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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jan 19 21:29:03 UTC 2025


IPv4 R&E Routing Table Report   21:20 GMT Sun 19 Jan, 2025

  IPv4 BGP Table (R&E) as seen at Guam.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/UniGuam/

Analysis Summary
----------------

BGP routing table entries examined:                               18990
    Prefixes after maximum aggregation (per Origin AS):            9253
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):         230
    Number of IPv4 prefixes with a valid ROA:                      7514
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          11476
Total ASes present in the Internet Routing Table:                  2704
    Prefixes per ASN:                                              7.02
Origin-only ASes present in the Internet Routing Table:            2306
Origin ASes announcing only one prefix:                            1019
Transit ASes present in the Internet Routing Table:                 398
Transit-only ASes present in the Internet Routing Table:             92
Paths with bogon ASNs present in the IPv4 Routing Table:            100
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      21
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      46116
Number of 32-bit ASNs visible in the Routing Table:                 663
Prefixes from 32-bit ASNs in the Routing Table:                    1776
Number of bogon 32-bit ASNs visible in the Routing Table:            66
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              1
Number of addresses announced to Internet:                   3224586416
    Equivalent to 192 /8s, 51 /16s and 72 /24s
    Percentage of available address space announced:               87.1
    Percentage of allocated address space announced:               87.1
    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:        1970

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

Prefixes being announced by APNIC Region ASes:                     3940
    Total APNIC prefixes after maximum aggregation:                1674
    APNIC Deaggregation factor:                                    2.35
Prefixes being announced from the APNIC address blocks:            3941
    Unique aggregates announced from the APNIC address blocks:       10
APNIC Region origin ASes present in the Internet Routing Table:     467
    APNIC Prefixes per ASN:                                        8.44
APNIC Region origin ASes announcing only one prefix:                195
APNIC Region transit ASes present in the Internet Routing Table:     56
Average APNIC Region AS path length visible:                        5.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    199
Number of APNIC addresses announced to Internet:                 663040
    Equivalent to 0 /8s, 10 /16s and 30 /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, 131072-153913
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:                      8845
    Total ARIN prefixes after maximum aggregation:                 4827
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:             8842
    Unique aggregates announced from the ARIN address blocks:       181
ARIN Region origin ASes present in the Internet Routing Table:     1258
    ARIN Prefixes per ASN:                                         7.03
ARIN Region origin ASes announcing only one prefix:                 442
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         5.6
    Max ARIN Region AS path length visible:                          17
Number of ARIN region 32-bit ASNs visible in the Routing Table:     200
Number of ARIN addresses announced to Internet:             -2144930896
    Equivalent to 128 /8s, 38 /16s and 243 /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:                      3542
    Total RIPE prefixes after maximum aggregation:                 2067
    RIPE Deaggregation factor:                                     1.71
Prefixes being announced from the RIPE address blocks:             3546
    Unique aggregates announced from the RIPE address blocks:        37
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.34
RIPE Region origin ASes announcing only one prefix:                 298
RIPE Region transit ASes present in the Internet Routing Table:     111
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     156
Number of RIPE addresses announced to Internet:                  143104
    Equivalent to 0 /8s, 2 /16s and 47 /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:                    1525
    Total LACNIC prefixes after maximum aggregation:                526
    LACNIC Deaggregation factor:                                   2.90
Prefixes being announced from the LACNIC address blocks:           1524
    Unique aggregates announced from the LACNIC address blocks:       0
LACNIC Region origin ASes present in the Internet Routing Table:    172
    LACNIC Prefixes per ASN:                                       8.86
LACNIC Region origin ASes announcing only one prefix:                55
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       6.3
    Max LACNIC Region AS path length visible:                        15
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    79
Number of LACNIC addresses announced to Internet:                     0
    Equivalent to 0 /8s, 0 /16s and 0 /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:                   1137
    Total AfriNIC prefixes after maximum aggregation:               158
    AfriNIC Deaggregation factor:                                  7.20
Prefixes being announced from the AfriNIC address blocks:          1136
    Unique aggregates announced from the AfriNIC address blocks:      2
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     22.72
AfriNIC Region origin ASes announcing only one prefix:               29
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:           1073743872
    Equivalent to 64 /8s, 0 /16s and 8 /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
  7497         449      262242      30  CSTNET-AS-AP Computer Network Informatio
  1237         195      786482     172  KREONET-AS-KR KISTI, KR
  7575         189      262159      86  AARNET-AS-AP Australian Academic and Res
 55824         146      524306      11  NKN-CORE-NW NKN Core Network, IN
 10079         145         16       1  UNIWESTSYD-AS-AP University of Western Sy
  4538         140       4189      72  ERX-CERNET-BKB China Education and Resear
  4762          75          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
 24313          70         16       1  NSW-DET-AS NSW Department of Education, A
  4621          69      524322      15  UNINET-AS-AP UNINET-, TH
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         507      786717      65  CENIC-2152, US
  2920         226      786470      55  LACOE, US
   668         206      786717     101  DNIC-AS-00668, US
   376         201      786586     161  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
 18558         140         18       5  NETBLK-RCOEK, US
    81         129      524806      34  NCREN, US
     1         128      524289      50  LVLT-1, US
   270         117        312      84  AS270, US
 23024          97          4      16  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284        140      36  DFN Verein zur Foerderung eines Deutschen
   786         186      786928      43  JANET Jisc Services Limited, GB
  8895         130      262168       5  ISU Internet Services Unit ISU, SA
   559         114      262649      34  SWITCH Peering requests: peering at switch.
  1103          96      787323      50  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93      262164      19  ROEDUNET, RO
   137          82      262738      38  ASGARR Consortium GARR, IT
  1930          79      262165       5  RCCN Fundacao para a Ciencia e a Tecnolo
   553          78      524737      78  BELWUE BelWue-Koordination, DE
  3267          78      262166      41  NIKS, RU

