IPv4 R&E Routing Table Report 21:25 GMT Mon 11 Aug, 2025 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1016353 Prefixes after maximum aggregation (per Origin AS): 386194 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 489306 Number of IPv4 prefixes with a valid ROA: 571834 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 444500 Total ASes present in the Internet Routing Table: 77301 Prefixes per ASN: 13.15 Origin-only ASes present in the Internet Routing Table: 66113 Origin ASes announcing only one prefix: 26949 Transit ASes present in the Internet Routing Table: 11188 Transit-only ASes present in the Internet Routing Table: 567 Paths with bogon ASNs present in the IPv4 Routing Table: 60 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 85 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 1081 Number of instances of unregistered ASNs: 1114 Number of 32-bit ASNs allocated by the RIRs: 47115 Number of 32-bit ASNs visible in the Routing Table: 38810 Prefixes from 32-bit ASNs in the Routing Table: 210260 Number of bogon 32-bit ASNs visible in the Routing Table: 80 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 298 Number of addresses announced to Internet: 3113316676 Equivalent to 185 /8s, 145 /16s and 113 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 329498 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 276634 Total APNIC prefixes after maximum aggregation: 79207 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 267649 Unique aggregates announced from the APNIC address blocks: 105305 APNIC Region origin ASes present in the Internet Routing Table: 14864 APNIC Prefixes per ASN: 18.01 APNIC Region origin ASes announcing only one prefix: 4511 APNIC Region transit ASes present in the Internet Routing Table: 2018 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10334 Number of APNIC addresses announced to Internet: 755043648 Equivalent to 45 /8s, 1 /16s and 13 /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: 295609 Total ARIN prefixes after maximum aggregation: 132723 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 296839 Unique aggregates announced from the ARIN address blocks: 141928 ARIN Region origin ASes present in the Internet Routing Table: 19272 ARIN Prefixes per ASN: 15.40 ARIN Region origin ASes announcing only one prefix: 7046 ARIN Region transit ASes present in the Internet Routing Table: 1996 Average ARIN Region AS path length visible: 4.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5282 Number of ARIN addresses announced to Internet: 1349535489 Equivalent to 80 /8s, 112 /16s and 71 /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: 281382 Total RIPE prefixes after maximum aggregation: 136881 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 280464 Unique aggregates announced from the RIPE address blocks: 178616 RIPE Region origin ASes present in the Internet Routing Table: 29017 RIPE Prefixes per ASN: 9.67 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 4025 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12637 Number of RIPE addresses announced to Internet: 732196803 Equivalent to 43 /8s, 164 /16s and 111 /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: 126011 Total LACNIC prefixes after maximum aggregation: 29840 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 122276 Unique aggregates announced from the LACNIC address blocks: 49075 LACNIC Region origin ASes present in the Internet Routing Table: 11283 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2646 LACNIC Region transit ASes present in the Internet Routing Table: 2557 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9246 Number of LACNIC addresses announced to Internet: 171182912 Equivalent to 10 /8s, 52 /16s and 11 /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: 35636 Total AfriNIC prefixes after maximum aggregation: 6830 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 48827 Unique aggregates announced from the AfriNIC address blocks: 14110 AfriNIC Region origin ASes present in the Internet Routing Table: 1947 AfriNIC Prefixes per ASN: 25.08 AfriNIC Region origin ASes announcing only one prefix: 691 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1311 Number of AfriNIC addresses announced to Internet: 105164544 Equivalent to 6 /8s, 68 /16s and 175 /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 12775 8921 172 CHINAMOBILE-CN China Mobile Communication 7545 6128 838 608 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4884 4192 75 ERX-CERNET-BKB China Education and Resear 18403 4577 347 26 FPT-AS-AP FPT Telecom Company, VN 9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN 45899 4386 1874 55 VNPT-AS-VN VNPT Corp, VN 7552 3970 1332 28 VIETEL-AS-AP Viettel Group, VN 7713 3692 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 56046 3099 832 221 CMNET-JIANGSU-AP China Mobile communicati 24560 2918 864 504 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13783 41095 5309 AMAZON-02, US 174 5368 8769 854 COGENT-174, US 11492 4783 317 680 CABLEONE, US 7155 3873 287 89 VIASAT-SP-BACKBONE, US 6327 3644 1320 82 SHAW, CA 22773 3338 3013 163 ASN-CXA-ALL-CCI-22773-RDC, US 749 3222 54766 2473 DNIC-AS-00749, US 396982 3203 3858 435 GOOGLE-CLOUD-PLATFORM, US 16625 2936 1238 2181 AKAMAI-AS, US 4155 