 544
Paths with bogon ASNs present in the IPv4 Routing Table: 314
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: 1136
Number of instances of unregistered ASNs: 1141
Number of 32-bit ASNs allocated by the RIRs: 46127
Number of 32-bit ASNs visible in the Routing Table: 37980
Prefixes from 32-bit ASNs in the Routing Table: 199850
Number of bogon 32-bit ASNs visible in the Routing Table: 40
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 494
Number of addresses announced to Internet: 3107635456
Equivalent to 185 /8s, 58 /16s and 193 /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: 320726
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255302
Total APNIC prefixes after maximum aggregation: 76050
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 247114
Unique aggregates announced from the APNIC address blocks: 102551
APNIC Region origin ASes present in the Internet Routing Table: 14535
APNIC Prefixes per ASN: 17.00
APNIC Region origin ASes announcing only one prefix: 4436
APNIC Region transit ASes present in the Internet Routing Table: 1958
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: 10047
Number of APNIC addresses announced to Internet: 747949056
Equivalent to 44 /8s, 148 /16s and 204 /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: 289377
Total ARIN prefixes after maximum aggregation: 128529
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 290104
Unique aggregates announced from the ARIN address blocks: 136770
ARIN Region origin ASes present in the Internet Routing Table: 19230
ARIN Prefixes per ASN: 15.09
ARIN Region origin ASes announcing only one prefix: 7037
ARIN Region transit ASes present in the Internet Routing Table: 1985
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 29
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5170
Number of ARIN addresses announced to Internet: 1350309376
Equivalent to 80 /8s, 124 /16s and 22 /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: 272988
Total RIPE prefixes after maximum aggregation: 132809
RIPE Deaggregation factor: 2.06
Prefixes being announced from the RIPE address blocks: 271239
Unique aggregates announced from the RIPE address blocks: 173507
RIPE Region origin ASes present in the Internet Routing Table: 28851
RIPE Prefixes per ASN: 9.40
RIPE Region origin ASes announcing only one prefix: 12027
RIPE Region transit ASes present in the Internet Routing Table: 3969
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: 12319
Number of RIPE addresses announced to Internet: 732401920
Equivalent to 43 /8s, 167 /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: 123670
Total LACNIC prefixes after maximum aggregation: 29267
LACNIC Deaggregation factor: 4.23
Prefixes being announced from the LACNIC address blocks: 120325
Unique aggregates announced from the LACNIC address blocks: 48904
LACNIC Region origin ASes present in the Internet Routing Table: 11219
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2676
LACNIC Region transit ASes present in the Internet Routing Table: 2467
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: 9170
Number of LACNIC addresses announced to Internet: 171611904
Equivalent to 10 /8s, 58 /16s and 151 /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: 34899
Total AfriNIC prefixes after maximum aggregation: 6753
AfriNIC Deaggregation factor: 5.17
Prefixes being announced from the AfriNIC address blocks: 48095
Unique aggregates announced from the AfriNIC address blocks: 13551
AfriNIC Region origin ASes present in the Internet Routing Table: 1912
AfriNIC Prefixes per ASN: 25.15
AfriNIC Region origin ASes announcing only one prefix: 702
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: 1274
Number of AfriNIC addresses announced to Internet: 105119488
Equivalent to 6 /8s, 67 /16s and 255 /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 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3260 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 2151 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 12962 39643 3988 AMAZON-02, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3600 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US