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         219      524445      56  Rede Nacional de Ensino e Pesquisa, BR
 28391         157      262149      29  Universidad Juarez Autonoma de Tabasco, 
 11340         109      262146       8  Red Universitaria Nacional, CL
271640          67          0      67  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          52      262144       4  CEDIA, EC
  2715          49      262243      35  Fundacao Carlos Chagas Filho de Amparo a
 19611          48         16      13  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  3596          40      262150       3  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         542         82       3  KENET-AS, KE
  2018         379      262449      73  TENET-1, ZA
  8094          47      262150       4  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37661          12      262148       2  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
327700          11         16       1  MoRENet, MZ
 36982           8      262160       3  UCT, ZA
 37182           7          0       7  TERNET, TZ

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         542         82       3  KENET-AS, KE
  2152         507      786717      65  CENIC-2152, US
  7497         449      262242      30  CSTNET-AS-AP Computer Network Informatio
  2018         379      262449      73  TENET-1, ZA
   680         284        140      36  DFN Verein zur Foerderung eines Deutschen
  2920         226      786470      55  LACOE, US
  1916         219      524445      56  Rede Nacional de Ensino e Pesquisa, BR
   668         206      786717     101  DNIC-AS-00668, US
   376         201      786586     161  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  2152         507          442  CENIC-2152, US
  7497         449          419  CSTNET-AS-AP Computer Network Information Cente
  2018         379          306  TENET-1, ZA
   680         284          248  DFN Verein zur Foerderung eines Deutschen Forsc
  5786         198          197  UPRENET, PR
  2920         226          171  LACOE, US
  1916         219          163  Rede Nacional de Ensino e Pesquisa, BR
 10079         145          144  UNIWESTSYD-AS-AP University of Western Sydney, 
   786         186          143  JANET Jisc Services Limited, GB
 55824         146          135  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
164.160.192.0/2      Origin:     37661  NRaE1-AS, NG
164.160.192.0/2     Transit:     37288  WACREN, SN

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:370      /2:4953     /3:3        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:1       /12:11      
/13:17      /14:31      /15:117     /16:1803    /17:279     /18:305     
/19:391     /20:583     /21:586     /22:934     /23:1015    /24:7373    
/25:24      /26:44      /27:87      /28:11      /29:46      /30:4       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         370         542  KENET-AS, KE
  8895          85         130  ISU Internet Services Unit ISU, SA
  1916          43         219  Rede Nacional de Ensino e Pesquisa, BR
  3267          34          78  NIKS, RU
 23024          34          97  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 32440          31          58  LONI, US
 25977          30          44  HCCS, US
     1          29         128  LVLT-1, US

Complete listing at https://bgp.nsrc.org/REN/UniGuam/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2         4:2         5:15        6:4         8:2        12:1      
  14:94       23:14       24:1        31:1        35:6        37:8      
  38:11       40:1        41:223      42:11       44:4        45:61     
  46:4        47:1        49:11       50:4        52:1        59:19     
  60:6        61:3        62:8        63:32       64:49       65:5      
  66:43       67:41       68:21       69:20       70:2        71:1      
  72:8        74:52       76:38       77:11       78:3        79:10     
  80:12       81:25       82:7        83:7        84:9        85:44     
  86:6        87:1        88:1        89:11       91:42       92:2      
  93:13       94:2        95:2        96:5        97:1        98:2      
 102:3       103:174     104:44      108:10      111:16      113:1      
 114:24      116:9       117:61      119:23      121:23      123:8      
 124:42      125:5       128:52      129:35      130:54      131:39     
 132:27      134:94      136:86      137:123     138:65      139:7      
 140:15      141:1       142:33      143:15      144:24      146:124    
 147:37      148:86      149:8       150:21      151:8       152:130    
 153:13      154:43      155:45      156:129     157:23      158:19     
 159:44      160:2       161:8       162:24      163:30      164:6      
 165:7       166:3       167:21      168:61      169:3       170:44     
 171:1       172:1       173:6       175:11      176:1       177:8      
 179:11      180:16      182:10      185:32      186:2       187:21     
 188:11      189:3       190:16      191:14      192:1015    193:190    
 194:91      195:48      196:144     197:180     198:296     199:170    
 200:162     201:33      202:431     203:244     204:218     205:83     
 206:123     207:197     208:35      209:111     210:150     211:2      
 212:88      213:5       214:9       216:51      217:4       218:3      
 220:13      223:15     

End of report


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