IPv4 R&E Routing Table Report 20:15 GMT Fri 15 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: 293909 Prefixes after maximum aggregation (per Origin AS): 119431 Deaggregation factor: 2.46 Unique aggregates announced (without unneeded subnets): 150210 Number of IPv4 prefixes with a valid ROA: 154822 Number of IPv4 prefixes with an invalid ROA: 221 Number of IPv4 prefixes with no ROA: 138866 Total ASes present in the Internet Routing Table: 20264 Prefixes per ASN: 14.50 Origin-only ASes present in the Internet Routing Table: 17400 Origin ASes announcing only one prefix: 7782 Transit ASes present in the Internet Routing Table: 2864 Transit-only ASes present in the Internet Routing Table: 732 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: 287 Number of instances of unregistered ASNs: 316 Number of 32-bit ASNs allocated by the RIRs: 49765 Number of 32-bit ASNs visible in the Routing Table: 8293 Prefixes from 32-bit ASNs in the Routing Table: 35877 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: 106 Number of addresses announced to Internet: 1623904805 Equivalent to 96 /8s, 202 /16s and 210 /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: 95868 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42857 Total APNIC prefixes after maximum aggregation: 7971 APNIC Deaggregation factor: 5.38 Prefixes being announced from the APNIC address blocks: 39398 Unique aggregates announced from the APNIC address blocks: 7773 APNIC Region origin ASes present in the Internet Routing Table: 1206 APNIC Prefixes per ASN: 32.67 APNIC Region origin ASes announcing only one prefix: 483 APNIC Region transit ASes present in the Internet Routing Table: 206 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: 168150124 Equivalent to 10 /8s, 5 /16s and 196 /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: 128753 Total ARIN prefixes after maximum aggregation: 65578 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 126140 Unique aggregates announced from the ARIN address blocks: 71416 ARIN Region origin ASes present in the Internet Routing Table: 8937 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 3696 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: 2163 Number of ARIN addresses announced to Internet: 1019170601 Equivalent to 60 /8s, 191 /16s and 79 /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: 53255 Total RIPE prefixes after maximum aggregation: 26424 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 56242 Unique aggregates announced from the RIPE address blocks: 38787 RIPE Region origin ASes present in the Internet Routing Table: 4564 RIPE Prefixes per ASN: 12.32 RIPE Region origin ASes announcing only one prefix: 1933 RIPE Region transit ASes present in the Internet Routing Table: 726 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: 1986 Number of RIPE addresses announced to Internet: 283641552 Equivalent to 16 /8s, 232 /16s and 6 /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: 58444 Total LACNIC prefixes after maximum aggregation: 16652 LACNIC Deaggregation factor: 3.51 Prefixes being announced from the LACNIC address blocks: 55742 Unique aggregates announced from the LACNIC address blocks: 24407 LACNIC Region origin ASes present in the Internet Routing Table: 4406 LACNIC Prefixes per ASN: 12.65 LACNIC Region origin ASes announcing only one prefix: 1549 LACNIC Region transit ASes present in the Internet Routing Table: 893 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: 3393 Number of LACNIC addresses announced to Internet: 106431424 Equivalent to 6 /8s, 88 /16s and 3 /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: 10313 Total AfriNIC prefixes after maximum aggregation: 2627 AfriNIC Deaggregation factor: 3.93 Prefixes being announced from the AfriNIC address blocks: 16281 Unique aggregates announced from the AfriNIC address blocks: 7737 AfriNIC Region origin ASes present in the Internet Routing Table: 299 AfriNIC Prefixes per ASN: 54.45 AfriNIC Region origin ASes announcing only one prefix: 121 AfriNIC Region transit ASes present in the Internet Routing Table: 79 Average AfriNIC Region AS path length visible: 6.3 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 171 Number of AfriNIC addresses announced to Internet: 46438656 Equivalent to 2 /8s, 196 /16s and 153 /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 13703 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2438 153 461 LCS-AS-AP LARUS Limited, HK 56041 1835 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1719 192 52 CMNET-HUNAN-AP China Mobile communication 24444 1081 500 78 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 24547 932 177 49 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 