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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Feb 26 21:21:20 UTC 2024


IPv4 R&E Routing Table Report   21:20 GMT Mon 26 Feb, 2024

  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:                               14667
    Prefixes after maximum aggregation (per Origin AS):            8200
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):        9234
    Number of IPv4 prefixes with a valid ROA:                      5157
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                           9510
Total ASes present in the Internet Routing Table:                  2102
    Prefixes per ASN:                                              6.98
Origin-only ASes present in the Internet Routing Table:            1780
Origin ASes announcing only one prefix:                             800
Transit ASes present in the Internet Routing Table:                 322
Transit-only ASes present in the Internet Routing Table:             72
Paths with bogon ASNs present in the IPv4 Routing Table:             92
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 47805)                              11
Prefixes from unregistered ASNs in the Routing Table:                 8
    Number of instances of unregistered ASNs:                         8
Number of 32-bit ASNs allocated by the RIRs:                      43713
Number of 32-bit ASNs visible in the Routing Table:                 490
Prefixes from 32-bit ASNs in the Routing Table:                    1552
Number of bogon 32-bit ASNs visible in the Routing Table:             2
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              0
Number of addresses announced to Internet:                    162034817
    Equivalent to 9 /8s, 168 /16s and 116 /24s
    Percentage of available address space announced:                4.4
    Percentage of allocated address space announced:                4.4
    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:        1979

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

Prefixes being announced by APNIC Region ASes:                     2649
    Total APNIC prefixes after maximum aggregation:                1205
    APNIC Deaggregation factor:                                    2.20
Prefixes being announced from the APNIC address blocks:            2650
    Unique aggregates announced from the APNIC address blocks:     1301
APNIC Region origin ASes present in the Internet Routing Table:     339
    APNIC Prefixes per ASN:                                        7.82
APNIC Region origin ASes announcing only one prefix:                153
APNIC Region transit ASes present in the Internet Routing Table:     51
Average APNIC Region AS path length visible:                        5.6
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    152
Number of APNIC addresses announced to Internet:               30185441
    Equivalent to 1 /8s, 204 /16s and 151 /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:                      6282
    Total ARIN prefixes after maximum aggregation:                 3536
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:             6279
    Unique aggregates announced from the ARIN address blocks:      4096
ARIN Region origin ASes present in the Internet Routing Table:      892
    ARIN Prefixes per ASN:                                         7.04
ARIN Region origin ASes announcing only one prefix:                 306
ARIN Region transit ASes present in the Internet Routing Table:     132
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     133
Number of ARIN addresses announced to Internet:                69769328
    Equivalent to 4 /8s, 40 /16s and 152 /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, 393216-401308
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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                      3349
    Total RIPE prefixes after maximum aggregation:                 2661
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3360
    Unique aggregates announced from the RIPE address blocks:      2738
RIPE Region origin ASes present in the Internet Routing Table:      597
    RIPE Prefixes per ASN:                                         5.63
RIPE Region origin ASes announcing only one prefix:                 261
RIPE Region transit ASes present in the Internet Routing Table:      91
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     124
Number of RIPE addresses announced to Internet:                55517312
    Equivalent to 3 /8s, 79 /16s and 32 /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,
                        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:                    1382
    Total LACNIC prefixes after maximum aggregation:                564
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1381
    Unique aggregates announced from the LACNIC address blocks:     753
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.52
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    66
Number of LACNIC addresses announced to Internet:               4139696
    Equivalent to 0 /8s, 63 /16s and 42 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                    997
    Total AfriNIC prefixes after maximum aggregation:               228
    AfriNIC Deaggregation factor:                                  4.37
Prefixes being announced from the AfriNIC address blocks:           997
    Unique aggregates announced from the AfriNIC address blocks:    346
AfriNIC Region origin ASes present in the Internet Routing Table:    37
    AfriNIC Prefixes per ASN:                                     26.95
AfriNIC Region origin ASes announcing only one prefix:               19
AfriNIC Region transit ASes present in the Internet Routing Table:    8
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   15
Number of AfriNIC addresses announced to Internet:              2423040
    Equivalent to 0 /8s, 36 /16s and 249 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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         441        180      23  CSTNET-AS-AP Computer Network Informati
  7575         335        330     122  AARNET-AS-AP Australian Academic and Re
 55824         130         19      19  NKN-CORE-NW NKN Core Network, IN
  4538         128       4192      73  ERX-CERNET-BKB China Education and Rese
 24313          70         16       1  NSW-DET-AS NSW Department of Education,
  2697          58          4      34  ERX-ERNET-AS Education and Research Net
  1659          51       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  7645          45         32       2  DEAKINUNIVERSITY-AS-AP Deakin Universit
132524          44          9      11  TIFR-AS Tata Institute of Fundamental R
  9270          35          5       6  APAN-KR-AS National Infomation Society 