2912 227 1734 USDA-1, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7566 1711 153 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 3943 3396 140 AKAMAI-ASN1, NL 9009 3862 366 2179 M247, RO 12389 3114 2315 866 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2404 361 584 TELLCOM-AS, TR 5384 2391 585 29 EMIRATES-INTERNET Emirates Internet, AE 212238 2327 165 1692 CDNEXT, GB 13188 1605 100 37 TRIOLAN, UA 8452 1585 1852 14 TE-AS TE-AS, EG Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12326 3272 580 UNINET, MX 10620 3475 472 1052 Telmex Colombia S.A., CO 13999 2528 511 354 Mega Cable, S.A. de C.V., MX 11830 1986 369 64 Instituto Costarricense de Electricidad y 28573 1373 2433 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1196 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1184 371 22 Telefonica del Peru S.A.A., PE 22884 1066 68 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1018 2487 55 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1770 660 28 RAYA-AS, EG 29571 1488 94 32 ORANGE-COTE-IVOIRE, CI 36992 1420 1495 375 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 24863 1241 389 20 LINKdotNET-AS, EG 37069 1086 1112 11 MOBINIL, EG 36935 972 520 43 Vodafone-, EG 36914 570 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 539 57 59 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 13783 41095 5309 AMAZON-02, US 9808 12775 8921 172 CHINAMOBILE-CN China Mobile Communication 8151 12326 3272 580 UNINET, MX 12479 7566 1711 153 UNI2-AS, ES 7545 6128 838 608 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5368 8769 854 COGENT-174, US 4538 4884 4192 75 ERX-CERNET-BKB China Education and Resear 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4783 317 680 CABLEONE, US 18403 4577 347 26 FPT-AS-AP FPT Telecom Company, VN Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 12775 12603 CHINAMOBILE-CN China Mobile Communications Grou 8151 12326 11746 UNINET, MX 12479 7566 7413 UNI2-AS, ES 7545 6128 5520 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4884 4809 ERX-CERNET-BKB China Education and Research Net 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4577 4551 FPT-AS-AP FPT Telecom Company, VN 174 5368 4514 COGENT-174, US 45899 4386 4331 VNPT-AS-VN VNPT Corp, VN 9498 4463 4152 BBIL-AP BHARTI Airtel Ltd., IN Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US 398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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/Guam/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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.224.0/24 Origin: 27392 639-DATACENTERS, US 23.147.224.0/24 Transit: 3356 LEVEL3, US 23.147.225.0/24 Origin: 27392 639-DATACENTERS, US 23.147.225.0/24 Transit: 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Guam/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 /8:16 /9:14 /10:41 /11:92 /12:299 /13:582 /14:1214 /15:2173 /16:13922 /17:8476 /18:14302 /19:25398 /20:45915 /21:53250 /22:114133 /23:106364 /24:629383 /25:146 /26:112 /27:116 /28:20 /29:68 /30:9 /31:0 /32:308 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 6545 12326 UNINET, MX 12479 6528 7566 UNI2-AS, ES 11492 3593 4783 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3440 3644 SHAW, CA 7155 2831 3873 VIASAT-SP-BACKBONE, US 22773 2492 3338 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2340 13783 AMAZON-02, US 30036 2297 2639 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2195 3475 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2491 2:1596 3:876 4:12 5:4861 6:157 7:6 8:1576 9:2 11:172 12:1335 13:473 14:2652 15:370 16:286 17:383 18:900 20:579 21:4 22:188 23:7793 24:2709 25:2 27:2867 29:19 31:3467 32:39 33:1 34:84 35:264 36:4236 37:4622 38:10633 39:976 40:258 41:4371 42:2075 43:2808 44:383 45:18920 46:5232 47:356 49:1928 50:2050 51:591 52:1551 54:323 55:1108 56:11 57:278 58:2302 59:1411 60:1203 61:3160 62:3044 63:1789 64:5601 65:2154 66:4800 67:3105 68:1074 69:3981 70:1031 71:634 72:2854 74:2828 75:1514 76:606 77:2772 78:1896 79:1749 80:2249 81:2085 82:3245 83:1484 84:1933 85:3456 86:1214 87:2411 88:1315 89:4487 90:775 91:8477 92:2815 93:2975 94:4256 95:4455 96:1492 97:310 98:958 99:698 100:71 101:1488 102:4101 103:32747 104:5267 105:1024 106:882 107:2655 108:1268 109:4256 110:2283 111:3549 112:2449 113:1908 114:1999 115:2284 116:2160 117:2734 118:3019 119:2039 120:2249 121:1414 122:2938 123:2504 124:1794 125:2936 126:91 128:1632 129:969 130:1322 131:2073 132:784 133:450 134:1603 135:357 136:1469 137:1272 138:2876 139:1670 140:1648 141:1540 142:1923 143:1970 144:1193 145:575 146:2201 147:2108 148:2706 149:3029 150:1299 151:2329 152:2104 153:594 154:7904 155:1888 156:3096 157:1950 158:1366 159:2532 160:3614 161:1912 162:3894 163:2270 164:1893 165:2473 166:1540 167:2040 168:3941 169:783 170:5259 171:1011 172:4231 173:3409 174:910 175:1353 176:3756 177:4885 178:4016 179:2372 180:2668 181:4174 182:3624 183:2360 184:2099 185:21704 186:5282 187:4716 188:4295 189:4403 190:9546 191:1555 192:11379 193:9516 194:7945 195:5749 196:3315 197:3186 198:6144 199:8619 200:8274 201:6422 202:10984 203:10942 204:4597 205:3655 206:4575 207:3559 208:4326 209:5145 210:5052 211:2865 212:4652 213:3855 214:1036 215:50 216:6821 217:3427 218:1487 219:604 220:2153 221:1213 222:994 223:2841 End of report