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

REN Routing Table Report cscora at frr.nsrc.org
Sat Feb 11 20:00:41 UTC 2023


IPv4 R&E Routing Table Report   20:00 GMT Sat 11 Feb, 2023

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

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

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

BGP routing table entries examined:                                5714
    Prefixes after maximum aggregation (per Origin AS):            4134
    Deaggregation factor:                                          1.38
    Unique aggregates announced (without unneeded subnets):        4363
    Number of IPv4 prefixes with a valid ROA:                      2331
    Number of IPv4 prefixes with an invalid ROA:                      1
    Number of IPv4 prefixes with no ROA:                           3382
Total ASes present in the Internet Routing Table:                   975
    Prefixes per ASN:                                              5.86
Origin-only ASes present in the Internet Routing Table:             846
Origin ASes announcing only one prefix:                             435
Transit ASes present in the Internet Routing Table:                 129
Transit-only ASes present in the Internet Routing Table:             17
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.6
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 43066)                               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:                      41191
Number of 32-bit ASNs visible in the Routing Table:                 238
Prefixes from 32-bit ASNs in the Routing Table:                     572
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:              1
Number of addresses announced to Internet:                     79463680
    Equivalent to 4 /8s, 188 /16s and 133 /24s
    Percentage of available address space announced:                2.1
    Percentage of allocated address space announced:                2.1
    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:         883

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

Prefixes being announced by APNIC Region ASes:                     1624
    Total APNIC prefixes after maximum aggregation:                1089
    APNIC Deaggregation factor:                                    1.49
Prefixes being announced from the APNIC address blocks:            1625
    Unique aggregates announced from the APNIC address blocks:     1260
APNIC Region origin ASes present in the Internet Routing Table:     226
    APNIC Prefixes per ASN:                                        7.19
APNIC Region origin ASes announcing only one prefix:                106
APNIC Region transit ASes present in the Internet Routing Table:     12
Average APNIC Region AS path length visible:                        2.7
    Max APNIC Region AS path length visible:                          8
Number of APNIC region 32-bit ASNs visible in the Routing Table:     69
Number of APNIC addresses announced to Internet:               18579200
    Equivalent to 1 /8s, 27 /16s and 127 /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, 131072-151865
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:                       212
    Total ARIN prefixes after maximum aggregation:                  143
    ARIN Deaggregation factor:                                     1.48
Prefixes being announced from the ARIN address blocks:              219
    Unique aggregates announced from the ARIN address blocks:       166
ARIN Region origin ASes present in the Internet Routing Table:       22
    ARIN Prefixes per ASN:                                         9.95
ARIN Region origin ASes announcing only one prefix:                   7
ARIN Region transit ASes present in the Internet Routing Table:       5
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                           7
Number of ARIN region 32-bit ASNs visible in the Routing Table:       2
Number of ARIN addresses announced to Internet:                 2229248
    Equivalent to 0 /8s, 34 /16s and 4 /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:                      3365
    Total RIPE prefixes after maximum aggregation:                 2828
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             3356
    Unique aggregates announced from the RIPE address blocks:      2838
RIPE Region origin ASes present in the Internet Routing Table:      661
    RIPE Prefixes per ASN:                                         5.08
RIPE Region origin ASes announcing only one prefix:                 295
RIPE Region transit ASes present in the Internet Routing Table:      96
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     139
Number of RIPE addresses announced to Internet:                57758720
    Equivalent to 3 /8s, 113 /16s and 84 /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
                       196608-213403
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:                       2
    Total LACNIC prefixes after maximum aggregation:                  2
    LACNIC Deaggregation factor:                                   1.00
Prefixes being announced from the LACNIC address blocks:              2
    Unique aggregates announced from the LACNIC address blocks:       2
LACNIC Region origin ASes present in the Internet Routing Table:      2
    LACNIC Prefixes per ASN:                                       1.00
LACNIC Region origin ASes announcing only one prefix:                 2
LACNIC Region transit ASes present in the Internet Routing Table:     0
Average LACNIC Region AS path length visible:                       5.5
    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:                   512
    Equivalent to 0 /8s, 0 /16s and 2 /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:                    511
    Total AfriNIC prefixes after maximum aggregation:                72
    AfriNIC Deaggregation factor:                                  7.10
Prefixes being announced from the AfriNIC address blocks:           511
    Unique aggregates announced from the AfriNIC address blocks:     96
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     10.87
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:               895744
    Equivalent to 0 /8s, 13 /16s and 171 /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         577       2140     460  SINET-AS Research Organization of Infor
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        329     119  AARNET-AS-AP Australian Academic and Re
 23767          30          3      10  A-STAR-AS-AP A-STAR, SG
134096          27          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
 24436          23         27      19  UQ-AS-AP University of Queensland, AU
  6262          22        128      17  CSIRO Commonwealth Scientific and Indus
 10148          19         20      18  UNIMELB-AS-AP The University of Melbour
 38022          18          3      13  REANNZ-NZ-AP REANNZ National Research a
  2506          16         52       6  SUPERCSI NTT WEST CHUGOKU CORPORATION, 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         101        300      89  DNIC-AS-00668, US
  6360          53         62       7  UNIVHAWAII, US
   518          13          2       7  DNIC-AS-00518, US
    13           5         16       5  DNIC-AS-00013, US
   252           5         17       5  DNIC-AS-00252, US
   687           5         16       5  DNIC-AS-00687, US
395400           4         16       2  UNIVERSITY-GUAM, GU
  5978           3          0       3  DNIC-ASBLK-05800-06055, US
 26100           3          1       3  NOAA-PACIFIC-REGION-CENTER, US
 36599           3          0       2  SOFTETHER-AMERICA, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
   559         114        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  3267          56         63      41  RUNNET, RU

