[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Apr 20 22:46:21 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 20 Apr, 2025
IPv4 BGP Table (Global) as seen at RouteViews OIX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/OIX/
Analysis Summary
----------------
BGP routing table entries examined: 1035712
Prefixes after maximum aggregation (per Origin AS): 380263
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 478053
Total ASes present in the Internet Routing Table: 77060
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66204
Origin ASes announcing only one prefix: 26346
Transit ASes present in the Internet Routing Table: 10856
Transit-only ASes present in the Internet Routing Table: 546
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1357
Number of instances of unregistered ASNs: 1363
Number of 32-bit ASNs allocated by the RIRs: 46256
Number of 32-bit ASNs visible in the Routing Table: 38248
Prefixes from 32-bit ASNs in the Routing Table: 212381
Number of bogon 32-bit ASNs visible in the Routing Table: 79
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 488
Number of addresses announced to Internet: 3113141477
Equivalent to 185 /8s, 142 /16s and 196 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 350291
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267283
Total APNIC prefixes after maximum aggregation: 77175
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 258888
Unique aggregates announced from the APNIC address blocks: 102912
APNIC Region origin ASes present in the Internet Routing Table: 14684
APNIC Prefixes per ASN: 17.63
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1972
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10138
Number of APNIC addresses announced to Internet: 753841984
Equivalent to 44 /8s, 238 /16s and 183 /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: 296954
Total ARIN prefixes after maximum aggregation: 130974
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297551
Unique aggregates announced from the ARIN address blocks: 137863
ARIN Region origin ASes present in the Internet Routing Table: 19282
ARIN Prefixes per ASN: 15.43
ARIN Region origin ASes announcing only one prefix: 7028
ARIN Region transit ASes present in the Internet Routing Table: 1916
Average ARIN Region AS path length visible: 4.5
Max ARIN Region AS path length visible: 26
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5201
Number of ARIN addresses announced to Internet: 1349626880
Equivalent to 80 /8s, 113 /16s and 172 /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: 292031
Total RIPE prefixes after maximum aggregation: 134849
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289893
Unique aggregates announced from the RIPE address blocks: 174071
RIPE Region origin ASes present in the Internet Routing Table: 28969
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12007
RIPE Region transit ASes present in the Internet Routing Table: 3915
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12429
Number of RIPE addresses announced to Internet: 732118565
Equivalent to 43 /8s, 163 /16s and 62 /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: 138673
Total LACNIC prefixes after maximum aggregation: 29601
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135435
Unique aggregates announced from the LACNIC address blocks: 49017
LACNIC Region origin ASes present in the Internet Routing Table: 11243
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2214
LACNIC Region transit ASes present in the Internet Routing Table: 2497
Average LACNIC Region AS path length visible: 3.7
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9190
Number of LACNIC addresses announced to Internet: 171918976
Equivalent to 10 /8s, 63 /16s and 70 /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: 39414
Total AfriNIC prefixes after maximum aggregation: 6860
AfriNIC Deaggregation factor: 5.75
Prefixes being announced from the AfriNIC address blocks: 53455
Unique aggregates announced from the AfriNIC address blocks: 13776
AfriNIC Region origin ASes present in the Internet Routing Table: 1922
AfriNIC Prefixes per ASN: 27.81
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 377
Average AfriNIC Region AS path length visible: 5.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1290
Number of AfriNIC addresses announced to Internet: 105405184
Equivalent to 6 /8s, 72 /16s and 91 /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 10411 8921 126 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4944 4194 78 ERX-CERNET-BKB China Education and Resear
9498 4321 531 277 BBIL-AP BHARTI Airtel Ltd., IN
18403 4267 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3925 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3912 1890 51 VNPT-AS-VN VNPT Corp, VN
7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2860 850 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2234 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13236 39708 4108 AMAZON-02, US
