[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 7 22:47:10 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 07 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: 1032876
Prefixes after maximum aggregation (per Origin AS): 381595
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479695
Total ASes present in the Internet Routing Table: 76989
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66251
Origin ASes announcing only one prefix: 26376
Transit ASes present in the Internet Routing Table: 10738
Transit-only ASes present in the Internet Routing Table: 547
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: 1074
Number of instances of unregistered ASNs: 1077
Number of 32-bit ASNs allocated by the RIRs: 46348
Number of 32-bit ASNs visible in the Routing Table: 38279
Prefixes from 32-bit ASNs in the Routing Table: 212871
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3111908389
Equivalent to 185 /8s, 123 /16s and 244 /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: 349653
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265457
Total APNIC prefixes after maximum aggregation: 77441
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256540
Unique aggregates announced from the APNIC address blocks: 103326
APNIC Region origin ASes present in the Internet Routing Table: 14656
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1940
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10145
Number of APNIC addresses announced to Internet: 749386560
Equivalent to 44 /8s, 170 /16s and 187 /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: 297119
Total ARIN prefixes after maximum aggregation: 131688
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 298069
Unique aggregates announced from the ARIN address blocks: 138562
ARIN Region origin ASes present in the Internet Routing Table: 19266
ARIN Prefixes per ASN: 15.47
ARIN Region origin ASes announcing only one prefix: 7029
ARIN Region transit ASes present in the Internet Routing Table: 1914
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5210
Number of ARIN addresses announced to Internet: 1353296384
Equivalent to 80 /8s, 169 /16s and 170 /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: 291054
Total RIPE prefixes after maximum aggregation: 135263
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288630
Unique aggregates announced from the RIPE address blocks: 174480
RIPE Region origin ASes present in the Internet Routing Table: 28980
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12019
RIPE Region transit ASes present in the Internet Routing Table: 3882
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12447
Number of RIPE addresses announced to Internet: 731757669
Equivalent to 43 /8s, 157 /16s and 188 /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: 138715
Total LACNIC prefixes after maximum aggregation: 29683
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 135218
Unique aggregates announced from the LACNIC address blocks: 48976
LACNIC Region origin ASes present in the Internet Routing Table: 11239
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2231
LACNIC Region transit ASes present in the Internet Routing Table: 2469
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: 9191
Number of LACNIC addresses announced to Internet: 171856256
Equivalent to 10 /8s, 62 /16s and 81 /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: 39457
Total AfriNIC prefixes after maximum aggregation: 6875
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 53947
Unique aggregates announced from the AfriNIC address blocks: 13963
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 28.11
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 362
Average AfriNIC Region AS path length visible: 3.5
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: 105387008
Equivalent to 6 /8s, 72 /16s and 20 /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 10656 8754 90 CHINAMOBILE-CN China Mobile Communication
7545 6217 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4360 533 295 BBIL-AP BHARTI Airtel Ltd., IN
18403 4332 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3286 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2867 852 535 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 13321 40823 4555 AMAZON-02, US
174 5533 8750 903 COGENT-174, US
11492 4721 313 593 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3365 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3154 1322 2268 AKAMAI-AS, US
396982 2956 3657 470 GOOGLE-CLOUD-PLATFORM, US
36352 2785 228 852 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 7707 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4080 3396 140 AKAMAI-ASN1, NL
9009 3823 330 1987 M247, RO
12389 3074 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2134 150 1575 CDNEXT, GB
8452 1943 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 12346 3263 682 UNINET, MX
10620 3523 486 995 Telmex Colombia S.A., CO
13999 2514 540 362 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1335 784 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1100 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1058 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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1600 103 23 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 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 13321 40823 4555 AMAZON-02, US
8151 12346 3263 682 UNINET, MX
9808 10656 8754 90 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7707 1714 148 UNI2-AS, ES
7545 6217 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5533 8750 903 COGENT-174, US
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4721 313 593 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 12346 11664 UNINET, MX
9808 10656 10566 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7707 7559 UNI2-AS, ES
7545 6217 5561 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4782 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5533 4630 COGENT-174, US
18403 4332 4307 FPT-AS-AP FPT Telecom Company, VN
11492 4721 4128 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
23.152.48.0/24 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 /12:300
/13:583 /14:1233 /15:2201 /16:14103 /17:8442 /18:14212
/19:25353 /20:45813 /21:54419 /22:115570 /23:109940 /24:637274
/25:586 /26:591 /27:1056 /28:67 /29:106 /30:20
/31:2 /32:838
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6628 7707 UNI2-AS, ES
8151 6492 12346 UNINET, MX
11492 3533 4721 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2513 3365 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2314 13321 AMAZON-02, US
30036 2217 2557 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2379 2:1535 3:694 4:26 5:4999 6:162
7:6 8:1666 9:1 11:172 12:1371 13:362
14:2563 15:355 16:283 17:372 18:921 20:528
21:4 22:188 23:7586 24:2907 25:2 27:2810
29:19 31:3328 32:52 33:1 34:84 35:210
36:2690 37:4817 38:10436 39:908 40:169 41:4750
42:1978 43:2619 44:376 45:20097 46:5116 47:298
49:1950 50:1906 51:590 52:1585 54:306 55:1095
56:11 57:266 58:2291 59:1435 60:1170 61:3028
62:3057 63:1845 64:5535 65:2195 66:4751 67:3128
68:1152 69:4002 70:1107 71:635 72:2953 74:2813
75:1628 76:620 77:2839 78:4353 79:1781 80:2242
81:2240 82:3275 83:1476 84:1874 85:4405 86:1058
87:2425 88:3547 89:4529 90:779 91:8467 92:2737
93:2920 94:4180 95:5608 96:1472 97:326 98:985
99:670 100:72 101:1428 102:4426 103:32543 104:4852
105:2236 106:1034 107:2642 108:1230 109:4137 110:2245
111:3375 112:2079 113:1829 114:1987 115:2264 116:2102
117:2615 118:2911 119:1971 120:1912 121:1441 122:2784
123:2413 124:1690 125:2886 126:91 128:1614 129:1030
130:1339 131:2103 132:890 133:451 134:1545 135:377
136:1312 137:1180 138:3229 139:1635 140:1594 141:1508
142:1946 143:1829 144:1106 145:509 146:2183 147:2107
148:2695 149:2934 150:1263 151:1846 152:2125 153:564
154:8605 155:1704 156:3423 157:1929 158:1309 159:2450
160:3694 161:1907 162:3748 163:2151 164:1762 165:2242
166:1476 167:1924 168:4370 169:821 170:5545 171:1012
172:4428 173:3290 174:910 175:1306 176:3809 177:6112
178:3806 179:2749 180:2685 181:4232 182:3419 183:2061
184:2120 185:21849 186:5806 187:5062 188:4351 189:4667
190:9911 191:2069 192:11287 193:9552 194:7898 195:5693
196:3679 197:3997 198:6254 199:8532 200:8756 201:6575
202:10739 203:10754 204:4576 205:3674 206:4673 207:3599
208:4300 209:5301 210:4900 211:2637 212:4712 213:3842
214:1027 215:48 216:6809 217:3210 218:1396 219:551
220:2096 221:1087 222:847 223:2368
End of report
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