This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from RENU's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 18:40 GMT Sat 20 Jun, 2026 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 1054403 Prefixes after maximum aggregation (per Origin AS): 407186 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 523332 Number of IPv4 prefixes with a valid ROA: 704980 Number of IPv4 prefixes with an invalid ROA: 1181 Number of IPv4 prefixes with no ROA: 348242 Total ASes present in the Internet Routing Table: 78751 Prefixes per ASN: 13.39 Origin-only ASes present in the Internet Routing Table: 67432 Origin ASes announcing only one prefix: 27500 Transit ASes present in the Internet Routing Table: 11319 Transit-only ASes present in the Internet Routing Table: 595 Paths with bogon ASNs present in the IPv4 Routing Table: 176 Average AS path length visible in the Internet Routing Table: 5.0 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1324 Number of instances of unregistered ASNs: 1365 Number of 32-bit ASNs allocated by the RIRs: 50213 Number of 32-bit ASNs visible in the Routing Table: 40950 Prefixes from 32-bit ASNs in the Routing Table: 234859 Number of bogon 32-bit ASNs visible in the Routing Table: 135 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 466 Number of addresses announced to Internet: 3120719104 Equivalent to 186 /8s, 2 /16s and 101 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 348269 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 282558 Total APNIC prefixes after maximum aggregation: 84609 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 268825 Unique aggregates announced from the APNIC address blocks: 109277 APNIC Region origin ASes present in the Internet Routing Table: 15205 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 4673 APNIC Region transit ASes present in the Internet Routing Table: 2044 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 46 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10819 Number of APNIC addresses announced to Internet: 747920640 Equivalent to 44 /8s, 148 /16s and 93 /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: 305152 Total ARIN prefixes after maximum aggregation: 137802 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 304024 Unique aggregates announced from the ARIN address blocks: 148864 ARIN Region origin ASes present in the Internet Routing Table: 19427 ARIN Prefixes per ASN: 15.65 ARIN Region origin ASes announcing only one prefix: 7109 ARIN Region transit ASes present in the Internet Routing Table: 1955 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 65 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5625 Number of ARIN addresses announced to Internet: 1348441856 Equivalent to 80 /8s, 95 /16s and 151 /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, 393216-404380 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: 294289 Total RIPE prefixes after maximum aggregation: 145868 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 297861 Unique aggregates announced from the RIPE address blocks: 194863 RIPE Region origin ASes present in the Internet Routing Table: 29654 RIPE Prefixes per ASN: 10.04 RIPE Region origin ASes announcing only one prefix: 12279 RIPE Region transit ASes present in the Internet Routing Table: 4084 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13591 Number of RIPE addresses announced to Internet: 749878272 Equivalent to 44 /8s, 178 /16s and 60 /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 196608-219547 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: 130866 Total LACNIC prefixes after maximum aggregation: 30919 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 125601 Unique aggregates announced from the LACNIC address blocks: 50286 LACNIC Region origin ASes present in the Internet Routing Table: 11433 LACNIC Prefixes per ASN: 10.99 LACNIC Region origin ASes announcing only one prefix: 2719 LACNIC Region transit ASes present in the Internet Routing Table: 2641 Average LACNIC Region AS path length visible: 5.6 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9499 Number of LACNIC addresses announced to Internet: 169754368 Equivalent to 10 /8s, 30 /16s and 63 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 40214 Total AfriNIC prefixes after maximum aggregation: 7241 AfriNIC Deaggregation factor: 5.55 Prefixes being announced from the AfriNIC address blocks: 57626 Unique aggregates announced from the AfriNIC address blocks: 19645 AfriNIC Region origin ASes present in the Internet Routing Table: 2054 AfriNIC Prefixes per ASN: 28.06 AfriNIC Region origin ASes announcing only one prefix: 720 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1416 Number of AfriNIC addresses announced to Internet: 104471808 Equivalent to 6 /8s, 58 /16s and 29 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 13990 8734 115 CHINAMOBILE-CN - China Mobile Communicati 7545 5859 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4968 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 7552 4068 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3731 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3557 886 176 CMNET-Jiangsu-AP - China Mobile communica 17561 3432 216 599 LCS-AS-AP - LARUS Limited, HK 45899 3366 1868 98 