[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Guam (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jun 18 21:31:10 UTC 2025


IPv4 R&E Routing Table Report   21:25 GMT Wed 18 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:                             1014394
    Prefixes after maximum aggregation (per Origin AS):          381834
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      482937
    Number of IPv4 prefixes with a valid ROA:                    564825
    Number of IPv4 prefixes with an invalid ROA:                     18
    Number of IPv4 prefixes with no ROA:                         449551
Total ASes present in the Internet Routing Table:                 77062
    Prefixes per ASN:                                             13.16
Origin-only ASes present in the Internet Routing Table:           65954
Origin ASes announcing only one prefix:                           26692
Transit ASes present in the Internet Routing Table:               11108
Transit-only ASes present in the Internet Routing Table:            569
Paths with bogon ASNs present in the IPv4 Routing Table:             58
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:              1112
    Number of instances of unregistered ASNs:                      1144
Number of 32-bit ASNs allocated by the RIRs:                      46679
Number of 32-bit ASNs visible in the Routing Table:               38451
Prefixes from 32-bit ASNs in the Routing Table:                  209861
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:            303
Number of addresses announced to Internet:                   3111473728
    Equivalent to 185 /8s, 117 /16s and 82 /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:      331382

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   271967
    Total APNIC prefixes after maximum aggregation:               78177
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          263405
    Unique aggregates announced from the APNIC address blocks:   104737
APNIC Region origin ASes present in the Internet Routing Table:   14739
    APNIC Prefixes per ASN:                                       17.87
APNIC Region origin ASes announcing only one prefix:               4462
APNIC Region transit ASes present in the Internet Routing Table:   1999
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:  10195
Number of APNIC addresses announced to Internet:              754313024
    Equivalent to 44 /8s, 245 /16s and 231 /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:                    293982
    Total ARIN prefixes after maximum aggregation:               131293
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295609
    Unique aggregates announced from the ARIN address blocks:    139522
ARIN Region origin ASes present in the Internet Routing Table:    19242
    ARIN Prefixes per ASN:                                        15.36
ARIN Region origin ASes announcing only one prefix:                7026
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:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5238
Number of ARIN addresses announced to Internet:              1349630208
    Equivalent to 80 /8s, 113 /16s and 185 /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:                    280768
    Total RIPE prefixes after maximum aggregation:               135076
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           279463
    Unique aggregates announced from the RIPE address blocks:    175900
RIPE Region origin ASes present in the Internet Routing Table:    28956
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12041
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:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12519
Number of RIPE addresses announced to Internet:               731105216
    Equivalent to 43 /8s, 147 /16s and 199 /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:                  130072
    Total LACNIC prefixes after maximum aggregation:              29877
    LACNIC Deaggregation factor:                                   4.35
Prefixes being announced from the LACNIC address blocks:         126458
    Unique aggregates announced from the LACNIC address blocks:   48898
LACNIC Region origin ASes present in the Internet Routing Table:  11266
    LACNIC Prefixes per ASN:                                      11.22
LACNIC Region origin ASes announcing only one prefix:              2492
LACNIC Region transit ASes present in the Internet Routing Table:  2517
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        57
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9210
Number of LACNIC addresses announced to Internet:             171298368
    Equivalent to 10 /8s, 53 /16s and 206 /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:                  36493
    Total AfriNIC prefixes after maximum aggregation:              6662
    AfriNIC Deaggregation factor:                                  5.48
Prefixes being announced from the AfriNIC address blocks:         49156
    Unique aggregates announced from the AfriNIC address blocks:  13604
AfriNIC Region origin ASes present in the Internet Routing Table:  1925
    AfriNIC Prefixes per ASN:                                     25.54
AfriNIC Region origin ASes announcing only one prefix:              671
AfriNIC Region transit ASes present in the Internet Routing Table:  380
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1289
Number of AfriNIC addresses announced to Internet:            104968192
    Equivalent to 6 /8s, 65 /16s and 176 /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       11371       8919     162  CHINAMOBILE-CN China Mobile Communication
  7545        6179        846     640  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4885       4192      75  ERX-CERNET-BKB China Education and Resear
 18403        4456        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4396       1874      56  VNPT-AS-VN VNPT Corp, VN
  9498        4331        535     311  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3947       1332      27  VIETEL-AS-AP Viettel Group, VN
  7713        3696       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2887        856     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2323        831     217  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       13688      40936    5241  AMAZON-02, US
   174        5368       8744     872  COGENT-174, US
 11492        4772        316     600  CABLEONE, US
  7155        3871        287      89  VIASAT-SP-BACKBONE, US
  6327        3636       1320      81  SHAW, CA
 22773        3346       3016     165  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3227      54767    2478  DNIC-AS-00749, US
396982        3188       3854     426  GOOGLE-CLOUD-PLATFORM, US
 16625        3021       1260    2227  AKAMAI-AS, US
 36352        2816        230     846  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        7678       1713     148  UNI2-AS, ES
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 20940        3969       3395     139  AKAMAI-ASN1, NL
  9009        3891        358    2092  M247, RO
 12389        3114       2304     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
  5384        2417        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2402        361     576  TELLCOM-AS, TR
212238        2302        169    1685  CDNEXT, GB
  8452        1625       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       12183       3256     574  UNINET, MX
 10620        3502        481    1019  Telmex Colombia S.A., CO
 13999        2533        537     353  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1372       2436     260  Claro NXT Telecomunicacoes Ltda, BR
  3816        1340        787     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1202        371      22  Telefonica del Peru S.A.A., PE
 22884        1064         68     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
 28202        1053         52       9  MASTER SA, BR
 26615        1049       2503      52  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        1820        644      27  RAYA-AS, EG
 24863        1623        389      17  LINKdotNET-AS, EG
 29571        1606        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1061        520      44  Vodafone-, EG
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 36914         566         82       3  KENET-AS, KE
 15399         540         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       13688      40936    5241  AMAZON-02, US
  8151       12183       3256     574  UNINET, MX
  9808       11371       8919     162  CHINAMOBILE-CN China Mobile Communication
 12479        7678       1713     148  UNI2-AS, ES
  7545        6179        846     640  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5368       8744     872  COGENT-174, US
  4538        4885       4192      75  ERX-CERNET-BKB China Education and Resear
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 11492        4772        316     600  CABLEONE, US
 18403        4456        347      25  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
  8151       12183        11609  UNINET, MX
  9808       11371        11209  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7678         7530  UNI2-AS, ES
  7545        6179         5539  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4885         4810  ERX-CERNET-BKB China Education and Research Net
 39891        4780         4714  ALJAWWALSTC-AS, SA
   174        5368         4496  COGENT-174, US
 18403        4456         4431  FPT-AS-AP FPT Telecom Company, VN
 45899        4396         4340  VNPT-AS-VN VNPT Corp, VN
 11492        4772         4172  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
    394804  UNALLOCATED  8.33.225.0/24             3356  LEVEL3, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              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
23.147.240.0/24      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
23.159.56.0/24       Origin:       174  COGENT-174, US
23.159.56.0/24      Transit:      2914  NTT-DATA-2914, 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      /12:301     
/13:585     /14:1214    /15:2172    /16:13970   /17:8506    /18:14334   
/19:25421   /20:46135   /21:53506   /22:114518  /23:107211  /24:625621  
/25:125     /26:112     /27:98      /28:19      /29:75      /30:8       
/31:0       /32:300     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 12479        6597        7678  UNI2-AS, ES
  8151        6403       12183  UNINET, MX
 11492        3568        4772  CABLEONE, US
 39891        3489        4780  ALJAWWALSTC-AS, SA
  6327        3431        3636  SHAW, CA
  7155        2829        3871  VIASAT-SP-BACKBONE, US
 22773        2499        3346  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2371       13688  AMAZON-02, US
 30036        2253        2594  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2189        3502  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)
----------------------------------------------

