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

REN Routing Table Report cscora at frr.nsrc.org
Sun Dec 4 20:00:36 UTC 2022


IPv4 R&E Routing Table Report   20:00 GMT Sun 04 Dec, 2022

  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:                                6182
    Prefixes after maximum aggregation (per Origin AS):            4414
    Deaggregation factor:                                          1.40
    Unique aggregates announced (without unneeded subnets):        4714
    Number of IPv4 prefixes with a valid ROA:                      2446
    Number of IPv4 prefixes with an invalid ROA:                      7
    Number of IPv4 prefixes with no ROA:                           3729
Total ASes present in the Internet Routing Table:                  1136
    Prefixes per ASN:                                              5.44
Origin-only ASes present in the Internet Routing Table:             956
Origin ASes announcing only one prefix:                             485
Transit ASes present in the Internet Routing Table:                 180
Transit-only ASes present in the Internet Routing Table:             55
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      13
    Max AS path prepend of ASN ( 20537)                               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:                      40795
Number of 32-bit ASNs visible in the Routing Table:                 265
Prefixes from 32-bit ASNs in the Routing Table:                     673
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                     80849920
    Equivalent to 4 /8s, 209 /16s and 172 /24s
    Percentage of available address space announced:                2.2
    Percentage of allocated address space announced:                2.2
    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:         939

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

Prefixes being announced by APNIC Region ASes:                     1613
    Total APNIC prefixes after maximum aggregation:                1085
    APNIC Deaggregation factor:                                    1.49
Prefixes being announced from the APNIC address blocks:            1614
    Unique aggregates announced from the APNIC address blocks:     1252
APNIC Region origin ASes present in the Internet Routing Table:     227
    APNIC Prefixes per ASN:                                        7.11
APNIC Region origin ASes announcing only one prefix:                105
APNIC Region transit ASes present in the Internet Routing Table:     15
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:               18576896
    Equivalent to 1 /8s, 27 /16s and 118 /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:                       432
    Total ARIN prefixes after maximum aggregation:                  244
    ARIN Deaggregation factor:                                     1.77
Prefixes being announced from the ARIN address blocks:              439
    Unique aggregates announced from the ARIN address blocks:       295
ARIN Region origin ASes present in the Internet Routing Table:      101
    ARIN Prefixes per ASN:                                         4.35
ARIN Region origin ASes announcing only one prefix:                  52
ARIN Region transit ASes present in the Internet Routing Table:      35
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          10
Number of ARIN region 32-bit ASNs visible in the Routing Table:      17
Number of ARIN addresses announced to Internet:                 2909184
    Equivalent to 0 /8s, 44 /16s and 100 /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:                      3374
    Total RIPE prefixes after maximum aggregation:                 2829
    RIPE Deaggregation factor:                                     1.19
Prefixes being announced from the RIPE address blocks:             3364
    Unique aggregates announced from the RIPE address blocks:      2841
RIPE Region origin ASes present in the Internet Routing Table:      658
    RIPE Prefixes per ASN:                                         5.11
RIPE Region origin ASes announcing only one prefix:                 289
RIPE Region transit ASes present in the Internet Routing Table:      95
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:                57739776
    Equivalent to 3 /8s, 113 /16s and 10 /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:                     222
    Total LACNIC prefixes after maximum aggregation:                136
    LACNIC Deaggregation factor:                                   1.63
Prefixes being announced from the LACNIC address blocks:            222
    Unique aggregates announced from the LACNIC address blocks:     173
LACNIC Region origin ASes present in the Internet Routing Table:     48
    LACNIC Prefixes per ASN:                                       4.62
LACNIC Region origin ASes announcing only one prefix:                14
LACNIC Region transit ASes present in the Internet Routing Table:    10
Average LACNIC Region AS path length visible:                       6.5
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    15
Number of LACNIC addresses announced to Internet:                485120
    Equivalent to 0 /8s, 7 /16s and 103 /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:                    541
    Total AfriNIC prefixes after maximum aggregation:               120
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:           541
    Unique aggregates announced from the AfriNIC address blocks:    151
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     11.51
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              1138432
    Equivalent to 0 /8s, 17 /16s and 95 /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         564       2139     455  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
  6262          22        128      17  CSIRO Commonwealth Scientific and Indus
 24436          22         27      18  UQ-AS-AP University of Queensland, AU
 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
  6325          64        169      13  ILLINOIS-CENTURY, US
  6360          54         62       7  UNIVHAWAII, US
   271          30         24      26  BCNET-AS, CA
 16580          19          2      15  ATHABASCA-U, CA
 11293          16          9      11  UCOP-ASN, US
   819          12          1       6  LARG-NET, CA
 17207          12          2       8  COLOR-COLL, US
 30045          11          1       5  UHN-ASN, CA
394534           9         16       1  CITYOFCHICAGO-ASN-01, US
 19350           8          1       5  CENTENNIALCOLLEGE, CA