VNPT-AS-VN - VNPT Corp, VN 24560 2730 731 736 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 140292 2496 274 1956 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15334 41454 5598 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4595 305 1117 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3377 4868 518 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3094 233 1038 AS-COLOCROSSING - HostPapa, US 7029 2684 2552 887 WINDSTREAM - Windstream Communications LL 30036 2546 353 577 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4188 380 2536 M247 - M247 Europe SRL, RO 20940 3903 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3350 239 2506 CDNEXT - Datacamp Limited, GB 12389 3149 2320 871 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2481 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1758 110 817 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1701 1852 14 TE-AS - IDDQD-AS, EG 203020 1665 253 829 HostRoyale - HostRoyale Technologies Pvt Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12828 3265 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2339 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1497 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1088 70 366 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1060 2392 100 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1863 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1276 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1115 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 20011 1055 188 278 Dimension Data - Dimension Data, ZA 328608 621 57 204 Africa on Cloud - Africa on Cloud, ZA 36873 569 141 35 Airtel Networks Limited - Airtel Networks Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15334 41454 5598 AMAZON-02 - Amazon.com, Inc., US 9808 13990 8734 115 CHINAMOBILE-CN - China Mobile Communicati 8151 12828 3265 626 AS8151 - UNINET, MX 12479 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5859 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4968 552 330 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4774 3115 359 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4595 305 1117 CABLEONE - CABLE ONE, INC., US 9009 4188 380 2536 M247 - M247 Europe SRL, RO Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13990 13875 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12828 12202 AS8151 - UNINET, MX 12479 7122 6972 UNI2-AS - Orange Espagne SA, ES 7545 5859 5390 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4968 4638 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4774 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4068 4044 VIETEL-AS-AP - Viettel Group, VN 20940 3903 3793 AKAMAI-ASN1 - Akamai International B.V., NL 7155 3871 3784 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887 - C 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 33132 CROWNCASTLE-AS33132 - C 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:97 /12:300 /13:588 /14:1192 /15:2116 /16:13688 /17:8298 /18:13386 /19:25465 /20:45576 /21:52592 /22:113688 /23:108642 /24:668706 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7031 12828 AS8151 - UNINET, MX 12479 6051 7122 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3725 SHAW - Shaw Communications, CA 11492 3479 4595 CABLEONE - CABLE ONE, INC., US 22773 3051 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2784 15334 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2204 2546 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2062 2:2083 3:1017 4:5 5:5186 6:204 7:6 8:1443 9:73 11:172 12:1113 13:764 14:2716 15:474 16:355 17:444 18:942 20:605 21:4 22:188 23:8455 24:2776 25:2 27:2736 28:1 29:19 31:3792 32:37 34:92 35:287 36:4807 37:4431 38:10131 39:1317 40:450 41:4772 42:1284 43:3223 44:464 45:20014 46:4973 47:445 48:168 49:2331 50:2007 51:874 52:1358 54:304 55:1173 56:11 57:327 58:2732 59:1483 60:1175 61:3135 62:3185 63:1695 64:6486 65:2155 66:6078 67:3312 68:1269 69:4101 70:1058 71:608 72:3236 74:3085 75:1497 76:594 77:2921 78:2112 79:1799 80:2347 81:2327 82:4342 83:1478 84:2227 85:3863 86:1088 87:2881 88:1317 89:4759 90:789 91:8478 92:2784 93:3009 94:4668 95:4692 96:1450 97:309 98:934 99:867 100:69 101:1367 102:5140 103:32233 104:5606 105:1251 106:901 107:2943 108:1312 109:3936 110:2283 111:4143 112:3101 113:1875 114:2505 115:2239 116:2075 117:3598 118:2707 119:2036 120:2738 121:1614 122:3000 123:2194 124:1916 125:3004 126:158 128:1578 129:1010 130:1697 131:2459 132:888 133:488 134:1743 135:637 136:1483 137:1366 138:3415 139:1791 140:1858 141:1723 142:2577 143:2085 144:1806 145:661 146:2185 147:2268 148:2812 149:3315 150:1367 151:2970 152:2376 153:1740 154:9874 155:2340 156:4584 157:2435 158:1597 159:2866 160:3906 161:2036 162:4132 163:2615 164:2398 165:2777 166:1274 167:2364 168:4114 169:900 170:5633 171:1140 172:4934 173:3477 174:904 175:1351 176:3971 177:5162 178:4538 179:2466 180:3386 181:4718 182:4021 183:2847 184:2067 185:21939 186:6612 187:5441 188:4788 189:4643 190:10624 191:1804 192:11760 193:9633 194:7878 195:5887 196:3748 197:3724 198:6131 199:6137 200:8632 201:6640 202:10440 203:10509 204:4742 205:3735 206:4440 207:3882 208:4356 209:5421 210:4600 211:2682 212:5130 213:4102 214:1038 215:47 216:7291 217:3722 218:1768 219:408 220:2210 221:1324 222:939 223:3588 End of report