   1:2446      2:1622      3:826       4:12        5:4884      6:162    
   7:6         8:1603      9:1        11:172      12:1349     13:458    
  14:2591     15:362      16:285      17:381      18:922      20:565    
  21:4        22:188      23:7633     24:2874     25:2        27:2837   
  29:19       31:3430     32:45       33:1        34:84       35:256    
  36:3131     37:4640     38:10560    39:915      40:175      41:4391   
  42:1999     43:2728     44:386      45:19193    46:5214     47:339    
  49:1971     50:1887     51:591      52:1566     54:323      55:1077   
  56:11       57:275      58:2328     59:1367     60:1203     61:3162   
  62:3005     63:1810     64:5504     65:2184     66:4680     67:3075   
  68:1123     69:3943     70:1072     71:631      72:2858     74:2816   
  75:1512     76:616      77:2732     78:1886     79:1734     80:2247   
  81:2053     82:3174     83:1464     84:1886     85:3460     86:1183   
  87:2400     88:1353     89:4462     90:773      91:8496     92:2806   
  93:2949     94:4168     95:4382     96:1471     97:311      98:983    
  99:692     100:73      101:1451    102:4083    103:32822   104:5161   
 105:1186    106:1049    107:2661    108:1255    109:4170    110:2277   
 111:3353    112:2168    113:1869    114:2016    115:2238    116:2150   
 117:2581    118:2947    119:2029    120:2118    121:1456    122:2921   
 123:2618    124:1727    125:2925    126:93      128:1675    129:967    
 130:1323    131:2090    132:788     133:450     134:1558    135:389    
 136:1355    137:1261    138:2995    139:1667    140:1624    141:1505   
 142:1903    143:1887    144:1180    145:544     146:2205    147:2116   
 148:2680    149:2977    150:1275    151:1967    152:2089    153:590    
 154:7635    155:1764    156:2870    157:1926    158:1330    159:2498   
 160:3629    161:1900    162:3879    163:2237    164:1883    165:2011   
 166:1498    167:1999    168:4151    169:799     170:5320    171:1031   
 172:4456    173:3335    174:919     175:1333    176:3792    177:5284   
 178:3771    179:2446    180:2719    181:4239    182:3488    183:2208   
 184:2108    185:21787   186:5462    187:4830    188:4430    189:4478   
 190:9836    191:1900    192:11337   193:9549    194:7993    195:5761   
 196:3351    197:3261    198:6126    199:8545    200:8537    201:6478   
 202:10877   203:10984   204:4553    205:3630    206:4525    207:3509   
 208:4305    209:5157    210:4955    211:2765    212:4657    213:3780   
 214:1030    215:48      216:6797    217:3354    218:1429    219:599    
 220:2089    221:1147    222:977     223:2532   

End of report


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