174 5402 8761 932 COGENT-174, US
11492 4694 311 587 CABLEONE, US
7155 3829 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3408 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3116 1307 2254 AKAMAI-AS, US
396982 2958 3650 469 GOOGLE-CLOUD-PLATFORM, US
36352 2710 222 831 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
47331 9747 1294 1095 TTNET, TR
12479 7702 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4055 3396 142 AKAMAI-ASN1, NL
9009 3801 329 1980 M247, RO
12389 3072 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2412 363 578 TELLCOM-AS, TR
212238 2096 148 1541 CDNEXT, GB
8452 1966 1852 14 TE-AS TE-AS, EG
5384 1788 585 29 EMIRATES-INTERNET Emirates Internet, AE
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12256 3262 694 UNINET, MX
10620 3522 486 992 Telmex Colombia S.A., CO
13999 2515 539 364 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1600 2438 256 Claro NXT Telecomunicacoes Ltda, BR
3816 1333 784 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1190 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1085 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1054 70 382 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
Complete listing at https://bgp.nsrc.org/REN/OIX/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
37457 1639 316 32 Telkom-Internet, ZA
29571 1588 102 22 ORANGE-COTE-IVOIRE, CI
36992 1433 1518 283 ETISALAT-MISR, EG
20011 1296 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
37069 932 1099 15 MOBINIL, EG
3741 560 661 319 IS, ZA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13236 39708 4108 AMAZON-02, US
8151 12256 3262 694 UNINET, MX
9808 10411 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9747 1294 1095 TTNET, TR
12479 7702 1714 145 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5402 8761 932 COGENT-174, US
4538 4944 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4694 311 587 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12256 11562 UNINET, MX
9808 10411 10285 CHINAMOBILE-CN China Mobile Communications Grou
47331 9747 8652 TTNET, TR
12479 7702 7557 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4944 4866 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5402 4470 COGENT-174, US
18403 4267 4242 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
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/OIX/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, MX
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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/OIX/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 /12:301
/13:586 /14:1237 /15:2201 /16:14116 /17:8607 /18:14806
/19:25635 /20:46253 /21:54999 /22:116607 /23:111475 /24:635469
/25:585 /26:582 /27:1059 /28:66 /29:107 /30:20
/31:2 /32:832
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8828 9747 TTNET, TR
12479 6623 7702 UNI2-AS, ES
8151 6406 12256 UNINET, MX
11492 3531 4694 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2787 3829 VIASAT-SP-BACKBONE, US
22773 2545 3408 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2351 13236 AMAZON-02, US
30036 2218 2558 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2380 2:1545 3:618 4:25 5:4943 6:163
7:6 8:1649 9:1 10:1 11:172 12:1374
13:355 14:2554 15:354 16:283 17:369 18:923
20:523 21:4 22:188 23:7515 24:2899 25:2
27:2799 29:19 31:3309 32:51 34:84 35:209
36:2423 37:4772 38:10229 39:906 40:166 41:4771
42:1933 43:2613 44:379 45:20084 46:5080 47:293
49:1940 50:1910 51:590 52:1588 54:300 55:1006
56:11 57:265 58:2298 59:1435 60:1171 61:3094
62:3040 63:1849 64:5553 65:2217 66:4728 67:3125
68:1146 69:4017 70:1083 71:630 72:2934 74:2829
75:1610 76:617 77:2851 78:4355 79:1770 80:2238
81:2229 82:3241 83:1466 84:1872 85:4395 86:1058
87:2422 88:3538 89:4469 90:787 91:8456 92:2801
93:2918 94:4153 95:5618 96:1452 97:323 98:999
99:642 100:72 101:1425 102:4287 103:32524 104:4846
105:2234 106:987 107:2635 108:1220 109:4139 110:2276
111:3376 112:2073 113:1827 114:1983 115:2260 116:2093
117:2743 118:2917 119:2009 120:1907 121:1439 122:2894
123:2409 124:1685 125:2904 126:91 128:1608 129:1036
130:1319 131:2086 132:903 133:451 134:1540 135:377
136:1313 137:1168 138:3260 139:1624 140:1591 141:1490
142:1948 143:1753 144:1085 145:520 146:2180 147:2118
148:2675 149:3000 150:1255 151:1757 152:2128 153:568
154:8336 155:1640 156:3246 157:1921 158:1297 159:2444
160:3701 161:1924 162:3777 163:2100 164:1762 165:2240
166:1449 167:1919 168:4380 169:822 170:5529 171:1008
172:4504 173:3267 174:906 175:1306 176:3816 177:6117
178:3925 179:2746 180:2671 181:4220 182:3375 183:2049
184:2152 185:21821 186:5775 187:5069 188:4329 189:4637
190:9966 191:2072 192:11291 193:9506 194:7887 195:5688
196:3679 197:3985 198:6238 199:8495 200:8778 201:6551
202:10897 203:10782 204:4574 205:3716 206:4680 207:3590
208:4232 209:5266 210:4888 211:2634 212:4696 213:3897
214:1028 215:48 216:6729 217:3201 218:1393 219:550
220:2090 221:1059 222:848 223:2342
End of report
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