[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Apr 24 22:47:06 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 24 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: 1031629
Prefixes after maximum aggregation (per Origin AS): 380367
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479010
Total ASes present in the Internet Routing Table: 76946
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66225
Origin ASes announcing only one prefix: 26347
Transit ASes present in the Internet Routing Table: 10721
Transit-only ASes present in the Internet Routing Table: 533
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: 1129
Number of instances of unregistered ASNs: 1132
Number of 32-bit ASNs allocated by the RIRs: 46259
Number of 32-bit ASNs visible in the Routing Table: 38234
Prefixes from 32-bit ASNs in the Routing Table: 212400
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 471
Number of addresses announced to Internet: 3108089317
Equivalent to 185 /8s, 65 /16s and 173 /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: 349115
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 264668
Total APNIC prefixes after maximum aggregation: 77080
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256318
Unique aggregates announced from the APNIC address blocks: 103319
APNIC Region origin ASes present in the Internet Routing Table: 14653
APNIC Prefixes per ASN: 17.49
APNIC Region origin ASes announcing only one prefix: 4458
APNIC Region transit ASes present in the Internet Routing Table: 1944
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: 10145
Number of APNIC addresses announced to Internet: 749465664
Equivalent to 44 /8s, 171 /16s and 240 /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: 297059
Total ARIN prefixes after maximum aggregation: 131104
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297756
Unique aggregates announced from the ARIN address blocks: 138381
ARIN Region origin ASes present in the Internet Routing Table: 19259
ARIN Prefixes per ASN: 15.46
ARIN Region origin ASes announcing only one prefix: 7024
ARIN Region transit ASes present in the Internet Routing Table: 1903
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: 5200
Number of ARIN addresses announced to Internet: 1349033728
Equivalent to 80 /8s, 104 /16s and 159 /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: 290682
Total RIPE prefixes after maximum aggregation: 135035
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288242
Unique aggregates announced from the RIPE address blocks: 174168
RIPE Region origin ASes present in the Internet Routing Table: 28966
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12013
RIPE Region transit ASes present in the Internet Routing Table: 3877
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12427
Number of RIPE addresses announced to Internet: 732068645
Equivalent to 43 /8s, 162 /16s and 123 /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: 138801
Total LACNIC prefixes after maximum aggregation: 29617
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135518
Unique aggregates announced from the LACNIC address blocks: 48952
LACNIC Region origin ASes present in the Internet Routing Table: 11235
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2205
LACNIC Region transit ASes present in the Internet Routing Table: 2460
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: 9177
Number of LACNIC addresses announced to Internet: 171874944
Equivalent to 10 /8s, 62 /16s and 154 /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: 39290
Total AfriNIC prefixes after maximum aggregation: 6868
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 53322
Unique aggregates announced from the AfriNIC address blocks: 13801
AfriNIC Region origin ASes present in the Internet Routing Table: 1917
AfriNIC Prefixes per ASN: 27.82
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1285
Number of AfriNIC addresses announced to Internet: 105422080
Equivalent to 6 /8s, 72 /16s and 157 /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 10370 8754 95 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4889 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4323 531 278 BBIL-AP BHARTI Airtel Ltd., IN
18403 4266 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2862 851 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2206 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 13273 39709 4111 AMAZON-02, US
