IPv4 R&E Routing Table Report 20:15 GMT Mon 11 May, 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: 293209 Prefixes after maximum aggregation (per Origin AS): 119402 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 149643 Number of IPv4 prefixes with a valid ROA: 152122 Number of IPv4 prefixes with an invalid ROA: 45 Number of IPv4 prefixes with no ROA: 141042 Total ASes present in the Internet Routing Table: 20187 Prefixes per ASN: 14.52 Origin-only ASes present in the Internet Routing Table: 17336 Origin ASes announcing only one prefix: 7744 Transit ASes present in the Internet Routing Table: 2851 Transit-only ASes present in the Internet Routing Table: 711 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: 35 Max AS path prepend of ASN (273113) 30 Prefixes from unregistered ASNs in the Routing Table: 215 Number of instances of unregistered ASNs: 244 Number of 32-bit ASNs allocated by the RIRs: 49723 Number of 32-bit ASNs visible in the Routing Table: 8267 Prefixes from 32-bit ASNs in the Routing Table: 35663 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: 88 Number of addresses announced to Internet: 1624321829 Equivalent to 96 /8s, 209 /16s and 47 /24s Percentage of available address space announced: 43.9 Percentage of allocated address space announced: 43.9 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: 95159 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 43127 Total APNIC prefixes after maximum aggregation: 7950 APNIC Deaggregation factor: 5.42 Prefixes being announced from the APNIC address blocks: 39345 Unique aggregates announced from the APNIC address blocks: 7712 APNIC Region origin ASes present in the Internet Routing Table: 1196 APNIC Prefixes per ASN: 32.90 APNIC Region origin ASes announcing only one prefix: 471 APNIC Region transit ASes present in the Internet Routing Table: 207 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 580 Number of APNIC addresses announced to Internet: 168258156 Equivalent to 10 /8s, 7 /16s and 106 /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: 127520 Total ARIN prefixes after maximum aggregation: 65386 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 124979 Unique aggregates announced from the ARIN address blocks: 70314 ARIN Region origin ASes present in the Internet Routing Table: 8926 ARIN Prefixes per ASN: 14.00 ARIN Region origin ASes announcing only one prefix: 3698 ARIN Region transit ASes present in the Internet Routing Table: 839 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: 2165 Number of ARIN addresses announced to Internet: 1018918953 Equivalent to 60 /8s, 187 /16s and 120 /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: 53339 Total RIPE prefixes after maximum aggregation: 26456 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 56283 Unique aggregates announced from the RIPE address blocks: 38835 RIPE Region origin ASes present in the Internet Routing Table: 4557 RIPE Prefixes per ASN: 12.35 RIPE Region origin ASes announcing only one prefix: 1935 RIPE Region transit ASes present in the Internet Routing Table: 721 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1981 Number of RIPE addresses announced to Internet: 283729616 Equivalent to 16 /8s, 233 /16s and 94 /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: 58457 Total LACNIC prefixes after maximum aggregation: 16721 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 55738 Unique aggregates announced from the LACNIC address blocks: 24525 LACNIC Region origin ASes present in the Internet Routing Table: 4401 LACNIC Prefixes per ASN: 12.66 LACNIC Region origin ASes announcing only one prefix: 1527 LACNIC Region transit ASes present in the Internet Routing Table: 894 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3384 Number of LACNIC addresses announced to Internet: 106374848 Equivalent to 6 /8s, 87 /16s and 38 /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: 10551 Total AfriNIC prefixes after maximum aggregation: 2725 AfriNIC Deaggregation factor: 3.87 Prefixes being announced from the AfriNIC address blocks: 16776 Unique aggregates announced from the AfriNIC address blocks: 8180 AfriNIC Region origin ASes present in the Internet Routing Table: 281 AfriNIC Prefixes per ASN: 59.70 AfriNIC Region origin ASes announcing only one prefix: 113 AfriNIC Region transit ASes present in the Internet Routing Table: 76 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 157 Number of AfriNIC addresses announced to Internet: 46971904 Equivalent to 2 /8s, 204 /16s and 188 /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 13677 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3470 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2702 170 473 LCS-AS-AP LARUS Limited, HK 56041 1821 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1718 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1075 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 931 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 834 1226 172 ALIBABA-CN-NET Alibaba US Technology Co., 24445 788 497 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 