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       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      87  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          57         63      42  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
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
 27790          17          1       1  Universidad Nacional de Cordoba, AR
  3597          16          2      12  Fundacion InnovaT, AR
 11340          14          1      12  Red Universitaria Nacional, CL
   278          12          1      10  Universidad Nacional Autonoma de Mexico
 52314          10          1       3  Universidad Nacional del Noroeste de Bu
 20191           8         16       1  Pontificia Universidad Catolica de Chil
 27817           8          2       2  Red Nacional Academica de Tecnologia Av
 27875           8          2       8  Universidad Nacional de Cuyo, AR
 23140           6          2       6  Universidad de Chile, CL

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         241         82       3  KENET-AS, KE
  2018          71         52      49  TENET-1, ZA
327687          41         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
 37182          33          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
 37215           6          8       1  MAREN, MW

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         564       2139     455  SINET-AS Research Organization of Infor
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         241         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         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT

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         241          238  KENET-AS, KE
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  7575         171           52  AARNET-AS-AP Australian Academic and Research N
  6325          64           51  ILLINOIS-CENTURY, US
  6360          54           47  UNIVHAWAII, US
327687          41           38  RENU, UG
327700          34           33  MoRENet, MZ
   680         281           32  DFN Verein zur Foerderung eines Deutschen Forsc
 37182          33           32  TERNET, TZ
200521          53           29  SEAP-AGE, ES

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     23855  SINGAREN-GIX-AS-AP Singapore Advanced Re

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      /16:921     /17:153     /18:134     
/19:180     /20:244     /21:353     /22:546     /23:543     /24:3043    
/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         228         241  KENET-AS, KE
 37182          32          33  TERNET, TZ
200521          30          53  SEAP-AGE, ES
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          29          34  MoRENet, MZ
  3267          22          57  RUNNET, RU
 31638          21          21  ASN-LEPIDA, IT
  3233          19          29  ICI-ROTLD Romanian National R&D Network, RO
  2614          17          95  ROEDUNET, RO
 28949          15          15  TUSNET-AS 8, Kliment Ohridski St., BG

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

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

   5:15       24:2        31:7        37:1        38:1        41:142    
  44:4        45:14       46:5        49:4        62:9        66:1      
  67:1        74:1        76:2        77:9        78:3        79:10     
  80:17       81:28       82:8        83:6        84:8        85:41     
  86:3        87:1        88:1        89:10       91:38       92:1      
  93:4        94:4        95:4       102:9       103:79      109:6      
 123:8       125:1       128:40      129:9       130:6       131:30     
 132:16      133:146     134:6       136:7       137:24      138:8      
 139:1       140:5       142:2       143:10      145:2       146:20     
 147:4       148:6       150:5       151:2       152:4       153:12     
 154:8       155:5       156:8       157:2       159:2       160:25     
 161:4       162:4       163:19      167:9       168:33      170:16     
 171:1       179:4       180:2       185:43      188:13      190:3      
 191:25      192:641     193:274     194:145     195:66      196:46     
 197:146     198:36      199:31      200:51      201:1       202:219    
 203:164     204:10      205:18      206:5       207:7       208:7      
 209:9       210:3       212:44      213:5       217:11      219:5      


End of report


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