This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 28 Jun, 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: 1022749 Prefixes after maximum aggregation (per Origin AS): 382949 Deaggregation factor: 2.67 Unique aggregates announced (without unneeded subnets): 484469 Number of IPv4 prefixes with a valid ROA: 570974 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 451756 Total ASes present in the Internet Routing Table: 77122 Prefixes per ASN: 13.26 Origin-only ASes present in the Internet Routing Table: 65991 Origin ASes announcing only one prefix: 26524 Transit ASes present in the Internet Routing Table: 11131 Transit-only ASes present in the Internet Routing Table: 573 Paths with bogon ASNs present in the IPv4 Routing Table: 64 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 80 Max AS path prepend of ASN (133647) 73 Prefixes from unregistered ASNs in the Routing Table: 1082 Number of instances of unregistered ASNs: 1118 Number of 32-bit ASNs allocated by the RIRs: 46681 Number of 32-bit ASNs visible in the Routing Table: 38527 Prefixes from 32-bit ASNs in the Routing Table: 213109 Number of bogon 32-bit ASNs visible in the Routing Table: 86 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 307 Number of addresses announced to Internet: 3111597632 Equivalent to 185 /8s, 119 /16s and 54 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 334846 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 273846 Total APNIC prefixes after maximum aggregation: 78567 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 264576 Unique aggregates announced from the APNIC address blocks: 104756 APNIC Region origin ASes present in the Internet Routing Table: 14778 APNIC Prefixes per ASN: 17.90 APNIC Region origin ASes announcing only one prefix: 4473 APNIC Region transit ASes present in the Internet Routing Table: 1995 Average APNIC Region AS path length visible: 5.3 Max APNIC Region AS path length visible: 80 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10235 Number of APNIC addresses announced to Internet: 754381120 Equivalent to 44 /8s, 246 /16s and 241 /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: 295042 Total ARIN prefixes after maximum aggregation: 131486 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 296389 Unique aggregates announced from the ARIN address blocks: 139836 ARIN Region origin ASes present in the Internet Routing Table: 19233 ARIN Prefixes per ASN: 15.41 ARIN Region origin ASes announcing only one prefix: 7024 ARIN Region transit ASes present in the Internet Routing Table: 2005 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5234 Number of ARIN addresses announced to Internet: 1349409280 Equivalent to 80 /8s, 110 /16s and 90 /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: 282728 Total RIPE prefixes after maximum aggregation: 135807 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 281451 Unique aggregates announced from the RIPE address blocks: 176771 RIPE Region origin ASes present in the Internet Routing Table: 28978 RIPE Prefixes per ASN: 9.71 RIPE Region origin ASes announcing only one prefix: 12025 RIPE Region transit ASes present in the Internet Routing Table: 4012 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12548 Number of RIPE addresses announced to Internet: 731290560 Equivalent to 43 /8s, 150 /16s and 155 /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: 132741 Total LACNIC prefixes after maximum aggregation: 29663 LACNIC Deaggregation factor: 4.47 Prefixes being announced from the LACNIC address blocks: 129106 Unique aggregates announced from the LACNIC address blocks: 48983 LACNIC Region origin ASes present in the Internet Routing Table: 11283 LACNIC Prefixes per ASN: 11.44 LACNIC Region origin ASes announcing only one prefix: 2351 LACNIC Region transit ASes present in the Internet Routing Table: 2530 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 57 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9227 Number of LACNIC addresses announced to Internet: 171187264 Equivalent to 10 /8s, 52 /16s and 28 /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: 37310 Total AfriNIC prefixes after maximum aggregation: 6697 AfriNIC Deaggregation factor: 5.57 Prefixes being announced from the AfriNIC address blocks: 50920 Unique aggregates announced from the AfriNIC address blocks: 13842 AfriNIC Region origin ASes present in the Internet Routing Table: 1919 AfriNIC Prefixes per ASN: 26.53 AfriNIC Region origin ASes announcing only one prefix: 651 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 6.2 Max AfriNIC Region AS path length visible: 40 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283 Number of AfriNIC addresses announced to Internet: 105129216 Equivalent to 6 /8s, 68 /16s and 37 /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 11562 8919 171 CHINAMOBILE-CN China Mobile Communication 7545 6141 840 642 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4880 4192 75 ERX-CERNET-BKB China Education and Resear 45899 4405 1874 56 VNPT-AS-VN VNPT Corp, VN 9498 4351 535 314 BBIL-AP BHARTI Airtel Ltd., IN 18403 4348 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3947 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 24560 2892 857 527 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2426 