174 3579 8766 959 COGENT-174, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3097 1307 2237 AKAMAI-AS, US
396982 2941 3660 454 GOOGLE-CLOUD-PLATFORM, US
30036 2574 357 363 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 7756 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4017 3395 129 AKAMAI-ASN1, NL
9009 3767 325 1951 M247, RO
12389 3001 2303 890 ROSTELECOM-AS, RU
34984 2368 360 584 TELLCOM-AS, TR
212238 2035 145 1495 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 11853 3241 582 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2506 539 376 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
22884 1050 70 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1623 389 16 LINKdotNET-AS, EG
29571 1564 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
20011 980 183 284 INTERNET-SOLUTIONS, ZA
37069 859 1083 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
36914 538 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 12962 39643 3988 AMAZON-02, US
8151 11853 3241 582 UNINET, MX
9808 10327 8753 88 CHINAMOBILE-CN China Mobile Communication
12479 7756 1714 145 UNI2-AS, ES
7545 6214 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 CABLEONE, US
18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN
7155 4174 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 11853 11271 UNINET, MX
9808 10327 10239 CHINAMOBILE-CN China Mobile Communications Grou
12479 7756 7611 UNI2-AS, ES
7545 6214 5557 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4797 4735 ALJAWWALSTC-AS, SA
18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, US
11492 4675 4090 CABLEONE, US
9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN
20940 4017 3888 AKAMAI-ASN1, NL
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 /12:303
/13:585 /14:1225 /15:2169 /16:13963 /17:8294 /18:13734
/19:24638 /20:43766 /21:51732 /22:112015 /23:101250 /24:603531
/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 6689 7756 UNI2-AS, ES
8151 6055 11853 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3622 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2718 3600 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 12962 AMAZON-02, US
30036 2232 2574 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2185 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)
----------------------------------------------
1:2322 2:1532 3:599 4:10 5:4577 6:163
7:6 8:1551 9:1 11:172 12:1372 13:350
14:2510 15:351 16:279 17:362 18:912 20:463
21:4 22:188 23:7362 24:3020 25:2 27:2761
29:19 31:3218 32:37 34:79 35:204 36:2401
37:4703 38:8827 39:899 40:154 41:4189 42:1928
43:2560 44:357 45:18435 46:4975 47:288 49:1980
50:1891 51:590 52:1556 54:301 55:1075 56:9
57:253 58:2198 59:1208 60:1169 61:2778 62:2902
63:1835 64:5498 65:2123 66:4628 67:3015 68:1152
69:3968 70:1161 71:621 72:2865 74:2815 75:1658
76:611 77:2698 78:1877 79:1738 80:2192 81:2003
82:2866 83:1395 84:1819 85:3377 86:1040 87:2159
88:1314 89:4324 90:783 91:8317 92:2789 93:2890
94:4014 95:4271 96:1425 97:314 98:1019 99:740
100:71 101:1047 102:3654 103:32165 104:4820 105:748
106:998 107:2618 108:1204 109:4113 110:2225 111:3322
112:2036 113:1783 114:1942 115:2158 116:2039 117:2744
118:2860 119:1954 120:1876 121:1362 122:2746 123:2184
124:1564 125:2851 126:88 128:1582 129:960 130:1278
131:1883 132:779 133:451 134:1501 135:329 136:1277
137:1240 138:2887 139:1614 140:1560 141:1480 142:1821
143:1638 144:1044 145:482 146:2160 147:2098 148:2615
149:2892 150:1241 151:2035 152:2103 153:571 154:7879
155:1616 156:3299 157:1913 158:1258 159:2431 160:3558
161:1953 162:3708 163:1953 164:1690 165:2195 166:1413
167:1888 168:4066 169:793 170:5117 171:1004 172:4476
173:3231 174:919 175:1263 176:3670 177:4698 178:3819
179:2322 180:2585 181:4038 182:3369 183:2050 184:2311
185:21517 186:5094 187:4399 188:4214 189:4177 190:9630
191:1543 192:11188 193:9431 194:7768 195:5543 196:3244
197:3658 198:6094 199:8397 200:8178 201:6283 202:10401
203:10610 204:4518 205:3636 206:4641 207:3480 208:4194
209:5144 210:4564 211:2520 212:4512 213:3750 214:1050
215:48 216:6582 217:3099 218:1327 219:376 220:2070
221:1069 222:720 223:2318
End of report
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