IPv4 R&E Routing Table Report 20:15 GMT Wed 19 Mar, 2025 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: 269069 Prefixes after maximum aggregation (per Origin AS): 117329 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 140737 Number of IPv4 prefixes with a valid ROA: 121682 Number of IPv4 prefixes with an invalid ROA: 20 Number of IPv4 prefixes with no ROA: 147367 Total ASes present in the Internet Routing Table: 20698 Prefixes per ASN: 13.00 Origin-only ASes present in the Internet Routing Table: 17797 Origin ASes announcing only one prefix: 7916 Transit ASes present in the Internet Routing Table: 2901 Transit-only ASes present in the Internet Routing Table: 740 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 38 Max AS path prepend of ASN ( 37447) 34 Prefixes from unregistered ASNs in the Routing Table: 294 Number of instances of unregistered ASNs: 295 Number of 32-bit ASNs allocated by the RIRs: 46125 Number of 32-bit ASNs visible in the Routing Table: 8134 Prefixes from 32-bit ASNs in the Routing Table: 31496 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 128 Number of addresses announced to Internet: 1566949757 Equivalent to 93 /8s, 101 /16s and 193 /24s Percentage of available address space announced: 42.3 Percentage of allocated address space announced: 42.3 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: 86336 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 32261 Total APNIC prefixes after maximum aggregation: 7651 APNIC Deaggregation factor: 4.22 Prefixes being announced from the APNIC address blocks: 31009 Unique aggregates announced from the APNIC address blocks: 8249 APNIC Region origin ASes present in the Internet Routing Table: 1211 APNIC Prefixes per ASN: 25.61 APNIC Region origin ASes announcing only one prefix: 479 APNIC Region transit ASes present in the Internet Routing Table: 213 Average APNIC Region AS path length visible: 7.3 Max APNIC Region AS path length visible: 17 Number of APNIC region 32-bit ASNs visible in the Routing Table: 553 Number of APNIC addresses announced to Internet: 169098348 Equivalent to 10 /8s, 20 /16s and 60 /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: 125679 Total ARIN prefixes after maximum aggregation: 64626 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 123341 Unique aggregates announced from the ARIN address blocks: 66509 ARIN Region origin ASes present in the Internet Routing Table: 9349 ARIN Prefixes per ASN: 13.19 ARIN Region origin ASes announcing only one prefix: 3888 ARIN Region transit ASes present in the Internet Routing Table: 876 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2158 Number of ARIN addresses announced to Internet: 964898817 Equivalent to 57 /8s, 131 /16s and 48 /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, 393216-402332 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: 49183 Total RIPE prefixes after maximum aggregation: 26976 RIPE Deaggregation factor: 1.82 Prefixes being announced from the RIPE address blocks: 50908 Unique aggregates announced from the RIPE address blocks: 37623 RIPE Region origin ASes present in the Internet Routing Table: 4703 RIPE Prefixes per ASN: 10.82 RIPE Region origin ASes announcing only one prefix: 1959 RIPE Region transit ASes present in the Internet Routing Table: 709 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 26 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1911 Number of RIPE addresses announced to Internet: 289000400 Equivalent to 17 /8s, 57 /16s and 203 /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: 51365 Total LACNIC prefixes after maximum aggregation: 15672 LACNIC Deaggregation factor: 3.28 Prefixes being announced from the LACNIC address blocks: 