[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 21 22:44:31 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 21 May, 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: 1035122
Prefixes after maximum aggregation (per Origin AS): 382667
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 480542
Total ASes present in the Internet Routing Table: 76946
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66225
Origin ASes announcing only one prefix: 26324
Transit ASes present in the Internet Routing Table: 10721
Transit-only ASes present in the Internet Routing Table: 542
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1084
Number of instances of unregistered ASNs: 1094
Number of 32-bit ASNs allocated by the RIRs: 46478
Number of 32-bit ASNs visible in the Routing Table: 38280
Prefixes from 32-bit ASNs in the Routing Table: 214195
Number of bogon 32-bit ASNs visible in the Routing Table: 88
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 450
Number of addresses announced to Internet: 3111478310
Equivalent to 185 /8s, 117 /16s and 100 /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: 349472
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266214
Total APNIC prefixes after maximum aggregation: 77693
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257255
Unique aggregates announced from the APNIC address blocks: 103336
APNIC Region origin ASes present in the Internet Routing Table: 14636
APNIC Prefixes per ASN: 17.58
APNIC Region origin ASes announcing only one prefix: 4433
APNIC Region transit ASes present in the Internet Routing Table: 1931
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10129
Number of APNIC addresses announced to Internet: 749619008
Equivalent to 44 /8s, 174 /16s and 71 /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: 297752
Total ARIN prefixes after maximum aggregation: 132500
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298598
Unique aggregates announced from the ARIN address blocks: 139159
ARIN Region origin ASes present in the Internet Routing Table: 19248
ARIN Prefixes per ASN: 15.51
ARIN Region origin ASes announcing only one prefix: 7016
ARIN Region transit ASes present in the Internet Routing Table: 1908
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5212
Number of ARIN addresses announced to Internet: 1353139712
Equivalent to 80 /8s, 167 /16s and 70 /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: 290935
Total RIPE prefixes after maximum aggregation: 135323
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288998
Unique aggregates announced from the RIPE address blocks: 174992
RIPE Region origin ASes present in the Internet Routing Table: 28971
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 12039
RIPE Region transit ASes present in the Internet Routing Table: 3872
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12457
Number of RIPE addresses announced to Internet: 731679334
Equivalent to 43 /8s, 156 /16s and 138 /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: 139632
Total LACNIC prefixes after maximum aggregation: 29741
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135417
Unique aggregates announced from the LACNIC address blocks: 49004
LACNIC Region origin ASes present in the Internet Routing Table: 11245
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2187
LACNIC Region transit ASes present in the Internet Routing Table: 2482
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: 9194
Number of LACNIC addresses announced to Internet: 171886720
Equivalent to 10 /8s, 62 /16s and 200 /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: 39505
Total AfriNIC prefixes after maximum aggregation: 6760
AfriNIC Deaggregation factor: 5.84
Prefixes being announced from the AfriNIC address blocks: 54403
Unique aggregates announced from the AfriNIC address blocks: 13653
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.32
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 368
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1288
Number of AfriNIC addresses announced to Internet: 104938752
Equivalent to 6 /8s, 65 /16s and 61 /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 11095 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6172 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4470 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4382 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3715 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3293 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2869 852 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13451 40828 5092 AMAZON-02, US
