IPv4 R&E Routing Table Report 20:15 GMT Thu 21 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: 291329 Prefixes after maximum aggregation (per Origin AS): 119160 Deaggregation factor: 2.44 Unique aggregates announced (without unneeded subnets): 149643 Number of IPv4 prefixes with a valid ROA: 160850 Number of IPv4 prefixes with an invalid ROA: 213 Number of IPv4 prefixes with no ROA: 130266 Total ASes present in the Internet Routing Table: 20202 Prefixes per ASN: 14.42 Origin-only ASes present in the Internet Routing Table: 17338 Origin ASes announcing only one prefix: 7753 Transit ASes present in the Internet Routing Table: 2864 Transit-only ASes present in the Internet Routing Table: 727 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: 281 Number of instances of unregistered ASNs: 310 Number of 32-bit ASNs allocated by the RIRs: 49849 Number of 32-bit ASNs visible in the Routing Table: 8296 Prefixes from 32-bit ASNs in the Routing Table: 35683 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: 93 Number of addresses announced to Internet: 1617820677 Equivalent to 96 /8s, 109 /16s and 252 /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: 94383 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 42876 Total APNIC prefixes after maximum aggregation: 7992 APNIC Deaggregation factor: 5.36 Prefixes being announced from the APNIC address blocks: 39432 Unique aggregates announced from the APNIC address blocks: 7802 APNIC Region origin ASes present in the Internet Routing Table: 1216 APNIC Prefixes per ASN: 32.43 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: 597 Number of APNIC addresses announced to Internet: 168188780 Equivalent to 10 /8s, 6 /16s and 91 /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: 128168 Total ARIN prefixes after maximum aggregation: 65383 ARIN Deaggregation factor: 1.96 Prefixes being announced from the ARIN address blocks: 125536 Unique aggregates announced from the ARIN address blocks: 71011 ARIN Region origin ASes present in the Internet Routing Table: 8905 ARIN Prefixes per ASN: 14.10 ARIN Region origin ASes announcing only one prefix: 3687 ARIN Region transit ASes present in the Internet Routing Table: 837 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: 2157 Number of ARIN addresses announced to Internet: 1019243017 Equivalent to 60 /8s, 192 /16s and 106 /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: 51921 Total RIPE prefixes after maximum aggregation: 26059 RIPE Deaggregation factor: 1.99 Prefixes being announced from the RIPE address blocks: 55014 Unique aggregates announced from the RIPE address blocks: 38236 RIPE Region origin ASes present in the Internet Routing Table: 4515 RIPE Prefixes per ASN: 12.18 RIPE Region origin ASes announcing only one prefix: 1927 RIPE Region transit ASes present in the Internet Routing Table: 723 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: 1960 Number of RIPE addresses announced to Internet: 281599440 Equivalent to 16 /8s, 200 /16s and 221 /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: 58486 Total LACNIC prefixes after maximum aggregation: 16891 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 55784 Unique aggregates announced from the LACNIC address blocks: 24796 LACNIC Region origin ASes present in the Internet Routing Table: 4425 LACNIC Prefixes per ASN: 12.61 LACNIC Region origin ASes announcing only one prefix: 1535 LACNIC Region transit ASes present in the Internet Routing Table: 900 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: 3418 Number of LACNIC addresses announced to Internet: 106184896 Equivalent to 6 /8s, 84 /16s and 64 /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: 9597 Total AfriNIC prefixes after maximum aggregation: 2662 AfriNIC Deaggregation factor: 3.61 Prefixes being announced from the AfriNIC address blocks: 15470 Unique aggregates announced from the AfriNIC address blocks: 7721 AfriNIC Region origin ASes present in the Internet Routing Table: 295 AfriNIC Prefixes per ASN: 52.44 AfriNIC Region origin ASes announcing only one prefix: 118 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: 42535424 Equivalent to 2 /8s, 137 /16s and 10 /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 13718 8761 121 CHINAMOBILE-CN China Mobile Communication 56046 3478 887 189 CMNET-JIANGSU-AP China Mobile communicati 17561 2467 155 466 LCS-AS-AP LARUS Limited, HK 56041 1852 715 83 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 915 481 57 CMNET-JIANGXI-AP China Mobile communicati 45102 839 1242 172 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 15023 41426 5706 AMAZON-02 - Amazon.com, Inc., US 22773 4756 3098 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2556 193 1140 AS-COLOCROSSING - HostPapa, US 6167 2154 4364 558 CELLCO-PART - Verizon Business, US 11776 1898 256 226 ATLANTICBB-JOHNSTOWN - Breezeline, US 209 1618 4848 252 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 367 1504 1244 717 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 1499 1383 139 SAUDINETSTC-AS, SA 20940 1260 97 1023 AKAMAI-ASN1, NL 34984 1095 141 733 TELLCOM-AS, TR 8452 927 1841 19 TE-AS TE-AS, EG 3215 875 4814 339 France Telecom - Orange, FR 212238 777 56 690 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 7222 1798 774 UNINET, MX 11830 1936 369 65 Instituto Costarricense de Electricidad y 10620 1685 228 1219 Telmex Colombia S.A., CO 11664 1468 277 32 Techtel LMDS Comunicaciones Interactivas 3816 1342 770 213 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1224 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 690 43 240 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 1459 525 29 RAYA-AS, EG 24863 750 119 370 LINKdotNET-AS, EG 37069 743 1100 11 MOBINIL, EG 29571 607 70 18 ORANGE-COTE-IVOIRE, CI 36935 574 150 151 Vodafone-, EG 36914 559 82 3 KENET-AS, KE 36903 464 220 314 MT-MPLS, MA 2018 373 318 69 TENET-1, ZA 36992 370 436 310 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 15023 41426 5706 AMAZON-02 - Amazon.com, Inc., US 9808 13718 8761 121 CHINAMOBILE-CN China Mobile Communication 8151 7222 1798 774 UNINET, MX 39891 4975 307 72 ALJAWWALSTC-AS, SA 22773 4756 3098 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 56046 3478 887 189 CMNET-JIANGSU-AP China Mobile communicati 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 2556 193 1140 AS-COLOCROSSING - HostPapa, US 17561 2467 155 466 LCS-AS-AP LARUS Limited, HK 6167 2154 4364 558 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 13718 13597 CHINAMOBILE-CN China Mobile Communications Grou 8151 7222 6448 UNINET, MX 39891 4975 4903 ALJAWWALSTC-AS, SA 22773 4756 4396 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 56046 3478 3289 CMNET-JIANGSU-AP China Mobile communications co 17561 2467 2001 LCS-AS-AP LARUS Limited, HK 11830 1936 1871 Instituto Costarricense de Electricidad y Telec 56041 1852 1769 CMNET-ZHEJIANG-AP China Mobile communications c 11776 1898 1672 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 23.176.104.0/24 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 /11:54 /12:160 /13:214 /14:576 /15:1085 /16:7453 /17:3481 /18:4199 /19:7631 /20:13132 /21:15991 /22:28190 /23:30207 /24:178609 /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 4119 7222 UNINET, MX 39891 3660 4975 ALJAWWALSTC-AS, SA 22773 3063 4756 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2708 15023 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 1063 1685 Telmex Colombia S.A., CO 36352 1047 2556 AS-COLOCROSSING - HostPapa, US 19901 1001 1451 BRIGHTSPEED - Brightspeed, US 6167 991 2154 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 2:542 3:999 4:1 5:1120 6:190 7:5 8:609 9:7 11:172 12:808 13:655 14:126 15:409 16:189 17:3 18:912 20:372 21:4 22:188 23:2951 24:795 27:17 28:1 29:19 31:482 32:13 34:10 35:177 36:3431 37:675 38:2604 39:891 40:60 41:1068 42:20 43:217 44:27 45:4339 46:887 47:189 48:91 49:23 50:477 51:551 52:1132 54:240 55:1107 56:11 57:31 58:16 59:26 60:14 61:63 62:656 63:685 64:2230 65:1024 66:2375 67:1178 68:505 69:1182 70:425 71:141 72:711 74:1015 75:260 76:217 77:513 78:539 79:259 80:308 81:432 82:799 83:205 84:396 85:606 86:271 87:227 88:269 89:631 90:120 91:883 92:599 93:958 94:978 95:1289 96:271 97:47 98:470 99:308 100:40 101:30 102:440 103:1159 104:1669 105:195 106:7 107:1830 108:528 109:367 110:61 111:2807 112:1402 113:40 114:32 115:14 116:50 117:1643 118:54 119:75 120:2065 121:38 122:58 123:106 124:61 125:19 126:1 128:510 129:390 130:737 131:1225 132:553 133:214 134:565 135:118 136:662 137:594 138:1093 139:469 140:746 141:475 142:1560 143:844 144:521 145:174 146:648 147:501 148:1059 149:849 150:219 151:940 152:857 153:590 154:2476 155:973 156:2124 157:437 158:685 159:899 160:780 161:725 162:979 163:368 164:730 165:639 166:551 167:718 168:1487 169:170 170:1881 171:103 172:1448 173:808 174:351 175:108 176:743 177:1200 178:645 179:921 180:38 181:2733 182:28 183:1746 184:445 185:3369 186:3775 187:1901 188:1044 189:1877 190:6311 191:624 192:5104 193:1703 194:1117 195:963 196:699 197:691 198:2664 199:2494 200:4495 201:3637 202:1016 203:725 204:2150 205:1818 206:1488 207:1715 208:1603 209:1891 210:353 211:519 212:1080 213:861 214:956 215:36 216:2519 217:542 218:670 219:18 220:26 221:537 222:29 223:1718 End of report