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 04 Jul, 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: 1054516 Prefixes after maximum aggregation (per Origin AS): 407686 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 525437 Number of IPv4 prefixes with a valid ROA: 707768 Number of IPv4 prefixes with an invalid ROA: 1328 Number of IPv4 prefixes with no ROA: 345420 Total ASes present in the Internet Routing Table: 78769 Prefixes per ASN: 13.39 Origin-only ASes present in the Internet Routing Table: 67540 Origin ASes announcing only one prefix: 27523 Transit ASes present in the Internet Routing Table: 11229 Transit-only ASes present in the Internet Routing Table: 596 Paths with bogon ASNs present in the IPv4 Routing Table: 296 Average AS path length visible in the Internet Routing Table: 4.9 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1442 Number of instances of unregistered ASNs: 1480 Number of 32-bit ASNs allocated by the RIRs: 50306 Number of 32-bit ASNs visible in the Routing Table: 41026 Prefixes from 32-bit ASNs in the Routing Table: 236237 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: 490 Number of addresses announced to Internet: 3119179264 Equivalent to 185 /8s, 234 /16s and 230 /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: 347952 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 282729 Total APNIC prefixes after maximum aggregation: 84629 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 268957 Unique aggregates announced from the APNIC address blocks: 109605 APNIC Region origin ASes present in the Internet Routing Table: 15248 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 4711 APNIC Region transit ASes present in the Internet Routing Table: 2038 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 41 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10862 Number of APNIC addresses announced to Internet: 748875776 Equivalent to 44 /8s, 162 /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: 305698 Total ARIN prefixes after maximum aggregation: 137844 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304145 Unique aggregates announced from the ARIN address blocks: 149682 ARIN Region origin ASes present in the Internet Routing Table: 19438 ARIN Prefixes per ASN: 15.65 ARIN Region origin ASes announcing only one prefix: 7110 ARIN Region transit ASes present in the Internet Routing Table: 1939 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 65 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5650 Number of ARIN addresses announced to Internet: 1348270592 Equivalent to 80 /8s, 92 /16s and 250 /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: 294943 Total RIPE prefixes after maximum aggregation: 146174 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 298927 Unique aggregates announced from the RIPE address blocks: 195545 RIPE Region origin ASes present in the Internet Routing Table: 29615 RIPE Prefixes per ASN: 10.09 RIPE Region origin ASes announcing only one prefix: 12258 RIPE Region transit ASes present in the Internet Routing Table: 4067 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13601 Number of RIPE addresses announced to Internet: 749664256 Equivalent to 44 /8s, 174 /16s and 248 /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: 129486 Total LACNIC prefixes after maximum aggregation: 30944 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 124245 Unique aggregates announced from the LACNIC address blocks: 50449 LACNIC Region origin ASes present in the Internet Routing Table: 11434 LACNIC Prefixes per ASN: 10.87 LACNIC Region origin ASes announcing only one prefix: 2741 LACNIC Region transit ASes present in the Internet Routing Table: 2607 Average LACNIC Region AS path length visible: 5.5 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9505 Number of LACNIC addresses announced to Internet: 167774464 Equivalent to 10 /8s, 0 /16s and 9 /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: 40218 Total AfriNIC prefixes after maximum aggregation: 7266 AfriNIC Deaggregation factor: 5.54 Prefixes being announced from the AfriNIC address blocks: 57752 Unique aggregates announced from the AfriNIC address blocks: 19742 AfriNIC Region origin ASes present in the Internet Routing Table: 2043 AfriNIC Prefixes per ASN: 28.27 AfriNIC Region origin ASes announcing only one prefix: 703 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1408 Number of AfriNIC addresses announced to Internet: 104320768 Equivalent to 6 /8s, 55 /16s and 207 /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 14001 8735 118 CHINAMOBILE-CN - China Mobile Communicati 7545 5853 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4992 554 336 BBIL-AP - BHARTI Airtel Ltd., IN 7552 4074 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3730 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3572 888 178 CMNET-Jiangsu-AP - China Mobile communica 17561 3394 213 591 LCS-AS-AP - LARUS Limited, HK 45899 3376 1868 98 VNPT-AS-VN - VNPT Corp, VN 24560 2737 732 733 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 140292 2510 274 1974 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 15490 41509 5595 AMAZON-02 - Amazon.com, Inc., US 22773 4776 3116 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4554 303 1128 