49995 Unique aggregates announced from the LACNIC address blocks: 24135 LACNIC Region origin ASes present in the Internet Routing Table: 4292 LACNIC Prefixes per ASN: 11.65 LACNIC Region origin ASes announcing only one prefix: 1478 LACNIC Region transit ASes present in the Internet Routing Table: 879 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: 3367 Number of LACNIC addresses announced to Internet: 100710464 Equivalent to 6 /8s, 0 /16s and 184 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 10287 Total AfriNIC prefixes after maximum aggregation: 2190 AfriNIC Deaggregation factor: 4.70 Prefixes being announced from the AfriNIC address blocks: 13688 Unique aggregates announced from the AfriNIC address blocks: 4102 AfriNIC Region origin ASes present in the Internet Routing Table: 273 AfriNIC Prefixes per ASN: 50.14 AfriNIC Region origin ASes announcing only one prefix: 112 AfriNIC Region transit ASes present in the Internet Routing Table: 74 Average AfriNIC Region AS path length visible: 6.5 Max AfriNIC Region AS path length visible: 38 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 145 Number of AfriNIC addresses announced to Internet: 43187456 Equivalent to 2 /8s, 146 /16s and 253 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 10137 8753 87 CHINAMOBILE-CN China Mobile Communication 56046 1573 803 179 CMNET-JIANGSU-AP China Mobile communicati 56041 1542 714 78 CMNET-ZHEJIANG-AP China Mobile communicat 56047 1491 192 53 CMNET-HUNAN-AP China Mobile communication 24547 850 177 50 CMNET-V4HEBEI-AS-AP Hebei Mobile Communic 24444 777 501 74 CMNET-V4SHANDONG-AS-AP Shandong Mobile Co 2907 639 2170 465 SINET-AS Research Organization of Informa 17561 552 35 223 LCS-AS-AP LARUS Limited, HK 55410 519 50 167 VIL-AS-AP Vodafone Idea Ltd, IN 24445 511 497 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 12944 39643 3972 AMAZON-02, US 22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 4155 2499 185 1529 USDA-1, US 367 2423 2900 1171 DNIC-ASBLK-00306-00371, US 36352 2302 193 1056 AS-COLOCROSSING, US 7018 2238 22911 1598 ATT-INTERNET4, US 11776 1877 257 217 ATLANTICBB-JOHNSTOWN, US 6167 1804 3547 466 CELLCO-PART, US 209 1672 4890 279 CENTURYLINK-US-LEGACY-QWEST, 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 1936 130 50 ALJAWWALSTC-AS, SA 20940 1264 99 1022 AKAMAI-ASN1, NL 3257 928 2075 750 GTT-BACKBONE GTT, US 3215 927 4886 285 France Telecom - Orange, FR 34984 914 89 507 TELLCOM-AS, TR 25019 699 1290 134 SAUDINETSTC-AS, SA 8452 602 1842 17 TE-AS TE-AS, EG 212238 571 41 504 CDNEXT, GB 8376 570 53 22 Jordan Data Communications, JO 51167 568 113 251 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 7226 2008 997 UNINET, MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 10620 1736 256 1228 Telmex Colombia S.A., CO 3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1193 371 21 Telefonica del Peru S.A.A., PE 26615 1013 2503 53 TIM SA, BR 18881 877 1127 31 TELEFONICA BRASIL S.A, BR 28006 644 77 295 CORPORACION NACIONAL DE TELECOMUNICACIONE 27651 633 90 53 ENTEL CHILE S.A., CL 26599 541 2876 72 TELEFONICA BRASIL S.A, BR 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 24863 1454 389 16 LINKdotNET-AS, EG 29571 1072 101 72 ORANGE-COTE-IVOIRE, CI 20011 980 183 284 INTERNET-SOLUTIONS, ZA 24835 862 509 44 RAYA-AS, EG 36935 680 520 41 Vodafone-, EG 36992 604 1229 126 ETISALAT-MISR, EG 36914 536 82 3 KENET-AS, KE 37069 459 1030 15 MOBINIL, EG 36903 417 195 306 MT-MPLS, MA 2018 374 318 69 TENET-1, ZA 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 12944 39643 3972 AMAZON-02, US 9808 10137 8753 87 CHINAMOBILE-CN China Mobile Communication 8151 7226 2008 997 UNINET, MX 22773 3375 3017 175 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 