IPv4 R&E Routing Table Report 20:15 GMT Mon 30 Mar, 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: 290105 Prefixes after maximum aggregation (per Origin AS): 117548 Deaggregation factor: 2.47 Unique aggregates announced (without unneeded subnets): 146876 Number of IPv4 prefixes with a valid ROA: 148852 Number of IPv4 prefixes with an invalid ROA: 215 Number of IPv4 prefixes with no ROA: 141038 Total ASes present in the Internet Routing Table: 20333 Prefixes per ASN: 14.27 Origin-only ASes present in the Internet Routing Table: 17458 Origin ASes announcing only one prefix: 7834 Transit ASes present in the Internet Routing Table: 2875 Transit-only ASes present in the Internet Routing Table: 707 Paths with bogon ASNs present in the IPv4 Routing Table: 10 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: 226 Number of instances of unregistered ASNs: 255 Number of 32-bit ASNs allocated by the RIRs: 49180 Number of 32-bit ASNs visible in the Routing Table: 8312 Prefixes from 32-bit ASNs in the Routing Table: 34750 Number of bogon 32-bit ASNs visible in the Routing Table: 68 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 77 Number of addresses announced to Internet: 1621026213 Equivalent to 96 /8s, 158 /16s and 229 /24s Percentage of available address space announced: 43.8 Percentage of allocated address space announced: 43.8 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: 93869 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42708 Total APNIC prefixes after maximum aggregation: 8020 APNIC Deaggregation factor: 5.33 Prefixes being announced from the APNIC address blocks: 39315 Unique aggregates announced from the APNIC address blocks: 7796 APNIC Region origin ASes present in the Internet Routing Table: 1265 APNIC Prefixes per ASN: 31.08 APNIC Region origin ASes announcing only one prefix: 515 APNIC Region transit ASes present in the Internet Routing Table: 227 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 621 Number of APNIC addresses announced to Internet: 168602476 Equivalent to 10 /8s, 12 /16s and 171 /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: 127973 Total ARIN prefixes after maximum aggregation: 65201 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125093 Unique aggregates announced from the ARIN address blocks: 70725 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: 3694 ARIN Region transit ASes present in the Internet Routing Table: 842 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: 2153 Number of ARIN addresses announced to Internet: 1017335337 Equivalent to 60 /8s, 163 /16s and 78 /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: 51482 Total RIPE prefixes after maximum aggregation: 25501 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 54547 Unique aggregates announced from the RIPE address blocks: 37548 RIPE Region origin ASes present in the Internet Routing Table: 4504 RIPE Prefixes per ASN: 12.11 RIPE Region origin ASes announcing only one prefix: 1927 RIPE Region transit ASes present in the Internet Routing Table: 701 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: 1937 Number of RIPE addresses announced to Internet: 282442576 Equivalent to 16 /8s, 213 /16s and 187 /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: 58043 Total LACNIC prefixes after maximum aggregation: 16493 LACNIC Deaggregation factor: 3.52 Prefixes being announced from the LACNIC address blocks: 55659 Unique aggregates announced from the LACNIC address blocks: 24108 LACNIC Region origin ASes present in the Internet Routing Table: 4513 LACNIC Prefixes per ASN: 12.33 LACNIC Region origin ASes announcing only one prefix: 1590 LACNIC Region transit ASes present in the Internet Routing Table: 904 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: 3459 Number of LACNIC addresses announced to Internet: 106956736 Equivalent to 6 /8s, 96 /16s and 7 /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: 9673 Total AfriNIC prefixes after maximum aggregation: 2144 AfriNIC Deaggregation factor: 4.51 Prefixes being announced from the AfriNIC address blocks: 15414 Unique aggregates announced from the AfriNIC address blocks: 6631 AfriNIC Region origin ASes present in the Internet Routing Table: 285 AfriNIC Prefixes per ASN: 54.08 AfriNIC Region origin ASes announcing only one prefix: 108 AfriNIC Region transit ASes present in the Internet Routing Table: 80 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: 142 Number of AfriNIC addresses announced to Internet: 45551872 Equivalent to 2 /8s, 183 /16s and 17 /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 13589 8729 120 CHINAMOBILE-CN China Mobile Communication 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2441 154 480 LCS-AS-AP LARUS Limited, HK 56041 1805 714 79 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1713 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 910 481 55 CMNET-JIANGXI-AP China Mobile communicati 24445 781 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Communic 2907 667 2153 465 SINET-AS Research Organization of Informa 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 14521 41219 