174 5635 8757 934 COGENT-174, US
11492 4700 312 585 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3406 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3120 1312 2258 AKAMAI-AS, US
396982 2967 3651 475 GOOGLE-CLOUD-PLATFORM, US
36352 2716 224 830 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 7719 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4069 3396 140 AKAMAI-ASN1, NL
9009 3789 327 1971 M247, RO
12389 3074 2303 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2106 149 1546 CDNEXT, GB
8452 1939 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 12275 3262 699 UNINET, MX
10620 3516 485 994 Telmex Colombia S.A., CO
13999 2508 539 367 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1600 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1189 371 21 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1094 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1056 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 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1589 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 13273 39709 4111 AMAZON-02, US
8151 12275 3262 699 UNINET, MX
9808 10370 8754 95 CHINAMOBILE-CN China Mobile Communication
47331 9747 1294 1095 TTNET, TR
12479 7719 1714 145 UNI2-AS, ES
7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5635 8757 934 COGENT-174, US
4538 4889 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4700 312 585 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 12275 11576 UNINET, MX
9808 10370 10275 CHINAMOBILE-CN China Mobile Communications Grou
47331 9747 8652 TTNET, TR
12479 7719 7574 UNI2-AS, ES
7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4889 4812 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5635 4701 COGENT-174, US
18403 4266 4241 FPT-AS-AP FPT Telecom Company, VN
11492 4700 4115 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
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 /12:300
/13:584 /14:1234 /15:2196 /16:14040 /17:8460 /18:14251
/19:25380 /20:45865 /21:54517 /22:115706 /23:109885 /24:635792
/25:585 /26:582 /27:1058 /28:66 /29:106 /30:20
/31:2 /32:833
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8828 9747 TTNET, TR
12479 6640 7719 UNI2-AS, ES
8151 6422 12275 UNINET, MX
11492 3531 4700 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2543 3406 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2364 13273 AMAZON-02, US
30036 2208 2548 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2382 2:1539 3:618 4:25 5:4955 6:163
7:6 8:1645 9:1 10:1 11:172 12:1375
13:356 14:2555 15:354 16:283 17:369 18:923
20:523 21:4 22:188 23:7552 24:2900 25:2
27:2801 29:19 31:3315 32:51 34:84 35:211
36:2425 37:4797 38:10358 39:908 40:170 41:4745
42:1921 43:2617 44:379 45:20097 46:5094 47:296
49:1947 50:1902 51:591 52:1591 54:298 55:1092
56:11 57:265 58:2290 59:1435 60:1171 61:3029
62:3052 63:1844 64:5540 65:2214 66:4746 67:3126
68:1150 69:4020 70:1081 71:630 72:2934 74:2824
75:1622 76:619 77:2846 78:4357 79:1776 80:2236
81:2235 82:3236 83:1467 84:1869 85:4404 86:1054
87:2427 88:3541 89:4499 90:787 91:8458 92:2740
93:2917 94:4141 95:5617 96:1463 97:323 98:998
99:668 100:72 101:1419 102:4267 103:32562 104:4847
105:2234 106:1045 107:2638 108:1222 109:4143 110:2244
111:3372 112:2072 113:1825 114:1984 115:2268 116:2095
117:2742 118:2913 119:1973 120:1911 121:1437 122:2783
123:2412 124:1685 125:2900 126:91 128:1609 129:1038
130:1331 131:2069 132:895 133:450 134:1543 135:376
136:1313 137:1182 138:3243 139:1631 140:1585 141:1497
142:1948 143:1767 144:1091 145:521 146:2181 147:2102
148:2679 149:2974 150:1260 151:1760 152:2125 153:571
154:8393 155:1653 156:3259 157:1917 158:1299 159:2447
160:3702 161:1930 162:3773 163:2104 164:1761 165:2239
166:1449 167:1918 168:4388 169:823 170:5523 171:1012
172:4494 173:3270 174:909 175:1309 176:3806 177:6088
178:3886 179:2742 180:2673 181:4225 182:3383 183:2054
184:2151 185:21838 186:5782 187:5086 188:4333 189:4675
190:9984 191:2068 192:11302 193:9511 194:7893 195:5680
196:3691 197:3969 198:6241 199:8523 200:8780 201:6553
202:10854 203:10750 204:4577 205:3710 206:4678 207:3586
208:4244 209:5276 210:4926 211:2643 212:4714 213:3911
214:1027 215:48 216:6713 217:3211 218:1389 219:550
220:2092 221:1059 222:849 223:2337
End of report
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