174 5362 8746 883 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3365 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3166 3851 418 GOOGLE-CLOUD-PLATFORM, US
16625 3155 1320 2270 AKAMAI-AS, US
36352 2827 231 858 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 9752 1296 1077 TTNET, TR
12479 7709 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4087 3396 140 AKAMAI-ASN1, NL
9009 3826 331 2013 M247, RO
12389 3079 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2438 363 572 TELLCOM-AS, TR
212238 2145 150 1576 CDNEXT, GB
8452 1935 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
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 12444 3269 682 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2510 540 364 Mega Cable, S.A. de C.V., MX
11830 1997 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
28202 1126 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1110 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1070 83 229 Latitude.sh LTDA, BR
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 1778 632 28 RAYA-AS, EG
24863 1653 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1603 102 33 ORANGE-COTE-IVOIRE, CI
36992 1435 1519 280 ETISALAT-MISR, EG
20011 1297 205 347 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1039 523 45 Vodafone-, 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 13451 40828 5092 AMAZON-02, US
8151 12444 3269 682 UNINET, MX
9808 11095 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7709 1714 148 UNI2-AS, ES
7545 6172 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5362 8746 883 COGENT-174, US
4538 4870 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 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 12444 11762 UNINET, MX
9808 11095 10997 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7709 7561 UNI2-AS, ES
7545 6172 5522 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4793 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5362 4479 COGENT-174, US
18403 4470 4445 FPT-AS-AP FPT Telecom Company, VN
11492 4735 4149 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
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/OIX/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/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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 Transit: 7018 ATT-INTERNET4, 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 /11:92 /12:299
/13:583 /14:1233 /15:2199 /16:14090 /17:8442 /18:14199
/19:25361 /20:46019 /21:54469 /22:115550 /23:110441 /24:638989
/25:586 /26:586 /27:1054 /28:68 /29:105 /30:18
/31:3 /32:662
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6625 7709 UNI2-AS, ES
8151 6582 12444 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2510 3365 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2323 13451 AMAZON-02, US
30036 2230 2570 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2416 2:1534 3:768 4:27 5:5021 6:163
7:6 8:1661 9:1 11:172 12:1366 13:432
14:2562 15:355 16:284 17:377 18:919 20:538
21:4 22:188 23:7625 24:2906 25:2 27:2818
29:19 31:3336 32:51 33:1 34:84 35:213
36:2976 37:4742 38:10413 39:911 40:169 41:4770
42:2019 43:2628 44:387 45:20184 46:5125 47:306
49:1953 50:1905 51:590 52:1592 54:313 55:1097
56:11 57:270 58:2310 59:1434 60:1167 61:3043
62:3051 63:1828 64:5523 65:2206 66:4750 67:3126
68:1153 69:4010 70:1085 71:639 72:2929 74:2812
75:1532 76:621 77:2817 78:4369 79:1587 80:2244
81:2261 82:3176 83:1474 84:1889 85:4391 86:1073
87:2414 88:3551 89:4551 90:778 91:8481 92:2720
93:2916 94:4135 95:5589 96:1476 97:325 98:982
99:686 100:71 101:1449 102:4392 103:32505 104:5066
105:2243 106:1035 107:2666 108:1237 109:3978 110:2256
111:3353 112:2112 113:1837 114:1992 115:2234 116:2106
117:2548 118:2898 119:1978 120:1976 121:1447 122:2791
123:2425 124:1705 125:2911 126:91 128:1645 129:1036
130:1339 131:2130 132:891 133:451 134:1552 135:378
136:1360 137:1184 138:3257 139:1603 140:1601 141:1502
142:1943 143:1890 144:1120 145:509 146:2214 147:2115
148:2716 149:2951 150:1224 151:1941 152:2118 153:565
154:8485 155:2001 156:3336 157:1933 158:1331 159:2462
160:3938 161:1902 162:3784 163:2186 164:1762 165:2247
166:1483 167:1937 168:4622 169:827 170:5560 171:1010
172:4461 173:3322 174:920 175:1302 176:3836 177:6091
178:3824 179:2770 180:2699 181:4242 182:3445 183:2149
184:2121 185:21873 186:5800 187:5100 188:4385 189:4685
190:9887 191:2062 192:11266 193:9569 194:7913 195:5710
196:3586 197:3947 198:6242 199:8554 200:8734 201:6617
202:10763 203:10731 204:4586 205:3676 206:4526 207:3607
208:4290 209:5301 210:4912 211:2645 212:4770 213:3883
214:1026 215:48 216:6834 217:3214 218:1404 219:556
220:2096 221:1096 222:851 223:2405
End of report
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