5582 AMAZON-02 - Amazon.com, Inc., US 22773 4778 3101 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3140 54728 2391 DNIC-AS-00749 - United States Department 36352 2367 194 1087 AS-COLOCROSSING - HostPapa, US 6167 2084 4309 585 CELLCO-PART - Verizon Business, US 11776 1895 257 221 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1628 4850 259 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1598 1311 734 DNIC-ASBLK-00306-00371 - United States De 19901 1474 739 683 BRIGHTSPEED - Brightspeed, US 20057 1457 1001 113 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 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 4904 302 73 ALJAWWALSTC-AS, SA 25019 1291 1335 142 SAUDINETSTC-AS, SA 20940 1256 97 1021 AKAMAI-ASN1, NL 34984 1019 149 750 TELLCOM-AS, TR 8452 942 1841 19 TE-AS TE-AS, EG 3215 903 4832 303 France Telecom - Orange, FR 8376 658 54 30 UNASSIGNED 212238 594 42 528 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 7346 1941 801 UNINET, MX 11830 1948 369 65 Instituto Costarricense de Electricidad y 10620 1512 211 1127 Telmex Colombia S.A., CO 11664 1458 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 1053 2393 95 TIM SA, BR 18881 983 1127 31 TELEFONICA BRASIL S.A, BR 27651 848 140 44 ENTEL CHILE S.A., CL 52468 687 43 207 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 1516 524 27 RAYA-AS, EG 24863 862 389 16 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 36914 561 82 3 KENET-AS, KE 36935 546 515 11 Vodafone-, EG 36903 503 233 345 MT-MPLS, MA 29571 487 78 20 ORANGE-COTE-IVOIRE, CI 36992 434 901 264 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 14521 41219 5582 AMAZON-02 - Amazon.com, Inc., US 9808 13589 8729 120 CHINAMOBILE-CN China Mobile Communication 8151 7346 1941 801 UNINET, MX 39891 4904 302 73 ALJAWWALSTC-AS, SA 22773 4778 3101 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3415 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3140 54728 2391 DNIC-AS-00749 - United States Department 17561 2441 154 480 LCS-AS-AP LARUS Limited, HK 36352 2367 194 1087 AS-COLOCROSSING - HostPapa, US 6167 2084 4309 585 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 13589 13469 CHINAMOBILE-CN China Mobile Communications Grou 8151 7346 6545 UNINET, MX 39891 4904 4831 ALJAWWALSTC-AS, SA 22773 4778 4415 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3415 3226 CMNET-JIANGSU-AP China Mobile communications co 17561 2441 1961 LCS-AS-AP LARUS Limited, HK 11830 1948 1883 Instituto Costarricense de Electricidad y Telec 56041 1805 1726 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1895 1674 ATLANTICBB-JOHNSTOWN - Breezeline, US 56047 1713 1663 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 /11:55 /12:159 /13:217 /14:579 /15:1075 /16:7481 /17:3503 /18:4193 /19:7695 /20:13283 /21:16071 /22:28783 /23:30129 /24:176536 /25:66 /26:83 /27:51 /28:19 /29:7 /30:9 /31:0 /32:55 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4075 7346 UNINET, MX 39891 3652 4904 ALJAWWALSTC-AS, SA 22773 3052 4778 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2616 14521 AMAZON-02 - Amazon.com, Inc., US 11830 1658 1948 Instituto Costarricense de Electricidad y Telecom., CR 11664 1148 1458 Techtel LMDS Comunicaciones Interactivas S.A., AR 36352 1029 2367 AS-COLOCROSSING - HostPapa, US 19901 1026 1474 BRIGHTSPEED - Brightspeed, US 209 946 1628 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US 6167 930 2084 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) ---------------------------------------------- 1:74 2:516 3:1001 4:1 5:1327 6:183 7:5 8:617 9:7 11:172 12:847 13:620 14:121 15:400 16:143 17:3 18:900 20:366 21:4 22:188 23:2913 24:858 27:20 28:1 29:19 31:462 32:13 34:9 35:183 36:3346 37:641 38:2558 39:862 40:47 41:1131 42:20 43:215 44:26 45:4554 46:902 47:174 48:45 49:21 50:490 51:464 52:1096 54:266 55:1113 56:11 57:27 58:39 59:34 60:14 61:59 62:618 63:689 64:2210 65:1001 66:2409 67:1126 68:486 69:1193 70:423 71:142 72:713 74:983 75:266 76:235 77:521 78:554 79:234 80:325 81:421 82:828 83:200 84:345 85:596 86:241 87:197 88:286 89:605 90:98 91:913 92:669 93:925 94:974 95:1297 96:273 97:44 98:378 99:288 100:21 101:26 102:384 103:1206 104:1639 105:164 107:1753 108:519 109:356 110:56 111:2800 112:1311 113:32 114:34 115:8 116:66 117:1636 118:78 119:99 120:2028 121:36 122:42 123:107 124:64 125:21 126:1 128:571 129:372 130:713 131:1271 132:559 133:217 134:516 135:135 136:708 137:604 138:1025 139:457 140:744 141:437 142:1523 143:867 144:512 145:152 146:664 147:498 148:1002 149:743 150:229 151:929 152:834 153:297 154:2432 155:986 156:2070 157:468 158:667 159:847 160:685 161:697 162:979 163:428 164:732 165:646 166:555 167:714 168:1482 169:206 170:1876 171:101 172:1393 173:811 174:265 175:106 176:628 177:1111 178:637 179:886 180:36 181:2594 182:33 183:1717 184:440 185:3244 186:3576 187:1756 188:1035 189:1993 190:6260 191:580 192:5156 193:1695 194:1089 195:919 196:698 197:734 198:2639 199:2478 200:4403 201:3656 202:1056 203:725 204:2180 205:1845 206:1495 207:1715 208:1627 209:2068 210:316 211:512 212:1092 213:879 214:975 215:36 216:2457 217:538 218:669 219:18 220:28 221:537 222:31 223:1698 End of report