832 220 CMNET-JIANGSU-AP China Mobile communicati 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 13634 40953 5233 AMAZON-02, US 174 5250 8758 850 COGENT-174, US 11492 4781 317 604 CABLEONE, US 7155 3871 287 89 VIASAT-SP-BACKBONE, US 6327 3637 1320 82 SHAW, CA 22773 3350 3016 165 ASN-CXA-ALL-CCI-22773-RDC, US 749 3227 54767 2478 DNIC-AS-00749, US 396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US 16625 2986 1251 2218 AKAMAI-AS, US 36352 2833 231 860 AS-COLOCROSSING, 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 7671 1713 148 UNI2-AS, ES 39891 4780 291 66 ALJAWWALSTC-AS, SA 20940 3963 3395 139 AKAMAI-ASN1, NL 9009 3902 359 2102 M247, RO 12389 3123 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical 5384 2416 585 29 EMIRATES-INTERNET Emirates Internet, AE 34984 2401 361 581 TELLCOM-AS, TR 212238 2336 170 1703 CDNEXT, GB 8452 1624 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 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 12267 3256 574 UNINET, MX 10620 3505 481 1017 Telmex Colombia S.A., CO 13999 2537 538 355 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1372 2436 260 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1197 371 22 Telefonica del Peru S.A.A., PE 11664 1181 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1065 68 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1055 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 1822 644 27 RAYA-AS, EG 24863 1622 389 17 LINKdotNET-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36992 1433 1519 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1076 523 47 Vodafone-, EG 20011 603 168 245 INTERNET-SOLUTIONS, ZA 36914 582 82 3 KENET-AS, KE 15399 541 57 60 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 13634 40953 5233 AMAZON-02, US 8151 12267 3256 574 UNINET, MX 9808 11562 8919 171 CHINAMOBILE-CN China Mobile Communication 12479 7671 1713 148 UNI2-AS, ES 7545 6141 840 642 TPG-INTERNET-AP TPG Telecom Limited, AU 174 5250 8758 850 COGENT-174, US 4538 4880 4192 75 ERX-CERNET-BKB China Education and Resear 11492 4781 317 604 CABLEONE, US 39891 4780 291 66 ALJAWWALSTC-AS, SA 45899 4405 1874 56 VNPT-AS-VN VNPT Corp, 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 8151 12267 11693 UNINET, MX 9808 11562 11391 CHINAMOBILE-CN China Mobile Communications Grou 12479 7671 7523 UNI2-AS, ES 7545 6141 5499 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4880 4805 ERX-CERNET-BKB China Education and Research Net 39891 4780 4714 ALJAWWALSTC-AS, SA 174 5250 4400 COGENT-174, US 45899 4405 4349 VNPT-AS-VN VNPT Corp, VN 18403 4348 4323 FPT-AS-AP FPT Telecom Company, VN 11492 4781 4177 CABLEONE, US 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 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 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:300 /13:586 /14:1215 /15:2174 /16:13942 /17:8529 /18:14395 /19:25459 /20:46274 /21:53830 /22:115018 /23:109295 /24:630827 /25:128 /26:113 /27:99 /28:19 /29:75 /30:8 /31:0 /32:300 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6594 7671 UNI2-AS, ES 8151 6456 12267 UNINET, MX 11492 3577 4781 CABLEONE, US 39891 3489 4780 ALJAWWALSTC-AS, SA 6327 3431 3637 SHAW, CA 7155 2829 3871 VIASAT-SP-BACKBONE, US 22773 2502 3350 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2347 13634 AMAZON-02, US 30036 2256 2597 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2192 3505 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) ---------------------------------------------- 1:2442 2:1627 3:820 4:12 5:5094 6:161 7:6 8:1597 9:1 11:172 12:1343 13:447 14:2604 15:366 16:284 17:383 18:921 20:581 21:4 22:188 23:7654 24:2820 25:2 27:2842 29:19 31:3454 32:47 33:1 34:84 35:259 36:3207 37:4641 38:10488 39:915 40:207 41:4467 42:1920 43:2761 44:380 45:19546 46:5241 47:343 49:1956 50:1891 51:592 52:1558 54:324 55:1094 56:11 57:276 58:2318 59:1333 60:1204 61:3171 62:3046 63:1809 64:5556 65:2196 66:4774 67:3123 68:1101 69:4013 70:1059 71:630 72:2947 74:2824 75:1526 76:608 77:2863 78:1897 79:1750 80:2252 81:2105 82:3196 83:1500 84:1891 85:3464 86:1190 87:2412 88:1372 89:4456 90:778 91:8502 92:2810 93:2971 94:4200 95:4442 96:1490 97:310 98:960 99:688 100:72 101:1448 102:4277 103:32886 104:5231 105:1191 106:985 107:2650 108:1263 109:4209 110:2292 111:3315 112:2185 113:1902 114:2022 115:2287 116:2151 117:2591 118:2983 119:2034 120:2149 121:1458 122:2934 123:2643 124:1741 125:2932 126:93 128:1699 129:967 130:1360 131:2143 132:787 133:451 134:1564 135:391 136:1356 137:1265 138:3015 139:1665 140:1643 141:1516 142:1939 143:1975 144:1171 145:565 146:2202 147:2120 148:2720 149:2993 150:1289 151:2115 152:2110 153:590 154:8200 155:1778 156:3169 157:1940 158:1326 159:2504 160:3695 161:1905 162:3900 163:2248 164:1897 165:2086 166:1517 167:2016 168:4172 169:799 170:5374 171:1030 172:4448 173:3368 174:919 175:1352 176:3825 177:5413 178:4001 179:2478 180:2720 181:4264 182:3513 183:2222 184:2118 185:21906 186:5521 187:4882 188:4435 189:4536 190:9879 191:1625 192:11351 193:9545 194:8021 195:5774 196:3415 197:3422 198:6132 199:8573 200:8691 201:6517 202:10932 203:10981 204:4586 205:3612 206:4534 207:3525 208:4309 209:5174 210:4982 211:2767 212:4651 213:3846 214:1011 215:46 216:6821 217:3404 218:1435 219:606 220:2143 221:1161 222:977 223:2577 End of report