IPv4 R&E Routing Table Report 20:15 GMT Wed 20 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: 292508 Prefixes after maximum aggregation (per Origin AS): 119237 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 149889 Number of IPv4 prefixes with a valid ROA: 160121 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 132174 Total ASes present in the Internet Routing Table: 20234 Prefixes per ASN: 14.46 Origin-only ASes present in the Internet Routing Table: 17351 Origin ASes announcing only one prefix: 7774 Transit ASes present in the Internet Routing Table: 2883 Transit-only ASes present in the Internet Routing Table: 740 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: 284 Number of instances of unregistered ASNs: 313 Number of 32-bit ASNs allocated by the RIRs: 49818 Number of 32-bit ASNs visible in the Routing Table: 8309 Prefixes from 32-bit ASNs in the Routing Table: 35917 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: 97 Number of addresses announced to Internet: 1618545413 Equivalent to 96 /8s, 121 /16s and 11 /24s Percentage of available address space announced: 43.7 Percentage of allocated address space announced: 43.7 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: 94812 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42817 Total APNIC prefixes after maximum aggregation: 7960 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39387 Unique aggregates announced from the APNIC address blocks: 7774 APNIC Region origin ASes present in the Internet Routing Table: 1211 APNIC Prefixes per ASN: 32.52 APNIC Region origin ASes announcing only one prefix: 486 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: 592 Number of APNIC addresses announced to Internet: 168125036 Equivalent to 10 /8s, 5 /16s and 98 /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: 128301 Total ARIN prefixes after maximum aggregation: 65448 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125681 Unique aggregates announced from the ARIN address blocks: 71028 ARIN Region origin ASes present in the Internet Routing Table: 8920 ARIN Prefixes per ASN: 14.09 ARIN Region origin ASes announcing only one prefix: 3693 ARIN Region transit ASes present in the Internet Routing Table: 844 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: 2164 Number of ARIN addresses announced to Internet: 1018945801 Equivalent to 60 /8s, 187 /16s and 225 /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: 52140 Total RIPE prefixes after maximum aggregation: 26084 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 55099 Unique aggregates announced from the RIPE address blocks: 38380 RIPE Region origin ASes present in the Internet Routing Table: 4524 RIPE Prefixes per ASN: 12.18 RIPE Region origin ASes announcing only one prefix: 1929 RIPE Region transit ASes present in the Internet Routing Table: 728 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1974 Number of RIPE addresses announced to Internet: 281567440 Equivalent to 16 /8s, 200 /16s and 96 /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: 59114 Total LACNIC prefixes after maximum aggregation: 16869 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 56401 Unique aggregates announced from the LACNIC address blocks: 24874 LACNIC Region origin ASes present in the Internet Routing Table: 4426 LACNIC Prefixes per ASN: 12.74 LACNIC Region origin ASes announcing only one prefix: 1544 LACNIC Region transit ASes present in the Internet Routing Table: 898 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: 3415 Number of LACNIC addresses announced to Internet: 106902208 Equivalent to 6 /8s, 95 /16s and 50 /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: 9852 Total AfriNIC prefixes after maximum aggregation: 2700 AfriNIC Deaggregation factor: 3.65 Prefixes being announced from the AfriNIC address blocks: 15843 Unique aggregates announced from the AfriNIC address blocks: 7752 AfriNIC Region origin ASes present in the Internet Routing Table: 293 AfriNIC Prefixes per ASN: 54.07 AfriNIC Region origin ASes announcing only one prefix: 122 AfriNIC Region transit ASes present in the Internet Routing Table: 79 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: 164 Number of AfriNIC addresses announced to Internet: 42934784 Equivalent to 2 /8s, 143 /16s and 34 /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 13716 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2452 154 465 LCS-AS-AP LARUS Limited, HK 56041 1838 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1083 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 932 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 914 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 832 1226 170 ALIBABA-CN-NET Alibaba US Technology Co., 24445 794 497 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 15012 41329 5701 AMAZON-02 - Amazon.com, Inc., US 22773 4757 3098 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 2526 191 1114 AS-COLOCROSSING - HostPapa, US 6167 2152 4363 556 CELLCO-PART - Verizon Business, US 11776 1899 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1618 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1503 1245 716 DNIC-ASBLK-00306-00371 - United States De 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1450 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 1497 1383 139 SAUDINETSTC-AS, SA 20940 1260 97 1023 AKAMAI-ASN1, NL 34984 1092 141 730 TELLCOM-AS, TR 8452 1057 1842 20 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 784 57 692 CDNEXT, GB 8376 698 53 30 UNASSIGNED 35819 594 584 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 7759 1960 772 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1687 228 1218 Telmex Colombia S.A., CO 11664 1468 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1223 371 22 INTEGRATEL PERU S.A.A., PE 26615 1064 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 670 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 1658 525 29 RAYA-AS, EG 24863 759 121 376 LINKdotNET-AS, EG 37069 739 1100 11 MOBINIL, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36935 593 153 155 Vodafone-, EG 36914 554 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 36992 367 424 308 ETISALAT-MISR, EG 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 15012 41329 5701 AMAZON-02 - Amazon.com, Inc., US 9808 13716 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7759 1960 772 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4757 3098 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 2526 191 1114 AS-COLOCROSSING - HostPapa, US 17561 2452 154 465 LCS-AS-AP LARUS Limited, HK 6167 2152 4363 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 13716 13595 CHINAMOBILE-CN China Mobile Communications Grou 8151 7759 6987 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4757 4397 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3288 CMNET-JIANGSU-AP China Mobile communications co 17561 2452 1987 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1838 1759 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1899 1673 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1719 1667 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 46198 UNALLOCATED 8.10.6.0/24 23520 LIBERTY-NETWORKS - Colu 46198 UNALLOCATED 8.10.7.0/24 23520 LIBERTY-NETWORKS - Colu 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent 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 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 23.146.16.0/24 Origin: 396281 AGCOMTECH - AGILITY COMMUNICATIONS AND T 23.146.16.0/24 Transit: 7018 ATT-INTERNET4 - AT&T Enterprises, LLC, U 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 /11:54 /12:160 /13:214 /14:575 /15:1082 /16:7454 /17:3484 /18:4203 /19:7777 /20:13219 /21:16194 /22:28426 /23:30293 /24:179026 /25:64 /26:83 /27:46 /28:20 /29:7 /30:15 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4316 7759 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3062 4757 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2715 15012 AMAZON-02 - Amazon.com, Inc., US 11830 1647 1936 Instituto Costarricense de Electricidad y Telecom., CR 11664 1164 1468 Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1064 1687 Telmex Colombia S.A., CO 36352 1047 2526 AS-COLOCROSSING - HostPapa, US 19901 1000 1450 BRIGHTSPEED - Brightspeed, US 6167 989 2152 CELLCO-PART - Verizon Business, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:80 2:552 3:999 4:1 5:1127 6:188 7:5 8:617 9:7 11:172 12:808 13:655 14:125 15:409 16:189 17:3 18:912 20:372 21:4 22:188 23:2927 24:796 27:17 28:1 29:19 31:467 32:13 34:10 35:177 36:3429 37:663 38:2612 39:885 40:60 41:1078 42:20 43:217 44:27 45:4371 46:888 47:188 48:91 49:23 50:479 51:544 52:1132 54:240 55:1107 56:11 57:31 58:16 59:26 60:14 61:65 62:659 63:685 64:2240 65:1026 66:2376 67:1189 68:505 69:1190 70:425 71:141 72:714 74:1017 75:260 76:219 77:511 78:540 79:260 80:308 81:439 82:801 83:206 84:397 85:590 86:260 87:228 88:269 89:633 90:122 91:902 92:604 93:952 94:980 95:1278 96:276 97:46 98:470 99:303 100:40 101:30 102:421 103:1151 104:1675 105:200 106:7 107:1827 108:531 109:366 110:61 111:2807 112:1402 113:40 114:32 115:14 116:50 117:1646 118:54 119:75 120:2065 121:38 122:58 123:106 124:61 125:19 126:1 128:509 129:389 130:737 131:1224 132:556 133:214 134:565 135:120 136:661 137:594 138:1109 139:469 140:747 141:475 142:1561 143:844 144:525 145:174 146:650 147:496 148:1059 149:851 150:219 151:941 152:858 153:594 154:2468 155:960 156:2136 157:435 158:683 159:899 160:772 161:725 162:986 163:369 164:730 165:634 166:551 167:714 168:1490 169:170 170:1873 171:103 172:1458 173:806 174:352 175:108 176:753 177:1236 178:646 179:955 180:39 181:2696 182:28 183:1743 184:450 185:3381 186:3770 187:1926 188:1055 189:2028 190:6312 191:618 192:5117 193:1711 194:1130 195:958 196:707 197:694 198:2659 199:2494 200:4510 201:3653 202:1015 203:721 204:2162 205:1825 206:1507 207:1721 208:1604 209:1901 210:353 211:519 212:1080 213:873 214:953 215:36 216:2527 217:542 218:672 219:18 220:27 221:537 222:29 223:1717 End of report