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

REN Routing Table Report cscora at frr.nsrc.org
Tue Jan 3 20:00:38 UTC 2023


IPv4 R&E Routing Table Report   20:00 GMT Tue 03 Jan, 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:                                7764
    Prefixes after maximum aggregation (per Origin AS):            5306
    Deaggregation factor:                                          1.46
    Unique aggregates announced (without unneeded subnets):        5832
    Number of IPv4 prefixes with a valid ROA:                      2640
    Number of IPv4 prefixes with an invalid ROA:                      7
    Number of IPv4 prefixes with no ROA:                           5117
Total ASes present in the Internet Routing Table:                  1513
    Prefixes per ASN:                                              5.13
Origin-only ASes present in the Internet Routing Table:            1258
Origin ASes announcing only one prefix:                             644
Transit ASes present in the Internet Routing Table:                 255
Transit-only ASes present in the Internet Routing Table:             84
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      13
    Max AS path prepend of ASN ( 20537)                               9
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      41005
Number of 32-bit ASNs visible in the Routing Table:                 347
Prefixes from 32-bit ASNs in the Routing Table:                     897
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:                     91590144
    Equivalent to 5 /8s, 117 /16s and 142 /24s
    Percentage of available address space announced:                2.5
    Percentage of allocated address space announced:                2.5
    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:        1211

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

Prefixes being announced by APNIC Region ASes:                     1635
    Total APNIC prefixes after maximum aggregation:                1097
    APNIC Deaggregation factor:                                    1.49
Prefixes being announced from the APNIC address blocks:            1636
    Unique aggregates announced from the APNIC address blocks:     1271
APNIC Region origin ASes present in the Internet Routing Table:     230
    APNIC Prefixes per ASN:                                        7.11
APNIC Region origin ASes announcing only one prefix:                106
APNIC Region transit ASes present in the Internet Routing Table:     16
Average APNIC Region AS path length visible:                        2.7
    Max APNIC Region AS path length visible:                          9
Number of APNIC region 32-bit ASNs visible in the Routing Table:     70
Number of APNIC addresses announced to Internet:               18583808
    Equivalent to 1 /8s, 27 /16s and 145 /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:                      1593
    Total ARIN prefixes after maximum aggregation:                  971
    ARIN Deaggregation factor:                                     1.64
Prefixes being announced from the ARIN address blocks:             1601
    Unique aggregates announced from the ARIN address blocks:      1191
ARIN Region origin ASes present in the Internet Routing Table:      402
    ARIN Prefixes per ASN:                                         3.98
ARIN Region origin ASes announcing only one prefix:                 184
ARIN Region transit ASes present in the Internet Routing Table:      95
Average ARIN Region AS path length visible:                         5.5
    Max ARIN Region AS path length visible:                          11
Number of ARIN region 32-bit ASNs visible in the Routing Table:      78
Number of ARIN addresses announced to Internet:                12550144
    Equivalent to 0 /8s, 191 /16s and 128 /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:                      3391
    Total RIPE prefixes after maximum aggregation:                 2837
    RIPE Deaggregation factor:                                     1.20
Prefixes being announced from the RIPE address blocks:             3383
    Unique aggregates announced from the RIPE address blocks:      2854
RIPE Region origin ASes present in the Internet Routing Table:      661
    RIPE Prefixes per ASN:                                         5.12
RIPE Region origin ASes announcing only one prefix:                 290
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:     137
Number of RIPE addresses announced to Internet:                57761024
    Equivalent to 3 /8s, 113 /16s and 93 /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:                     490
    Total LACNIC prefixes after maximum aggregation:                228
    LACNIC Deaggregation factor:                                   2.15
Prefixes being announced from the LACNIC address blocks:            489
    Unique aggregates announced from the LACNIC address blocks:     276
LACNIC Region origin ASes present in the Internet Routing Table:     87
    LACNIC Prefixes per ASN:                                       5.62
LACNIC Region origin ASes announcing only one prefix:                39
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       6.3
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    35
Number of LACNIC addresses announced to Internet:               1537280
    Equivalent to 0 /8s, 23 /16s and 117 /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:                    654
    Total AfriNIC prefixes after maximum aggregation:               172
    AfriNIC Deaggregation factor:                                  3.80
Prefixes being announced from the AfriNIC address blocks:           654
    Unique aggregates announced from the AfriNIC address blocks:    239
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     13.62
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:                      4.4
    Max AfriNIC Region AS path length visible:                       12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              1157632
    Equivalent to 0 /8s, 17 /16s and 170 /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         575       2140     460  SINET-AS Research Organization of Infor
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        329     118  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
  6325          64        169      13  ILLINOIS-CENTURY, US
  6360          53         62       7  UNIVHAWAII, US
 18558          45          4      28  NETBLK-RCOEK, US
 25977          44         10      15  HCCS, US
 46115          34          2       2  LUTHER, US
   271          32         23      28  BCNET-AS, CA
  5786          30          2      23  UPRENET, PR
  3450          27         29       4  UTK, US
   376          26          3      26  RISQ-AS, CA
  3477          26         21      10  NOAA-NWAVE, 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         284       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          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
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          43         16       1  Red de Interconexion Universitaria, AR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
  3596          33          2       2  Universidad Autonoma Metropolitana, MX
  1916          31         75      23  Rede Nacional de Ensino e Pesquisa, BR
271640          27          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 21612          25         16       1  FUNDACAO INSTITUTO OSWALDO CRUZ, BR
 28609          17          1       2  Instituto Nupef, BR
 11340          15          1      14  Red Universitaria Nacional, CL
262742          14          2       1  Fundacao Universidade Federal do ABC - 

