IPv4 R&E Routing Table Report 20:15 GMT Mon 06 Apr, 2026 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 289653 Prefixes after maximum aggregation (per Origin AS): 117501 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 146998 Number of IPv4 prefixes with a valid ROA: 148792 Number of IPv4 prefixes with an invalid ROA: 203 Number of IPv4 prefixes with no ROA: 140658 Total ASes present in the Internet Routing Table: 20157 Prefixes per ASN: 14.37 Origin-only ASes present in the Internet Routing Table: 17316 Origin ASes announcing only one prefix: 7793 Transit ASes present in the Internet Routing Table: 2841 Transit-only ASes present in the Internet Routing Table: 712 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.9 Max AS path length visible: 36 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 204 Number of instances of unregistered ASNs: 233 Number of 32-bit ASNs allocated by the RIRs: 49225 Number of 32-bit ASNs visible in the Routing Table: 8170 Prefixes from 32-bit ASNs in the Routing Table: 34281 Number of bogon 32-bit ASNs visible in the Routing Table: 70 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 100 Number of addresses announced to Internet: 1631574693 Equivalent to 97 /8s, 63 /16s and 218 /24s Percentage of available address space announced: 44.1 Percentage of allocated address space announced: 44.1 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: 93775 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42670 Total APNIC prefixes after maximum aggregation: 8008 APNIC Deaggregation factor: 5.33 Prefixes being announced from the APNIC address blocks: 39200 Unique aggregates announced from the APNIC address blocks: 7867 APNIC Region origin ASes present in the Internet Routing Table: 1203 APNIC Prefixes per ASN: 32.59 APNIC Region origin ASes announcing only one prefix: 497 APNIC Region transit ASes present in the Internet Routing Table: 213 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 590 Number of APNIC addresses announced to Internet: 179487340 Equivalent to 10 /8s, 178 /16s and 194 /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: 127811 Total ARIN prefixes after maximum aggregation: 65293 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125030 Unique aggregates announced from the ARIN address blocks: 70978 ARIN Region origin ASes present in the Internet Routing Table: 8945 ARIN Prefixes per ASN: 13.98 ARIN Region origin ASes announcing only one prefix: 3702 ARIN Region transit ASes present in the Internet Routing Table: 843 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2148 Number of ARIN addresses announced to Internet: 1017882153 Equivalent to 60 /8s, 171 /16s and 166 /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: 51727 Total RIPE prefixes after maximum aggregation: 25677 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 54882 Unique aggregates announced from the RIPE address blocks: 37898 RIPE Region origin ASes present in the Internet Routing Table: 4529 RIPE Prefixes per ASN: 12.12 RIPE Region origin ASes announcing only one prefix: 1940 RIPE Region transit ASes present in the Internet Routing Table: 702 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 23 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1950 Number of RIPE addresses announced to Internet: 282501456 Equivalent to 16 /8s, 214 /16s and 161 /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: 57511 Total LACNIC prefixes after maximum aggregation: 16292 LACNIC Deaggregation factor: 3.53 Prefixes being announced from the LACNIC address blocks: 55154 Unique aggregates announced from the LACNIC address blocks: 23855 LACNIC Region origin ASes present in the Internet Routing Table: 4379 LACNIC Prefixes per ASN: 12.60 LACNIC Region origin ASes announcing only one prefix: 1543 LACNIC Region transit ASes present in the Internet Routing Table: 882 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3335 Number of LACNIC addresses announced to Internet: 106695360 Equivalent to 6 /8s, 92 /16s and 10 /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: 9730 Total AfriNIC prefixes after maximum aggregation: 2072 AfriNIC Deaggregation factor: 4.70 Prefixes being announced from the AfriNIC address blocks: 15287 Unique aggregates announced from the AfriNIC address blocks: 6321 AfriNIC Region origin ASes present in the Internet Routing Table: 276 AfriNIC Prefixes per ASN: 55.39 AfriNIC Region origin ASes announcing only one prefix: 111 AfriNIC Region transit ASes present in the Internet Routing Table: 78 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 147 Number of AfriNIC addresses announced to Internet: 44866816 Equivalent to 2 /8s, 172 /16s and 157 /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 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2421 152 477 LCS-AS-AP LARUS Limited, HK 56041 1809 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1714 192 50 CMNET-HUNAN-AP China Mobile communication 24444 1068 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 926 177 48 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 807 1218 161 ALIBABA-CN-NET Alibaba US Technology Co., 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14519 41229 5639 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2372 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2107 