Complete listing at https://bgp.nsrc.org/REN/SingAREN/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
 14650           1          0       1  Nucleo de Inf. e Coord. do Ponto BR - N

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         251         82       3  KENET-AS, KE
327687          44         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37654          10          1       6  RwEdNet-AS, RW
  2561           7          0       5  EUN, EG
 31960           5          1       1  EMUNET, MZ

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         577       2140     460  SINET-AS Research Organization of Infor
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         251         82       3  KENET-AS, KE
   786         186       1775     183  JANET Jisc Services Limited, GB
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         171        329     119  AARNET-AS-AP Australian Academic and Re
   559         114        550     105  SWITCH Peering requests: peering at switch
   668         101        300      89  DNIC-AS-00668, US
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO

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

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

   ASN  No of nets  Net Savings  Description
 36914         251          248  KENET-AS, KE
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  7575         171           52  AARNET-AS-AP Australian Academic and Research N
  6360          53           46  UNIVHAWAII, US
327687          44           41  RENU, UG
327700          34           33  MoRENet, MZ
   680         281           32  DFN Verein zur Foerderung eines Deutschen Forsc
  3208          32           31  ARN, DZ
 37182          31           30  TERNET, TZ
200521          53           29  SEAP-AGE, ES

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/SingAREN/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       /12:3       
/13:2       /14:9       /15:51      /16:906     /17:126     /18:104     
/19:175     /20:242     /21:335     /22:516     /23:517     /24:2728    
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         238         251  KENET-AS, KE
 37182          30          31  TERNET, TZ
200521          30          53  SEAP-AGE, ES
327700          29          34  MoRENet, MZ
  3267          21          56  RUNNET, RU
 31638          21          21  ASN-LEPIDA, IT
  3233          20          30  ICI-ROTLD Romanian National R&D Network, RO
  2614          17          95  ROEDUNET, RO
 28949          15          15  TUSNET-AS 8, Kliment Ohridski St., BG
 60187          14          35  LGFL-AS, GB

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

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

   5:15        6:4        24:2        31:7        41:141      44:4      
  45:12       46:5        49:4        62:9        77:9        78:3      
  79:10       80:17       81:28       82:6        83:6        84:11     
  85:42       86:2        87:1        89:10       91:37       92:2      
  93:4        94:4        95:2       102:14      103:79      109:4      
 123:8       125:1       128:35      129:7       130:5       131:15     
 132:6       133:149     134:7       136:1       137:26      138:8      
 140:5       143:7       145:2       146:1       147:4       148:6      
 150:5       151:2       152:4       153:12      154:6       155:4      
 156:8       157:2       159:1       160:26      161:4       163:19     
 171:1       180:2       185:43      188:13      192:617     193:305    
 194:144     195:65      196:18      197:154     198:3       199:16     
 200:2       202:221     203:166     204:1       205:4       206:3      
 207:1       210:3       212:42      213:5       214:3       217:11     
 219:5      

End of report


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