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         239         82       3  KENET-AS, KE
  2018         106         55      69  TENET-1, ZA
  2561          67          4      34  EUN, EG
327687          41         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
327700          27         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37654          10          1       6  RwEdNet-AS, RW

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         575       2140     460  SINET-AS Research Organization of Infor
   680         284       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         239         82       3  KENET-AS, KE
   786         186       1775     183  JANET Jisc Services Limited, GB
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         170        329     118  AARNET-AS-AP Australian Academic and Re
   559         115        550     106  SWITCH Peering requests: peering at switch
  2018         106         55      69  TENET-1, ZA
  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         239          236  KENET-AS, KE
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  7575         170           52  AARNET-AS-AP Australian Academic and Research N
  6325          64           51  ILLINOIS-CENTURY, US
  6360          53           46  UNIVHAWAII, US
  4270          43           42  Red de Interconexion Universitaria, AR
327687          41           38  RENU, UG
  2018         106           37  TENET-1, ZA
   680         284           35  DFN Verein zur Foerderung eines Deutschen Forsc
  2561          67           33  EUN, EG

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

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

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       /15:52      /16:1048    /17:201     /18:190     
/19:239     /20:304     /21:409     /22:634     /23:674     /24:3999    
/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         226         239  KENET-AS, KE
 46115          32          34  LUTHER, US
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 37182          30          31  TERNET, TZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          25          27  MoRENet, MZ
  3267          21          56  RUNNET, RU
 31638          21          21  ASN-LEPIDA, IT
  3233          20          30  ICI-ROTLD Romanian National R&D Network, RO

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

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

   5:15       12:1        23:1        24:2        31:7        35:3      
  38:3        40:1        41:136      44:4        45:13       46:5      
  49:4        62:9        63:2        64:21       66:10       67:38     
  69:6        74:39       76:4        77:9        78:3        79:10     
  80:17       81:28       82:7        83:6        84:8        85:42     
  86:2        87:1        89:10       91:41       92:1        93:4      
  94:4        95:4        97:2        98:2       102:11      103:79     
 104:7       108:1       109:5       123:8       125:1       128:46     
 129:23      130:7       131:33      132:13      133:149     134:12     
 136:32      137:27      138:9       139:2       140:9       141:1      
 142:4       143:10      144:1       145:2       146:16      147:8      
 148:41      149:4       150:21      151:2       152:46      153:12     
 154:13      155:15      156:10      157:18      158:1       159:6      
 160:25      161:4       162:5       163:21      164:2       165:1      
 166:1       167:9       168:49      169:2       170:49      171:1      
 172:2       173:1       177:7       179:5       180:2       181:1      
 185:43      186:2       187:2       188:13      189:3       190:2      
 191:26      192:760     193:343     194:145     195:87      196:61     
 197:144     198:87      199:51      200:66      201:17      202:223    
 203:171     204:99      205:30      206:39      207:31      208:28     
 209:18      210:3       212:57      213:5       216:10      217:11     
 219:5      

End of report


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