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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Nov 16 21:21:12 UTC 2023


IPv4 R&E Routing Table Report   21:20 GMT Thu 16 Nov, 2023

  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:                               14704
    Prefixes after maximum aggregation (per Origin AS):            7994
    Deaggregation factor:                                          1.84
    Unique aggregates announced (without unneeded subnets):        9068
    Number of IPv4 prefixes with a valid ROA:                      4473
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          10231
Total ASes present in the Internet Routing Table:                  2088
    Prefixes per ASN:                                              7.04
Origin-only ASes present in the Internet Routing Table:            1767
Origin ASes announcing only one prefix:                             790
Transit ASes present in the Internet Routing Table:                 321
Transit-only ASes present in the Internet Routing Table:             73
Paths with bogon ASNs present in the IPv4 Routing Table:             12
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:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      43052
Number of 32-bit ASNs visible in the Routing Table:                 479
Prefixes from 32-bit ASNs in the Routing Table:                    1517
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              0
Number of addresses announced to Internet:                    157990468
    Equivalent to 9 /8s, 106 /16s and 190 /24s
    Percentage of available address space announced:                4.3
    Percentage of allocated address space announced:                4.3
    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:        1872

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

Prefixes being announced by APNIC Region ASes:                     3298
    Total APNIC prefixes after maximum aggregation:                1484
    APNIC Deaggregation factor:                                    2.22
Prefixes being announced from the APNIC address blocks:            3299
    Unique aggregates announced from the APNIC address blocks:     1690
APNIC Region origin ASes present in the Internet Routing Table:     362
    APNIC Prefixes per ASN:                                        9.11
APNIC Region origin ASes announcing only one prefix:                156
APNIC Region transit ASes present in the Internet Routing Table:     50
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    151
Number of APNIC addresses announced to Internet:               31317548
    Equivalent to 1 /8s, 221 /16s and 222 /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:                      5670
    Total ARIN prefixes after maximum aggregation:                 3070
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:             5687
    Unique aggregates announced from the ARIN address blocks:      3560
ARIN Region origin ASes present in the Internet Routing Table:      846
    ARIN Prefixes per ASN:                                         6.72
ARIN Region origin ASes announcing only one prefix:                 295
ARIN Region transit ASes present in the Internet Routing Table:     129
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:     125
Number of ARIN addresses announced to Internet:                64311144
    Equivalent to 3 /8s, 213 /16s and 79 /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:                      3350
    Total RIPE prefixes after maximum aggregation:                 2657
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3337
    Unique aggregates announced from the RIPE address blocks:      2710
RIPE Region origin ASes present in the Internet Routing Table:      609
    RIPE Prefixes per ASN:                                         5.48
RIPE Region origin ASes announcing only one prefix:                 263
RIPE Region transit ASes present in the Internet Routing Table:      92
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:                55770624
    Equivalent to 3 /8s, 82 /16s and 254 /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:                    1430
    Total LACNIC prefixes after maximum aggregation:                565
    LACNIC Deaggregation factor:                                   2.53
Prefixes being announced from the LACNIC address blocks:           1428
    Unique aggregates announced from the LACNIC address blocks:     752
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.87
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    25
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:               4137392
    Equivalent to 0 /8s, 63 /16s and 33 /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:                    953
    Total AfriNIC prefixes after maximum aggregation:               215
    AfriNIC Deaggregation factor:                                  4.43
Prefixes being announced from the AfriNIC address blocks:           953
    Unique aggregates announced from the AfriNIC address blocks:    356
AfriNIC Region origin ASes present in the Internet Routing Table:    35
    AfriNIC Prefixes per ASN:                                     27.23
AfriNIC Region origin ASes announcing only one prefix:               14
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2453760
    Equivalent to 0 /8s, 37 /16s and 113 /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         437        180      23  CSTNET-AS-AP Computer Network Informati
  7575         350        330     125  AARNET-AS-AP Australian Academic and Re
  1237         200         74     142  KREONET-AS-KR KISTI, KR
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         127         19      17  NKN-CORE-NW NKN Core Network, IN
  4762          70          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 24313          70         16       1  NSW-DET-AS NSW Department of Education,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  2697          58          4      34  ERX-ERNET-AS Education and Research Net
  1659          51       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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
   376         202        178     151  RISQ-AS, CA
  5786         197         16       1  UPRENET, PR
  2152         171        507      92  CSUNET-NW, US
 18558         141         18       4  NETBLK-RCOEK, US
    81         127        521      30  NCREN, US
     1         124          2      46  LVLT-1, US
   270         118        329      82  AS270, US
 23024         112          7      19  OCDE, US
  2920         111         34       9  LACOE, US
 32440         111         35      18  LONI, 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       1903     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         159         24       5  ISU Internet Services Unit ISU, SA
   559         113        533     105  SWITCH Peering requests: peering at switch
  1103          94       1502      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          94         27      74  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          76        462      76  BELWUE BelWue-Koordination, DE
  3267          69         69      51  RUNNET, RU
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol