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3717 1305 74 SHAW - Shaw Communications, CA 396982 3414 4871 525 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3157 237 1088 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2698 2551 885 WINDSTREAM - Windstream Communications LL 30036 2549 352 566 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 7065 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4223 381 2567 M247 - M247 Europe SRL, RO 20940 3921 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3386 242 2533 CDNEXT - Datacamp Limited, GB 12389 3139 2321 871 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2494 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1724 108 821 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1707 1852 14 TE-AS - IDDQD-AS, EG 203020 1661 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 12786 3257 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2299 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1909 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1376 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1207 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 70 388 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1064 2385 96 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 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1315 523 46 Vodafone Data - Vodafone Data, EG 24863 1297 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 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 629 57 207 Africa on Cloud - Africa on Cloud, ZA 36873 571 141 36 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 15490 41509 5595 AMAZON-02 - Amazon.com, Inc., US 9808 14001 8735 118 CHINAMOBILE-CN - China Mobile Communicati 8151 12786 3257 626 AS8151 - UNINET, MX 12479 7065 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5853 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4992 554 336 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4776 3116 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4554 303 1128 CABLEONE - CABLE ONE, INC., US 9009 4223 381 2567 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 14001 13883 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12786 12160 AS8151 - UNINET, MX 12479 7065 6915 UNI2-AS - Orange Espagne SA, ES 7545 5853 5385 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4992 4656 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4776 4416 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4074 4050 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 VIASAT-SP-BACKBONE - ViaSat,Inc., US 20940 3921 3811 AKAMAI-ASN1 - Akamai International B.V., NL 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 64501 DOCUMENT 5.255.139.0/24 9140 HYPERNEPH - Hyperneph L 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 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: 32217 GPIEX - GPIEX INC, US 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 /13:589 /14:1189 /15:2121 /16:13704 /17:8308 /18:13384 /19:25456 /20:45635 /21:52677 /22:113599 /23:108601 /24:668787 /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 6999 12786 AS8151 - UNINET, MX 12479 5992 7065 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3500 3717 SHAW - Shaw Communications, CA 11492 3444 4554 CABLEONE - CABLE ONE, INC., US 22773 3053 4776 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2878 15490 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2204 2549 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) ---------------------------------------------- 1:1895 2:2076 3:1020 4:5 5:5246 6:207 7:6 8:1417 9:76 11:172 12:1111 13:770 14:2722 15:474 16:367 17:448 18:946 20:607 21:4 22:188 23:8526 24:2780 25:2 27:2750 28:1 29:19 31:3830 32:37 34:92 35:287 36:4820 37:4432 38:10110 39:1340 40:441 41:4771 42:1023 43:3264 44:465 45:19922 46:4984 47:459 48:168 49:2294 50:2005 51:903 52:1363 54:303 55:1162 56:11 57:331 58:2738 59:1485 60:1207 61:3136 62:3197 63:1693 64:6483 65:2150 66:6084 67:3317 68:1283 69:4094 70:1053 71:610 72:3246 74:3055 75:1507 76:598 77:2905 78:2133 79:1796 80:2375 81:2312 82:4315 83:1486 84:2190 85:3891 86:1094 87:2917 88:1316 89:4851 90:777 91:8508 92:2770 93:3037 94:4675 95:4723 96:1452 97:311 98:933 99:972 100:72 101:1369 102:5142 103:32283 104:5610 105:1278 106:904 107:2942 108:1323 109:3902 110:2284 111:4143 112:3110 113:1820 114:2508 115:2236 116:2080 117:3630 118:2607 119:2045 120:2763 121:1620 122:3012 123:2216 124:1988 125:3003 126:158 128:1575 129:1013 130:1696 131:2516 132:891 133:488 134:1752 135:643 136:1526 137:1377 138:3416 139:1797 140:1862 141:1738 142:2618 143:2099 144:1833 145:677 146:2183 147:2268 148:2819 149:3344 150:1352 151:2955 152:2385 153:1882 154:10079 155:2355 156:4589 157:2430 158:1599 159:2882 160:3919 161:2040 162:4142 163:2637 164:2431 165:2776 166:1302 167:2354 168:4107 169:890 170:5629 171:1138 172:4917 173:3481 174:900 175:1354 176:4037 177:5145 178:4529 179:2477 180:3377 181:4654 182:4025 183:2847 184:2045 185:21983 186:6509 187:5503 188:4824 189:4644 190:9956 191:1818 192:11819 193:9650 194:7949 195:5915 196:3762 197:3727 198:6144 199:6084 200:8237 201:6584 202:10483 203:10520 204:4712 205:3743 206:4422 207:3891 208:4344 209:5418 210:4619 211:2687 212:5203 213:4106 214:1036 215:47 216:7281 217:3760 218:1772 219:412 220:2205 221:1329 222:940 223:3582 End of report