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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Nov 9 21:30:37 UTC 2024


IPv4 R&E Routing Table Report   21:30 GMT Sat 09 Nov, 2024

  IPv4 BGP Table (IX) as seen at GOREX.

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

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

BGP routing table entries examined:                                2150
    Prefixes after maximum aggregation (per Origin AS):            1425
    Deaggregation factor:                                          1.51
    Unique aggregates announced (without unneeded subnets):        1651
    Number of IPv4 prefixes with a valid ROA:                       373
    Number of IPv4 prefixes with an invalid ROA:                     10
    Number of IPv4 prefixes with no ROA:                           1767
Total ASes present in the Internet Routing Table:                   308
    Prefixes per ASN:                                              6.98
Origin-only ASes present in the Internet Routing Table:             286
Origin ASes announcing only one prefix:                             130
Transit ASes present in the Internet Routing Table:                  22
Transit-only ASes present in the Internet Routing Table:              3
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.3
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:                 0
    Number of instances of unregistered ASNs:                         0
Number of 32-bit ASNs allocated by the RIRs:                      45822
Number of 32-bit ASNs visible in the Routing Table:                  95
Prefixes from 32-bit ASNs in the Routing Table:                     202
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:                     22826049
    Equivalent to 1 /8s, 92 /16s and 76 /24s
    Percentage of available address space announced:                0.6
    Percentage of allocated address space announced:                0.5
    Percentage of available address space allocated:              128.7
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:         647

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

Prefixes being announced by APNIC Region ASes:                     1826
    Total APNIC prefixes after maximum aggregation:                1163
    APNIC Deaggregation factor:                                    1.57
Prefixes being announced from the APNIC address blocks:             359
    Unique aggregates announced from the APNIC address blocks:      299
APNIC Region origin ASes present in the Internet Routing Table:     274
    APNIC Prefixes per ASN:                                        1.31
APNIC Region origin ASes announcing only one prefix:                122
APNIC Region transit ASes present in the Internet Routing Table:     15
Average APNIC Region AS path length visible:                        3.3
    Max APNIC Region AS path length visible:                         23
Number of APNIC region 32-bit ASNs visible in the Routing Table:     92
Number of APNIC addresses announced to Internet:                5222464
    Equivalent to 0 /8s, 79 /16s and 176 /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    43/8,  45/8, 146/8, 150/8, 160/8, 163/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                       322
    Total ARIN prefixes after maximum aggregation:                  260
    ARIN Deaggregation factor:                                     1.24
Prefixes being announced from the ARIN address blocks:              178
    Unique aggregates announced from the ARIN address blocks:       154
ARIN Region origin ASes present in the Internet Routing Table:       29
    ARIN Prefixes per ASN:                                         6.14
ARIN Region origin ASes announcing only one prefix:                   6
ARIN Region transit ASes present in the Internet Routing Table:       5
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                           6
Number of ARIN region 32-bit ASNs visible in the Routing Table:       3
Number of ARIN addresses announced to Internet:                  954624
    Equivalent to 0 /8s, 14 /16s and 145 /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     66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8,
                       199/8, 204/8, 205/8, 207/8, 208/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                         1
    Total RIPE prefixes after maximum aggregation:                    1
    RIPE Deaggregation factor:                                     1.00
Prefixes being announced from the RIPE address blocks:                0
    Unique aggregates announced from the RIPE address blocks:         0
RIPE Region origin ASes present in the Internet Routing Table:        1
    RIPE Prefixes per ASN:                                         0.00
RIPE Region origin ASes announcing only one prefix:                   1
RIPE Region transit ASes present in the Internet Routing Table:       0
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                           4
Number of RIPE region 32-bit ASNs visible in the Routing Table:       0
Number of RIPE addresses announced to Internet:                       0
    Equivalent to 0 /8s, 0 /16s and 0 /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    152/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                       1
    Total LACNIC prefixes after maximum aggregation:                  1
    LACNIC Deaggregation factor:                                   1.00
Prefixes being announced from the LACNIC address blocks:              0
    Unique aggregates announced from the LACNIC address blocks:       0
LACNIC Region origin ASes present in the Internet Routing Table:      1
    LACNIC Prefixes per ASN:                                       0.00
LACNIC Region origin ASes announcing only one prefix:                 1
LACNIC Region transit ASes present in the Internet Routing Table:     0
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                         6
Number of LACNIC region 32-bit ASNs visible in the Routing Table:     0
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  128/8, 216/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                      0
    Total AfriNIC prefixes after maximum aggregation:                 0
    AfriNIC Deaggregation factor:                                  -nan
Prefixes being announced from the AfriNIC address blocks:             0
    Unique aggregates announced from the AfriNIC address blocks:      0
AfriNIC Region origin ASes present in the Internet Routing Table:     0
    AfriNIC Prefixes per ASN:                                      -nan
AfriNIC Region origin ASes announcing only one prefix:                0
AfriNIC Region transit ASes present in the Internet Routing Table:    0
Average AfriNIC Region AS path length visible:                     -nan
    Max AfriNIC Region AS path length visible:                        0
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    0
Number of AfriNIC addresses announced to Internet:                    0
    Equivalent to 0 /8s, 0 /16s and 0 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         599       2170     464  SINET-AS Research Organization of Informa
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        329     115  AARNET-AS-AP Australian Academic and Rese
134096          30          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
 23767          29          2       9  A-STAR-AS-AP A-STAR, SG
 23793          29         49      10  AIST National Institute of Advanced Indus
 24436          23         27      20  UQ-AS-AP University of Queensland, AU
  6262          22        128      17  CSIRO Commonwealth Scientific and Industr
 10148          18         20      18  UNIMELB-AS-AP The University of Melbourne
 38142          17          1       1  UNAIR-AS-ID Universitas Airlangga, ID