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         250        176      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104          8      49  Red Universitaria Nacional, CL
271640          68          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
  4270          50         17       3  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          35          4       3  Universidad Autonoma Metropolitana, MX
  1251          33         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         381        319      71  TENET-1, ZA
 36914         232         73      27  KENET-AS, KE
327687         111          9      41  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          11          1       6  RwEdNet-AS, RW
 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         437        180      23  CSTNET-AS-AP Computer Network Informati
  2018         381        319      71  TENET-1, ZA
  7575         350        330     125  AARNET-AS-AP Australian Academic and Re
   680         283       1903     249  DFN Verein zur Foerderung eines Deutsch
  1916         250        176      43  Rede Nacional de Ensino e Pesquisa, BR
 36914         232         73      27  KENET-AS, KE
   376         202        178     151  RISQ-AS, CA
  1237         200         74     142  KREONET-AS-KR KISTI, KR
  5786         197         16       1  UPRENET, PR
   786         185       1767     182  JANET Jisc Services Limited, GB

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         381          310  TENET-1, ZA
  7575         350          225  AARNET-AS-AP Australian Academic and Research N
  1916         250          207  Rede Nacional de Ensino e Pesquisa, BR
 36914         232          205  KENET-AS, KE
  5786         197          196  UPRENET, PR
  8895         159          154  ISU Internet Services Unit ISU, SA
 18558         141          137  NETBLK-RCOEK, US
 55824         127          110  NKN-CORE-NW NKN Core Network, IN
  2920         111          102  LACOE, US
    81         127           97  NCREN, 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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, 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      /15:115     /16:1455    /17:343     /18:343     
/19:406     /20:646     /21:666     /22:1088    /23:1183    /24:7990    
/25:82      /26:56      /27:134     /28:36      /29:76      /30:16      
/31:5       /32:7       

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

   ASN  No of nets  Total ann.  Description
 36914         223         232  KENET-AS, KE
  8895         154         159  ISU Internet Services Unit ISU, SA
 32440          81         111  LONI, US
 23024          52         112  OCDE, US
     1          42         124  LVLT-1, US
  1916          40         250  Rede Nacional de Ensino e Pesquisa, BR
327700          36          41  MoRENet, MZ
200521          33          56  SEAP-AGE, ES
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          30          44  HCCS, 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        8:2        14:89       23:5      
  24:1        31:7        35:2        38:7        41:115      42:10     
  44:5        45:29       46:5        47:1        49:9        50:4      
  58:1        59:3        60:5        61:2        62:11       63:3      
  64:21       65:1        66:19       67:41       68:4        69:13     
  70:2        72:5        74:12       76:41       77:9        78:2      
  79:10       80:13       81:24       82:7        83:5        84:7      
  85:22       86:4        87:1        89:9        91:42       92:2      
  93:3        94:4        95:2        96:5        97:1        98:2      
 101:2       102:28      103:192     104:75      108:2       109:7      
 111:1       113:1       114:23      116:6       117:61      119:18     
 121:9       122:8       123:8       124:40      125:4       128:64     
 129:38      130:86      131:37      132:53      134:45      136:197    
 137:255     138:19      139:13      140:30      141:1       142:36     
 143:22      144:23      145:1       146:130     147:26      148:192    
 149:11      150:42      151:12      152:131     153:78      154:30     
 155:52      156:64      157:16      158:33      159:114     160:8      
 161:10      162:26      163:66      164:7       165:49      166:1      
 167:13      168:119     169:4       170:66      171:1       172:3      
 173:7       175:18      176:8       177:6       179:9       180:15     
 181:1       182:4       185:48      186:3       187:17      188:13     
 189:4       190:9       191:13      192:1065    193:277     194:113    
 195:56      196:158     197:148     198:293     199:110     200:309    
 201:38      202:284     203:313     204:281     205:89      206:142    
 207:110     208:69      209:108     210:193     211:14      212:156    
 213:5       216:44      217:9       218:22      220:16      222:2      
 223:14     

End of report


More information about the ren-bgp-stats-all mailing list