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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 30 21:30:36 UTC 2024


IPv4 R&E Routing Table Report   21:30 GMT Tue 30 Apr, 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:                                2089
    Prefixes after maximum aggregation (per Origin AS):            1385
    Deaggregation factor:                                          1.51
    Unique aggregates announced (without unneeded subnets):        1600
    Number of IPv4 prefixes with a valid ROA:                       253
    Number of IPv4 prefixes with an invalid ROA:                      3
    Number of IPv4 prefixes with no ROA:                           1833
Total ASes present in the Internet Routing Table:                   307
    Prefixes per ASN:                                              6.80
Origin-only ASes present in the Internet Routing Table:             284
Origin ASes announcing only one prefix:                             134
Transit ASes present in the Internet Routing Table:                  23
Transit-only ASes present in the Internet Routing Table:              4
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:                                      11
    Max AS path prepend of ASN ( 38319)                               9
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:                      44317
Number of 32-bit ASNs visible in the Routing Table:                  97
Prefixes from 32-bit ASNs in the Routing Table:                     201
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:              3
Number of addresses announced to Internet:                     22740800
    Equivalent to 1 /8s, 90 /16s and 255 /24s
    Percentage of available address space announced:                0.6
    Percentage of allocated address space announced:                0.6
    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:          16

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

Prefixes being announced by APNIC Region ASes:                     1767
    Total APNIC prefixes after maximum aggregation:                1127
    APNIC Deaggregation factor:                                    1.57
Prefixes being announced from the APNIC address blocks:            1764
    Unique aggregates announced from the APNIC address blocks:     1306
APNIC Region origin ASes present in the Internet Routing Table:     274
    APNIC Prefixes per ASN:                                        6.44
APNIC Region origin ASes announcing only one prefix:                127
APNIC Region transit ASes present in the Internet Routing Table:     17
Average APNIC Region AS path length visible:                        3.3
    Max APNIC Region AS path length visible:                         11
Number of APNIC region 32-bit ASNs visible in the Routing Table:     95
Number of APNIC addresses announced to Internet:               18742080
    Equivalent to 1 /8s, 29 /16s and 251 /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:                       321
    Total ARIN prefixes after maximum aggregation:                  257
    ARIN Deaggregation factor:                                     1.25
Prefixes being announced from the ARIN address blocks:              321
    Unique aggregates announced from the ARIN address blocks:       291
ARIN Region origin ASes present in the Internet Routing Table:       28
    ARIN Prefixes per ASN:                                        11.46
ARIN Region origin ASes announcing only one prefix:                   6
ARIN Region transit ASes present in the Internet Routing Table:       4
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                           5
Number of ARIN region 32-bit ASNs visible in the Routing Table:       2
Number of ARIN addresses announced to Internet:                 3990272
    Equivalent to 0 /8s, 60 /16s and 227 /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,  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:                         0
    Total RIPE prefixes after maximum aggregation:                    0
    RIPE Deaggregation factor:                                     -nan
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:        0
    RIPE Prefixes per ASN:                                         -nan
RIPE Region origin ASes announcing only one prefix:                   0
RIPE Region transit ASes present in the Internet Routing Table:       0
Average RIPE Region AS path length visible:                        -nan
    Max RIPE Region AS path length visible:                           0
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      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:                       1
    Total LACNIC prefixes after maximum aggregation:                  1
    LACNIC Deaggregation factor:                                   1.00
Prefixes being announced from the LACNIC address blocks:              1
    Unique aggregates announced from the LACNIC address blocks:       1
LACNIC Region origin ASes present in the Internet Routing Table:      1
    LACNIC Prefixes per ASN:                                       1.00
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:                   256
    Equivalent to 0 /8s, 0 /16s and 1 /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:                      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  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
  2907         600       2162     464  SINET-AS Research Organization of Infor
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         135        284      91  AARNET-AS-AP Australian Academic and Re
 23767          29          2       9  A-STAR-AS-AP A-STAR, SG
 23793          29         49      10  AIST National Institute of Advanced Ind
134096          29          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
 24436          23         27      20  UQ-AS-AP University of Queensland, AU
  6262          22        128      17  CSIRO Commonwealth Scientific and Indus
 10148          17         20      17  UNIMELB-AS-AP The University of Melbour
 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         203        648     172  DNIC-AS-00668, US
    37          17         17       5  DNIC-AS-00037, US
   518          13          2       7  DNIC-AS-00518, US
  6360          13         62       9  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

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 - N

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         600       2162     464  SINET-AS Research Organization of Infor
   668         203        648     172  DNIC-AS-00668, US
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         135        284      91  AARNET-AS-AP Australian Academic and Re
 23767          29          2       9  A-STAR-AS-AP A-STAR, SG
 23793          29         49      10  AIST National Institute of Advanced Ind
134096          29          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
 24436          23         27      20  UQ-AS-AP University of Queensland, AU
  6262          22        128      17  CSIRO Commonwealth Scientific and Indus
    37          17         17       5  DNIC-AS-00037, US

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         182          180  KAGAWAU-AS Kagawa University, JP
  7575         135           44  AARNET-AS-AP Australian Academic and Research N
   668         203           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
    37          17           12  DNIC-AS-00037, US
134096          29           11  EHEALTHNSW-AS-AP eHealth NSW, AU
  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

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

Unassigned Network     ASN Information  AS Name
202.46.0.0/20        Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.0.0/20       Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.240.0/20      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.240.0/20     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese
202.46.245.0/24      Origin:    147171  IDNIC-BRIN-AS-ID Badan Riset dan Inovasi
202.46.245.0/24     Transit:     64302  IDNIC-IDREN-AS-ID IDREN - Indonesia Rese

Complete listing at https://bgp.nsrc.org/REN/GOREX/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        /8:0        /9:0       /10:0       /11:0       /12:0       
/13:0       /14:0       /15:2       /16:300     /17:57      /18:48      
/19:51      /20:82      /21:105     /22:161     /23:190     /24:1065    
/25:2       /26:4       /27:2       /28:2       /29:12      /30:3       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
  2907           7         600  SINET-AS Research Organization of Information a
   668           3         203  DNIC-AS-00668, US
 36599           2           3  SOFTETHER-AMERICA, US
 45688           2           7  UT-NSRG The University of Tokyo Interfaculty In
 55909           2           3  KOCHI-CT National Institute of Technology, Koch

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       103:140    
 123:8       128:3       130:6       131:6       132:1       133:157    
 134:6       138:2       140:2       143:4       147:4       150:4      
 152:3       155:1       156:7       157:2       160:26      161:3      
 163:15      167:3       175:7       182:8       192:137     198:20     
 199:32      200:1       202:232     203:158     204:7       205:7      
 206:3       207:3       209:3       210:20      214:8       219:4      


End of report


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