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         205        648     174  DNIC-AS-00668, US
    37          17         17       5  DNIC-AS-00037, US
   518          13          2       7  DNIC-AS-00518, US
  6360          10         62       8  UNIVHAWAII, US
    13           6         17       6  DNIC-AS-00013, US
    89           6         33       6  DNIC-AS-00089, US
   121           6          2       3  DNIC-AS-00121, US
    22           5         34       5  DNIC-AS-00022, US
    84           5         16       5  DNIC-AS-00084, US
   252           5         17       5  DNIC-AS-00252, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 25152           1          0       1  K-ROOT-SERVER Reseaux IP Europeens Networ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 10906           1          0       1  Nucleo de Inf. e Coord. do Ponto BR - NIC

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         599       2170     464  SINET-AS Research Organization of Informa
   668         205        648     174  DNIC-AS-00668, US
 58647         180         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        329     115  AARNET-AS-AP Australian Academic and Rese
134096          30          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
 23767          29          2       9  A-STAR-AS-AP A-STAR, SG
 23793          29         49      10  AIST National Institute of Advanced Indus
 24436          23         27      20  UQ-AS-AP University of Queensland, AU
  6262          22        128      17  CSIRO Commonwealth Scientific and Industr
 10148          18         20      18  UNIMELB-AS-AP The University of Melbourne

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

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

   ASN  No of nets  Net Savings  Description
 58647         180          178  KAGAWAU-AS Kagawa University, JP
  7575         170           55  AARNET-AS-AP Australian Academic and Research N
   668         205           31  DNIC-AS-00668, US
 23767          29           20  A-STAR-AS-AP A-STAR, SG
 23793          29           19  AIST National Institute of Advanced Industrial 
 38142          17           16  UNAIR-AS-ID Universitas Airlangga, ID
134096          30           12  EHEALTHNSW-AS-AP eHealth NSW, AU
    37          17           12  DNIC-AS-00037, US
  2506          16           10  SUPERCSI NTT WEST CHUGOKU CORPORATION, JP
 55354          12           10  ACEINT-AS-AP Ace Internet Services Pty Ltd, AU

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

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

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:0       /10:0       /11:0       /12:0       
/13:0       /14:0       /15:2       /16:299     /17:56      /18:53      
/19:56      /20:88      /21:107     /22:164     /23:189     /24:1106    
/25:3       /26:4       /27:1       /28:2       /29:13      /30:3       
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 58647         149         180  KAGAWAU-AS Kagawa University, JP
   668          66         205  DNIC-AS-00668, US
  2907          48         599  SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP
  7575          47         170  AARNET-AS-AP Australian Academic and Research Network AARNet, AU
 23767          12          29  A-STAR-AS-AP A-STAR, SG
 23905          10          11  VUW-AS-AP Victoria University of Wellington, NZ
 46049           9           9  UNDIP-AS-ID Universitas Diponegoro, ID
134096           9          30  EHEALTHNSW-AS-AP eHealth NSW, AU
 18148           8           8  FUKUOKA-U Fukuoka University, JP
 46019           8           8  UNIBRAW-AS-ID Universitas Brawijaya, ID

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

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

   6:4        24:2        44:1        45:1        49:4       103:138    
 111:4       123:8       130:9       131:6       132:2       133:154    
 134:7       138:8       140:2       143:4       147:4       150:4      
 152:3       155:4       156:7       157:3       160:26      161:4      
 163:16      167:1       175:11      180:1       182:8       192:140    
 193:1       198:20      199:32      200:1       202:243     203:168    
 204:7       205:7       206:3       207:3       209:3       210:20     
 214:8       219:4      

End of report


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