14939 41297 5706 AMAZON-02 - Amazon.com, Inc., US 22773 4779 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2531 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 CELLCO-PART - Verizon Business, US 11776 1894 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1498 1238 716 DNIC-ASBLK-00306-00371 - United States De 20057 1459 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1453 728 660 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 4975 307 72 ALJAWWALSTC-AS, SA 25019 1498 1384 141 SAUDINETSTC-AS, SA 20940 1237 95 1014 AKAMAI-ASN1, NL 8452 1061 1852 14 TE-AS TE-AS, EG 34984 1024 143 734 TELLCOM-AS, TR 3215 875 4814 339 France Telecom - Orange, FR 212238 792 57 700 CDNEXT, GB 8376 680 53 30 UNASSIGNED 35819 591 581 78 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 7551 1860 776 UNINET, MX 11830 1937 369 65 Instituto Costarricense de Electricidad y 10620 1495 206 1115 Telmex Colombia S.A., CO 11664 1448 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1226 379 23 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 852 140 45 ENTEL CHILE S.A., CL 52468 669 42 247 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 1519 557 31 RAYA-AS, EG 36992 1178 1387 376 ETISALAT-MISR, EG 24863 755 120 371 LINKdotNET-AS, EG 37069 747 1100 11 MOBINIL, EG 36935 736 165 171 Vodafone-, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36914 550 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 373 318 69 TENET-1, ZA 37693 349 599 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 14939 41297 5706 AMAZON-02 - Amazon.com, Inc., US 9808 13677 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7551 1860 776 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4779 3099 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3470 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 17561 2702 170 473 LCS-AS-AP LARUS Limited, HK 36352 2531 192 1112 AS-COLOCROSSING - HostPapa, US 6167 2149 4362 556 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 13677 13556 CHINAMOBILE-CN China Mobile Communications Grou 8151 7551 6775 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4779 4418 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3470 3281 CMNET-JIANGSU-AP China Mobile communications co 17561 2702 2229 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1821 1742 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1894 1668 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1718 1666 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 23.176.104.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.176.104.0/24 Transit: 36352 AS-COLOCROSSING - HostPapa, 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 /11:55 /12:161 /13:218 /14:580 /15:1083 /16:7469 /17:3513 /18:4262 /19:7812 /20:13295 /21:16263 /22:29001 /23:30478 /24:178684 /25:61 /26:81 /27:47 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4256 7551 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3058 4779 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2700 14939 AMAZON-02 - Amazon.com, Inc., US 11830 1648 1937 Instituto Costarricense de Electricidad y Telecom., CR 11664 1144 1448 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1052 2531 AS-COLOCROSSING - HostPapa, US 19901 1003 1453 BRIGHTSPEED - Brightspeed, US 6167 986 2149 CELLCO-PART - Verizon Business, US 209 943 1619 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) ---------------------------------------------- 1:79 2:553 3:1001 4:1 5:1172 6:187 7:5 8:616 9:7 11:172 12:822 13:637 14:125 15:405 16:182 17:3 18:914 20:371 21:4 22:188 23:3007 24:793 27:15 28:1 29:19 31:436 32:13 34:12 35:179 36:3426 37:684 38:2635 39:878 40:60 41:1174 42:20 43:220 44:27 45:4358 46:905 47:189 48:69 49:24 50:474 51:544 52:1119 54:275 55:1024 56:11 57:32 58:18 59:27 60:13 61:56 62:681 63:676 64:2031 65:1021 66:2055 67:1157 68:390 69:1157 70:422 71:140 72:745 74:1042 75:260 76:221 77:516 78:560 79:266 80:347 81:410 82:823 83:214 84:463 85:637 86:260 87:235 88:285 89:639 90:122 91:943 92:618 93:938 94:988 95:1283 96:275 97:46 98:469 99:301 100:41 101:30 102:412 103:1147 104:1656 105:175 106:7 107:1835 108:521 109:385 110:61 111:2816 112:1326 113:40 114:33 115:16 116:53 117:1641 118:53 119:76 120:2048 121:38 122:44 123:106 124:64 125:19 126:1 128:506 129:389 130:725 131:1275 132:551 133:214 134:530 135:119 136:681 137:590 138:1099 139:458 140:748 141:472 142:1564 143:857 144:516 145:173 146:673 147:502 148:1054 149:846 150:216 151:901 152:861 153:545 154:2766 155:904 156:2232 157:437 158:683 159:896 160:775 161:707 162:967 163:365 164:728 165:637 166:555 167:712 168:1465 169:163 170:1879 171:104 172:1495 173:813 174:353 175:129 176:753 177:1154 178:654 179:935 180:37 181:2655 182:27 183:1732 184:444 185:3389 186:3731 187:1918 188:1056 189:1973 190:6274 191:626 192:5124 193:1706 194:1123 195:956 196:683 197:678 198:2659 199:2489 200:4543 201:3609 202:1012 203:718 204:2187 205:1844 206:1519 207:1588 208:1624 209:2008 210:353 211:518 212:1115 213:912 214:952 215:36 216:2416 217:671 218:669 219:18 220:27 221:536 222:28 223:1714 End of report