[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 20 22:46:20 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 20 Mar, 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: 1033034
Prefixes after maximum aggregation (per Origin AS): 378305
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475903
Total ASes present in the Internet Routing Table: 76844
Prefixes per ASN: 13.44
Origin-only ASes present in the Internet Routing Table: 66191
Origin ASes announcing only one prefix: 26242
Transit ASes present in the Internet Routing Table: 10653
Transit-only ASes present in the Internet Routing Table: 537
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1110
Number of instances of unregistered ASNs: 1121
Number of 32-bit ASNs allocated by the RIRs: 46115
Number of 32-bit ASNs visible in the Routing Table: 38052
Prefixes from 32-bit ASNs in the Routing Table: 211435
Number of bogon 32-bit ASNs visible in the Routing Table: 93
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 566
Number of addresses announced to Internet: 3115135589
Equivalent to 185 /8s, 173 /16s and 50 /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: 348864
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267108
Total APNIC prefixes after maximum aggregation: 76926
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258715
Unique aggregates announced from the APNIC address blocks: 102596
APNIC Region origin ASes present in the Internet Routing Table: 14616
APNIC Prefixes per ASN: 17.70
APNIC Region origin ASes announcing only one prefix: 4427
APNIC Region transit ASes present in the Internet Routing Table: 1941
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 48
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10076
Number of APNIC addresses announced to Internet: 754500672
Equivalent to 44 /8s, 248 /16s and 196 /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: 296436
Total ARIN prefixes after maximum aggregation: 130122
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296854
Unique aggregates announced from the ARIN address blocks: 136677
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.42
ARIN Region origin ASes announcing only one prefix: 7012
ARIN Region transit ASes present in the Internet Routing Table: 1889
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5175
Number of ARIN addresses announced to Internet: 1350679552
Equivalent to 80 /8s, 129 /16s and 188 /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: 290819
Total RIPE prefixes after maximum aggregation: 134245
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 288770
Unique aggregates announced from the RIPE address blocks: 173651
RIPE Region origin ASes present in the Internet Routing Table: 28922
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 11997
RIPE Region transit ASes present in the Internet Routing Table: 3835
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12349
Number of RIPE addresses announced to Internet: 732667557
Equivalent to 43 /8s, 171 /16s and 158 /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: 138675
Total LACNIC prefixes after maximum aggregation: 29476
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135348
Unique aggregates announced from the LACNIC address blocks: 49008
LACNIC Region origin ASes present in the Internet Routing Table: 11211
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2160
LACNIC Region transit ASes present in the Internet Routing Table: 2457
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9166
Number of LACNIC addresses announced to Internet: 171731072
Equivalent to 10 /8s, 60 /16s and 104 /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: 38886
Total AfriNIC prefixes after maximum aggregation: 6858
AfriNIC Deaggregation factor: 5.67
Prefixes being announced from the AfriNIC address blocks: 52779
Unique aggregates announced from the AfriNIC address blocks: 13498
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 27.49
AfriNIC Region origin ASes announcing only one prefix: 646
AfriNIC Region transit ASes present in the Internet Routing Table: 366
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105293312
Equivalent to 6 /8s, 70 /16s and 166 /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 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4395 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4267 530 278 BBIL-AP BHARTI Airtel Ltd., IN
45899 3914 1890 52 VNPT-AS-VN VNPT Corp, VN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2840 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2233 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 12958 39644 3974 AMAZON-02, US