4316 579 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1627 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1595 1309 733 DNIC-ASBLK-00306-00371 - United States De 20057 1458 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1457 730 699 BRIGHTSPEED - Brightspeed, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4836 298 70 ALJAWWALSTC-AS, SA 25019 1420 1335 141 SAUDINETSTC-AS, SA 20940 1260 97 1028 AKAMAI-ASN1, NL 34984 1116 152 778 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 902 4832 302 France Telecom - Orange, FR 8376 664 53 31 UNASSIGNED 212238 592 42 526 CDNEXT, GB 35819 583 581 73 MOBILY-AS Etihad Etisalat Company Mobily, 51167 565 113 248 CONTABO, DE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7337 1939 802 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1459 278 31 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1243 371 22 INTEGRATEL PERU S.A.A., PE 26615 1052 2393 95 TIM SA, BR 18881 984 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 686 43 213 UFINET PANAMA S.A., PA Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1542 552 27 RAYA-AS, EG 24863 850 389 16 LINKdotNET-AS, EG 36935 757 521 39 Vodafone-, EG 37069 743 1100 11 MOBINIL, EG 36914 549 82 3 KENET-AS, KE 36903 503 233 345 MT-MPLS, MA 29571 486 78 19 ORANGE-COTE-IVOIRE, CI 36992 458 931 272 ETISALAT-MISR, EG 2018 374 318 69 TENET-1, ZA 37693 347 599 43 TUNISIANA, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 14519 41229 5639 AMAZON-02 - Amazon.com, Inc., US 9808 13623 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7337 1939 802 UNINET, MX 39891 4836 298 70 ALJAWWALSTC-AS, SA 22773 4782 3101 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3419 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2421 152 477 LCS-AS-AP LARUS Limited, HK 36352 2372 194 1088 AS-COLOCROSSING - HostPapa, US 6167 2107 4316 579 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13623 13503 CHINAMOBILE-CN China Mobile Communications Grou 8151 7337 6535 UNINET, MX 39891 4836 4766 ALJAWWALSTC-AS, SA 22773 4782 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3419 3230 CMNET-JIANGSU-AP China Mobile communications co 17561 2421 1944 LCS-AS-AP LARUS Limited, HK 11830 1948 1883 Instituto Costarricense de Electricidad y Telec 56041 1809 1730 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1714 1664 CMNET-HUNAN-AP China Mobile communications corp Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4 - AT&T En 33684 UNALLOCATED 12.37.144.0/24 7018 ATT-INTERNET4 - AT&T En 31781 UNALLOCATED 12.71.107.0/24 7018 ATT-INTERNET4 - AT&T En 21861 UNALLOCATED 12.106.212.0/24 7018 ATT-INTERNET4 - AT&T En 26295 UNALLOCATED 12.110.210.0/23 7018 ATT-INTERNET4 - AT&T En Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE GTT, US 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS - UnReal Servers, LLC, US 23.178.24.0/24 Origin: 53850 GORILLASERVERS - GorillaServers, Inc., U 23.178.24.0/24 Transit: 3257 GTT-BACKBONE GTT, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:14 /9:11 /10:31 /11:56 /12:159 /13:218 /14:578 /15:1078 /16:7585 /17:3523 /18:4236 /19:7718 /20:13277 /21:16088 /22:28650 /23:30026 /24:176118 /25:64 /26:83 /27:50 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4070 7337 UNINET, MX 39891 3648 4836 ALJAWWALSTC-AS, SA 22773 3056 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2613 14519 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1149 1459 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1031 2372 AS-COLOCROSSING - HostPapa, US 19901 1017 1457 BRIGHTSPEED - Brightspeed, US 6167 952 2107 CELLCO-PART - Verizon Business, US 209 945 1627 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:73 2:567 3:990 4:1 5:1170 6:183 7:5 8:623 9:7 11:172 12:855 13:617 14:119 15:397 16:144 17:3 18:903 20:366 21:4 22:188 23:2933 24:861 27:19 28:1 29:19 31:468 32:13 34:9 35:175 36:3344 37:646 38:2547 39:864 40:50 41:1094 42:20 43:215 44:33 45:4474 46:898 47:186 48:61 49:23 50:479 51:464 52:1095 54:266 55:1117 56:11 57:28 58:39 59:30 60:30 61:56 62:629 63:692 64:2222 65:1002 66:2451 67:1132 68:482 69:1191 70:424 71:142 72:722 74:982 75:262 76:224 77:519 78:555 79:240 80:326 81:413 82:832 83:208 84:364 85:607 86:240 87:197 88:293 89:609 90:100 91:941 92:666 93:928 94:979 95:1297 96:273 97:44 98:377 99:286 100:21 101:27 102:372 103:1157 104:1635 105:148 106:42 107:1755 108:528 109:360 110:48 111:2805 112:1321 113:35 114:39 115:12 116:55 117:1637 118:62 119:74 120:2029 121:37 122:54 123:164 124:69 125:27 126:1 128:436 129:385 130:721 131:1268 132:560 133:222 134:529 135:136 136:712 137:596 138:1042 139:456 140:750 141:460 142:1527 143:864 144:499 145:183 146:671 147:504 148:1020 149:750 150:225 151:925 152:835 153:287 154:2347 155:981 156:2062 157:469 158:664 159:832 160:682 161:696 162:995 163:428 164:731 165:646 166:558 167:732 168:1446 169:168 170:1866 171:104 172:1388 173:804 174:269 175:122 176:741 177:1026 178:644 179:886 180:37 181:2604 182:24 183:1719 184:451 185:3316 186:3590 187:1757 188:1023 189:1978 190:6238 191:551 192:5132 193:1708 194:1100 195:944 196:661 197:701 198:2663 199:2462 200:4362 201:3618 202:838 203:613 204:2209 205:1832 206:1508 207:1707 208:1623 209:2053 210:354 211:522 212:1102 213:892 214:968 215:36 216:2461 217:554 218:712 219:18 220:33 221:539 222:29 223:1706 End of report