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
   668         203        648     172  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2152         175        507      94  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         126        521      30  NCREN, US
     1         125          2      47  LVLT-1, US
   270         117        328      81  AS270, US
 32440         112         35      18  LONI, US
 19437         110          8     104  SS-ASH, 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         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   786         184       1767     181  JANET Jisc Services Limited, GB
  8895         161         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch
  1103          95       1503      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnol
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         44      68  RUNNET, 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         174        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         106          9      51  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          48         16       2  Red de Interconexion Universitaria, AR
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  2715          44         99      34  Fundacao Carlos Chagas Filho de Amparo 
 28614          38          2       2  Fundacao Universidade Regional de Blume
  3596          36          4       3  Universidad Autonoma Metropolitana, MX
  1251          35         32      25  FUNDACAO DE AMPARO A PESQUISA DO ESTADO

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
  2018         376        319      71  TENET-1, ZA
 36914         317         71      24  KENET-AS, KE
327687         101          8      50  RENU, UG
  8094          47         48      18  PUKNET, ZA
327700          43         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 37215           9          8       1  MAREN, MW
 36982           8         33       8  UCT, ZA

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
  7497         441        180      23  CSTNET-AS-AP Computer Network Informati
  2018         376        319      71  TENET-1, ZA
  7575         335        330     122  AARNET-AS-AP Australian Academic and Re
 36914         317         71      24  KENET-AS, KE
   680         283       1899     249  DFN Verein zur Foerderung eines Deutsch
   668         203        648     172  DNIC-AS-00668, US
   376         201        162     151  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
   786         184       1767     181  JANET Jisc Services Limited, GB
  2152         175        507      94  CSUNET-NW, US

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

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

   ASN  No of nets  Net Savings  Description
  2018         376          305  TENET-1, ZA
 36914         317          293  KENET-AS, KE
  7575         335          213  AARNET-AS-AP Australian Academic and Research N
  5786         198          197  UPRENET, PR
  8895         161          156  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
  1916         174          131  Rede Nacional de Ensino e Pesquisa, BR
 55824         130          111  NKN-CORE-NW NKN Core Network, IN
    81         126           96  NCREN, US
  2920         102           95  LACOE, US

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
     26303  UNALLOCATED  76.165.220.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.221.0/24          32440  LONI, US
     26303  UNALLOCATED  76.165.222.0/24          32440  LONI, US
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
4200000258  PRIVATE      162.222.213.0/24         60558  SECUREDSERVERS-EU, US
     26303  UNALLOCATED  199.190.249.0/24         32440  LONI, US
     11570  UNALLOCATED  204.134.85.0/24          40498  ABQG, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:1       /11:1       /12:10      
/13:17      /14:27      /15:116     /16:1509    /17:348     /18:349     
/19:410     /20:666     /21:701     /22:1058    /23:1148    /24:7909    
/25:81      /26:47      /27:134     /28:32      /29:75      /30:16      
/31:6       /32:5       

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

   ASN  No of nets  Total ann.  Description
 36914         309         317  KENET-AS, KE
  8895         156         161  ISU Internet Services Unit ISU, SA
 32440          80         112  LONI, US
 23024          52         106  OCDE, US
 19437          49         110  SS-ASH, US
     1          42         125  LVLT-1, US
327700          38          43  MoRENet, MZ
  3267          35          77  RUNNET, RU
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
200521          32          54  SEAP-AGE, ES

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

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

   1:1         4:2         5:15        6:4         8:2        14:91     
  23:22       24:1        31:1        35:2        38:7        41:118    
  42:10       44:5        45:32       46:6        47:1        49:9      
  50:10       59:1        60:6        61:2        62:9        63:3      
  64:17       65:1        66:24       67:42       68:7        69:15     
  70:2        72:5        74:14       76:41       77:12       78:2      
  79:10       80:12       81:23       82:5        83:5        84:5      
  85:27       86:5        87:1        88:1        89:10       91:42     
  92:2        93:4        94:2        95:2        96:5        97:1      
  98:2       101:2       102:29      103:194     104:79      108:10     
 109:7       111:2       113:1       116:8       118:1       119:19     
 121:11      122:8       123:8       124:42      125:5       128:61     
 129:35      130:84      131:38      132:55      134:23      136:199    
 137:242     138:66      139:14      140:35      141:1       142:37     
 143:23      144:23      145:1       146:133     147:25      148:193    
 149:12      150:33      151:12      152:131     153:78      154:29     
 155:51      156:66      157:17      158:35      159:114     160:8      
 161:8       162:28      163:71      164:8       165:11      166:8      
 167:13      168:117     169:4       170:87      171:1       172:3      
 173:8       175:25      176:9       177:6       179:9       180:15     
 181:2       182:4       184:1       185:43      186:3       187:17     
 188:13      189:3       190:10      191:14      192:1122    193:252    
 194:115     195:59      196:153     197:236     198:322     199:150    
 200:270     201:37      202:224     203:213     204:289     205:92     
 206:148     207:112     208:69      209:113     210:98      211:12     
 212:160     213:4       214:8       216:55      217:10      218:20     
 220:4       222:1       223:14     

End of report


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