174 5549 8765 960 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3389 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3093 1306 2231 AKAMAI-AS, US
396982 2945 3660 458 GOOGLE-CLOUD-PLATFORM, US
36352 2562 213 804 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 9719 1292 1203 TTNET, TR
12479 7757 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4033 3396 142 AKAMAI-ASN1, NL
9009 3783 326 1959 M247, RO
12389 3010 2303 891 ROSTELECOM-AS, RU
34984 2415 363 577 TELLCOM-AS, TR
212238 2050 146 1510 CDNEXT, GB
8452 1952 1852 14 TE-AS TE-AS, EG
5384 1798 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 12128 3259 687 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2512 539 367 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 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
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1072 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 Axtel, S.A.B. de C.V., MX
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 1703 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1621 389 16 LINKdotNET-AS, EG
29571 1561 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1276 198 333 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 883 1083 15 MOBINIL, EG
3741 562 661 321 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 12958 39644 3974 AMAZON-02, US
8151 12128 3259 687 UNINET, MX
9808 10391 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9719 1292 1203 TTNET, TR
12479 7757 1714 145 UNI2-AS, ES
7545 6215 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5549 8765 960 COGENT-174, US
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 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 12128 11441 UNINET, MX
9808 10391 10266 CHINAMOBILE-CN China Mobile Communications Grou
47331 9719 8516 TTNET, TR
12479 7757 7612 UNI2-AS, ES
7545 6215 5556 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4905 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5549 4589 COGENT-174, US
18403 4395 4370 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, 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 /12:304
/13:587 /14:1237 /15:2209 /16:14156 /17:8613 /18:14750
/19:25643 /20:46254 /21:54932 /22:116448 /23:111002 /24:633507
/25:590 /26:590 /27:1058 /28:71 /29:106 /30:20
/31:2 /32:788
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8801 9719 TTNET, TR
12479 6690 7757 UNI2-AS, ES
8151 6274 12128 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2525 3389 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2340 12958 AMAZON-02, US
30036 2213 2553 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2377 2:1536 3:597 4:25 5:4873 6:162
7:6 8:1644 9:1 10:1 11:172 12:1376
13:347 14:2550 15:352 16:279 17:364 18:920
20:474 21:4 22:188 23:7400 24:3077 25:2
27:2805 29:19 31:3291 32:55 34:83 35:210
36:2423 37:4836 38:10292 39:899 40:154 41:4709
42:2005 43:2609 44:356 45:20061 46:5062 47:290
49:2007 50:1898 51:590 52:1589 54:301 55:1070
56:9 57:261 58:2298 59:1391 60:1167 61:3099
62:3028 63:1858 64:5552 65:2204 66:4707 67:3071
68:1137 69:4007 70:1131 71:629 72:2938 74:2841
75:1663 76:616 77:2811 78:4247 79:1763 80:2234
81:2201 82:2913 83:1442 84:1833 85:4298 86:1045
87:2431 88:3426 89:4496 90:783 91:8447 92:2814
93:2915 94:4089 95:5467 96:1426 97:323 98:995
99:738 100:71 101:1328 102:4157 103:32577 104:4840
105:2228 106:999 107:2606 108:1218 109:4176 110:2272
111:3350 112:2064 113:1824 114:1961 115:2207 116:2100
117:2754 118:2892 119:2008 120:1908 121:1436 122:2885
123:2334 124:1686 125:2914 126:88 128:1608 129:1013
130:1317 131:2039 132:900 133:451 134:1532 135:375
136:1286 137:1173 138:3242 139:1622 140:1563 141:1487
142:1869 143:1756 144:1065 145:487 146:2185 147:2101
148:2629 149:2973 150:1263 151:2029 152:2124 153:574
154:8201 155:1636 156:3348 157:1932 158:1282 159:2433
160:3656 161:1999 162:3736 163:1952 164:1759 165:2239
166:1417 167:1916 168:4364 169:822 170:5540 171:1006
172:4487 173:3247 174:913 175:1288 176:3810 177:6165
178:4001 179:2820 180:2659 181:4201 182:3372 183:2071
184:2307 185:21807 186:5734 187:4999 188:4352 189:4589
190:9936 191:2085 192:11205 193:9488 194:7888 195:5690
196:3635 197:3950 198:6233 199:8443 200:8750 201:6568
202:10909 203:10771 204:4572 205:3688 206:4698 207:3590
208:4222 209:5259 210:4877 211:2635 212:4606 213:3869
214:1056 215:48 216:6685 217:3175 218:1386 219:549
220:2105 221:1057 222:851 223:2337
End of report
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