56045 913 481 56 CMNET-JIANGXI-AP China Mobile communicati 45102 839 1226 173 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 14950 41323 5677 AMAZON-02 - Amazon.com, Inc., US 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 6167 2151 4363 557 CELLCO-PART - Verizon Business, US 11776 1899 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1619 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1497 1239 715 DNIC-ASBLK-00306-00371 - United States De 20057 1462 1001 112 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 19901 1451 728 659 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 1490 1383 139 SAUDINETSTC-AS, SA 20940 1262 97 1025 AKAMAI-ASN1, NL 34984 1112 145 753 TELLCOM-AS, TR 8452 1048 1852 14 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 793 57 701 CDNEXT, GB 8376 682 53 30 UNASSIGNED 35819 587 577 77 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 7688 1914 777 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 1227 371 22 INTEGRATEL PERU S.A.A., PE 26615 1062 2391 99 TIM SA, BR 18881 985 1127 31 TELEFONICA BRASIL S.A, BR 27651 851 140 44 ENTEL CHILE S.A., CL 52468 667 42 246 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 1538 557 31 RAYA-AS, EG 37069 759 1100 11 MOBINIL, EG 36935 747 167 171 Vodafone-, EG 24863 746 117 365 LINKdotNET-AS, EG 36992 614 1293 198 ETISALAT-MISR, EG 29571 602 70 18 ORANGE-COTE-IVOIRE, CI 36914 551 82 3 KENET-AS, KE 36903 463 220 313 MT-MPLS, MA 2018 374 318 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 14950 41323 5677 AMAZON-02 - Amazon.com, Inc., US 9808 13703 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7688 1914 777 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4786 3099 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3477 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3139 54728 2390 DNIC-AS-00749 - United States Department 36352 2523 191 1113 AS-COLOCROSSING - HostPapa, US 17561 2438 153 461 LCS-AS-AP LARUS Limited, HK 6167 2151 4363 557 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 13703 13582 CHINAMOBILE-CN China Mobile Communications Grou 8151 7688 6911 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4786 4423 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3477 3288 CMNET-JIANGSU-AP China Mobile communications co 17561 2438 1977 LCS-AS-AP LARUS Limited, HK 11830 1937 1872 Instituto Costarricense de Electricidad y Telec 56041 1835 1756 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 /11:55 /12:161 /13:217 /14:577 /15:1083 /16:7459 /17:3497 /18:4298 /19:7821 /20:13276 /21:16304 /22:29002 /23:30351 /24:179464 /25:61 /26:82 /27:47 /28:20 /29:7 /30:15 /31:0 /32:56 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4302 7688 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4786 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2711 14950 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 1047 2523 AS-COLOCROSSING - HostPapa, US 19901 1001 1451 BRIGHTSPEED - Brightspeed, US 6167 988 2151 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) ---------------------------------------------- 1:80 2:556 3:1001 4:1 5:1161 6:188 7:5 8:620 9:7 11:172 12:814 13:635 14:125 15:407 16:183 17:3 18:906 20:371 21:4 22:188 23:2936 24:793 27:18 28:1 29:19 31:457 32:13 34:10 35:177 36:3429 37:680 38:2615 39:882 40:60 41:1099 42:20 43:216 44:30 45:4341 46:899 47:188 48:69 49:23 50:477 51:543 52:1127 54:281 55:1109 56:11 57:31 58:16 59:27 60:14 61:56 62:659 63:683 64:2297 65:1029 66:2495 67:1191 68:505 69:1194 70:424 71:141 72:746 74:1016 75:261 76:221 77:511 78:548 79:276 80:332 81:434 82:815 83:213 84:397 85:598 86:258 87:238 88:287 89:631 90:121 91:943 92:607 93:946 94:993 95:1289 96:276 97:46 98:480 99:303 100:40 101:30 102:502 103:1151 104:1682 105:240 106:7 107:1832 108:525 109:387 110:61 111:2810 112:1401 113:40 114:32 115:14 116:51 117:1645 118:54 119:75 120:2061 121:38 122:44 123:106 124:59 125:19 126:1 128:508 129:394 130:734 131:1288 132:551 133:214 134:562 135:119 136:683 137:596 138:1098 139:458 140:747 141:475 142:1569 143:852 144:523 145:172 146:667 147:500 148:1051 149:871 150:216 151:924 152:860 153:591 154:2521 155:971 156:2122 157:437 158:684 159:896 160:771 161:710 162:978 163:371 164:733 165:645 166:560 167:714 168:1464 169:166 170:1856 171:104 172:1499 173:834 174:353 175:109 176:774 177:1215 178:659 179:930 180:37 181:2649 182:28 183:1739 184:451 185:3370 186:3714 187:1893 188:1051 189:2001 190:6270 191:614 192:5103 193:1707 194:1130 195:963 196:697 197:694 198:2661 199:2479 200:4468 201:3592 202:1014 203:715 204:2165 205:1846 206:1522 207:1723 208:1631 209:1962 210:352 211:520 212:1072 213:857 214:956 215:36 216:2531 217:551 218:669 219:18 220:27 221:537 222:29 223:1716 End of report