4155 2499 185 1529 USDA-1, US 367 2423 2900 1171 DNIC-ASBLK-00306-00371, US 36352 2302 193 1056 AS-COLOCROSSING, US 7018 2238 22911 1598 ATT-INTERNET4, US 11830 1993 369 64 Instituto Costarricense de Electricidad y 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 10137 10050 CHINAMOBILE-CN China Mobile Communications Grou 8151 7226 6229 UNINET, MX 22773 3375 3200 ASN-CXA-ALL-CCI-22773-RDC, US 11830 1993 1929 Instituto Costarricense de Electricidad y Telec 39891 1936 1886 ALJAWWALSTC-AS, SA 11776 1877 1660 ATLANTICBB-JOHNSTOWN, US 56041 1542 1464 CMNET-ZHEJIANG-AP China Mobile communications c 56047 1491 1438 CMNET-HUNAN-AP China Mobile communications corp 24863 1454 1438 LINKdotNET-AS, EG 56046 1573 1394 CMNET-JIANGSU-AP China Mobile communications co 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 53966 UNALLOCATED 8.39.98.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 22542 UNALLOCATED 8.42.195.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 3356 LEVEL3, US 399953 UNALLOCATED 12.9.122.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 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, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.158.216.0/24 Origin: 204535 PIGGYTARO-DATA, CA 23.158.216.0/24 Transit: 22427 GNET-AS, US 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-DATA-2914, 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 /8:13 /9:10 /10:29 /11:43 /12:151 /13:223 /14:579 /15:1104 /16:7627 /17:3375 /18:4217 /19:7729 /20:12558 /21:15581 /22:28331 /23:28184 /24:159097 /25:60 /26:76 /27:36 /28:15 /29:16 /30:10 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3785 7226 UNINET, MX 22773 2517 3375 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2338 12944 AMAZON-02, US 11830 1694 1993 Instituto Costarricense de Electricidad y Telecom., CR 39891 1081 1936 ALJAWWALSTC-AS, SA 10620 981 1736 Telmex Colombia S.A., CO 209 966 1672 CENTURYLINK-US-LEGACY-QWEST, US 19901 934 1171 BRSPD-PUBLIC, US 36352 915 2302 AS-COLOCROSSING, US 11776 881 1877 ATLANTICBB-JOHNSTOWN, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:65 2:477 3:593 4:5 5:822 6:149 7:5 8:643 11:171 12:1003 13:290 14:141 15:300 16:241 17:5 18:887 20:173 21:4 22:188 23:2555 24:954 27:24 29:19 31:457 32:18 34:10 35:132 36:1226 37:1002 38:2307 39:543 40:54 41:946 42:237 43:204 44:25 45:4154 46:950 47:84 49:55 50:350 51:383 52:1387 54:277 55:1070 56:9 57:19 58:45 59:27 60:16 61:65 62:543 63:783 64:1888 65:1090 66:1630 67:963 68:431 69:1240 70:441 71:214 72:805 74:983 75:433 76:254 77:431 78:352 79:334 80:289 81:334 82:691 83:245 84:369 85:569 86:251 87:254 88:259 89:838 90:103 91:982 92:675 93:473 94:839 95:632 96:278 97:66 98:471 99:161 100:36 101:30 102:332 103:1246 104:1464 105:135 106:62 107:1485 108:546 109:380 110:57 111:1926 112:464 113:39 114:65 115:20 116:53 117:1043 118:213 119:132 120:1168 121:44 122:158 123:192 124:57 125:24 126:1 128:487 129:280 130:667 131:938 132:558 133:213 134:521 135:115 136:546 137:510 138:1026 139:422 140:711 141:428 142:976 143:708 144:419 145:76 146:701 147:508 148:851 149:725 150:375 151:705 152:530 153:126 154:1538 155:800 156:1376 157:373 158:503 159:670 160:837 161:731 162:1014 163:354 164:733 165:840 166:720 167:644 168:1501 169:145 170:1679 171:124 172:1421 173:808 174:254 175:64 176:710 177:1132 178:510 179:811 180:50 181:1901 182:46 183:880 184:506 185:3541 186:2480 187:1467 188:772 189:1742 190:5153 191:509 192:5111 193:1803 194:1246 195:947 196:810 197:1519 198:2686 199:4868 200:4036 201:3404 202:990 203:712 204:2143 205:1966 206:1575 207:1520 208:1367 209:1962 210:311 211:426 212:975 213:845 214:1014 215:42 216:2519 217:464 218:525 219:20 220:25 221:301 222:32 223:740 End of report