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

REN Routing Table Report cscora at frr.nsrc.org
Tue Feb 7 22:15:37 UTC 2023


IPv4 R&E Routing Table Report   22:15 GMT Tue 07 Feb, 2023

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

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

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

BGP routing table entries examined:                               18649
    Prefixes after maximum aggregation (per Origin AS):           10498
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11708
    Number of IPv4 prefixes with a valid ROA:                      4491
    Number of IPv4 prefixes with an invalid ROA:                     67
    Number of IPv4 prefixes with no ROA:                          14091
Total ASes present in the Internet Routing Table:                  2769
    Prefixes per ASN:                                              6.73
Origin-only ASes present in the Internet Routing Table:            2396
Origin ASes announcing only one prefix:                            1051
Transit ASes present in the Internet Routing Table:                 373
Transit-only ASes present in the Internet Routing Table:             63
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41201
Number of 32-bit ASNs visible in the Routing Table:                 642
Prefixes from 32-bit ASNs in the Routing Table:                    1795
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:              2
Number of addresses announced to Internet:                    202407048
    Equivalent to 12 /8s, 16 /16s and 124 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2248

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

Prefixes being announced by APNIC Region ASes:                     4729
    Total APNIC prefixes after maximum aggregation:                2306
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4730
    Unique aggregates announced from the APNIC address blocks:     2639
APNIC Region origin ASes present in the Internet Routing Table:     580
    APNIC Prefixes per ASN:                                        8.16
APNIC Region origin ASes announcing only one prefix:                245
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               45827648
    Equivalent to 2 /8s, 187 /16s and 70 /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:                      7933
    Total ARIN prefixes after maximum aggregation:                 4579
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7952
    Unique aggregates announced from the ARIN address blocks:      5111
ARIN Region origin ASes present in the Internet Routing Table:     1236
    ARIN Prefixes per ASN:                                         6.43
ARIN Region origin ASes announcing only one prefix:                 429
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     188
Number of ARIN addresses announced to Internet:                91958848
    Equivalent to 5 /8s, 123 /16s and 46 /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:                      3586
    Total RIPE prefixes after maximum aggregation:                 2840
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3574
    Unique aggregates announced from the RIPE address blocks:      2892
RIPE Region origin ASes present in the Internet Routing Table:      682
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     142
Number of RIPE addresses announced to Internet:                57921280
    Equivalent to 3 /8s, 115 /16s and 207 /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:                    1394
    Total LACNIC prefixes after maximum aggregation:                564
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1391
    Unique aggregates announced from the LACNIC address blocks:     779
LACNIC Region origin ASes present in the Internet Routing Table:    152
    LACNIC Prefixes per ASN:                                       9.15
LACNIC Region origin ASes announcing only one prefix:                53
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        10
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    61
Number of LACNIC addresses announced to Internet:               4046600
    Equivalent to 0 /8s, 61 /16s and 191 /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:                   1001
    Total AfriNIC prefixes after maximum aggregation:               203
    AfriNIC Deaggregation factor:                                  4.93
Prefixes being announced from the AfriNIC address blocks:          1000
    Unique aggregates announced from the AfriNIC address blocks:    285
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     19.61
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.4
    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:              2651904
    Equivalent to 0 /8s, 40 /16s and 119 /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         595       2157     463  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  1237         188         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
  4621          70         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         153        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440          93         18      16  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          87         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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
  8895         176         24       4  ISU Internet Services Unit ISU, SA
   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

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      46  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 61468          46          3      14  CEDIA, EC
  4270          45         16       1  Red de Interconexion Universitaria, AR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         366        319      67  TENET-1, ZA
 36914         250         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          47         48      18  PUKNET, ZA
327687          44         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
327700          29         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         595       2157     463  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         366        319      67  TENET-1, ZA
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         250         82       3  KENET-AS, KE
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  1237         188         74     134  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR

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

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

   ASN  No of nets  Net Savings  Description
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         366          299  TENET-1, ZA
 36914         250          247  KENET-AS, KE
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
 55824         119          107  NKN-CORE-NW NKN Core Network, IN
  2920         109          102  LACOE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65248  PRIVATE      134.171.169.0/24         11340  Red Universitaria Nacional, 
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     27750  Cooperacion Latino Americana de Redes Av
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/RedCLARA/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        /9:1       /10:2       /11:1       /12:10      
/13:18      /14:35      /15:121     /16:1969    /17:413     /18:432     
/19:564     /20:860     /21:842     /22:1462    /23:1542    /24:10115   
/25:85      /26:58      /27:89      /28:8       /29:12      /30:7       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 36914         237         250  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          78          93  LONI, US
 23024          52         113  OCDE, US
 18632          34          65  VOLCANO-VISION, US
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
 37182          30          31  TERNET, TZ

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

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

   1:2         5:15        8:2        12:1        14:89       23:9      
  24:3        31:7        35:6        38:9        40:1        41:138    
  42:10       44:5        45:34       46:5        47:1        49:10     
  50:4        52:1        58:1        59:20       60:4        61:3      
  62:10       63:37       64:58       65:5        66:47       67:44     
  68:8        69:21       70:2        71:1        72:7        74:50     
  76:38       77:9        78:3        79:10       80:17       81:28     
  82:6        83:6        84:8        85:42       86:5        87:1      
  89:10       91:47       92:2        93:4        94:4        95:2      
  96:5        97:2        98:2       101:6       102:14      103:311    
 104:77      107:16      108:8       109:9       110:2       111:16     
 114:23      116:6       117:61      118:32      119:22      121:27     
 122:8       123:8       124:39      125:4       128:86      129:42     
 130:88      131:62      132:63      133:149     134:97      136:199    
 137:79      138:9       139:6       140:42      141:1       142:39     
 143:30      144:23      145:2       146:133     147:56      148:199    
 149:12      150:130     151:7       152:78      153:14      154:29     
 155:52      156:68      157:29      158:36      159:115     160:27     
 161:19      162:21      163:74      164:10      165:51      166:1      
 167:12      168:124     169:10      170:75      171:1       172:3      
 173:7       175:31      176:8       177:9       179:9       180:17     
 181:1       182:1       184:3       185:47      186:3       187:19     
 188:13      189:3       190:15      191:36      192:1424    193:336    
 194:132     195:80      196:156     197:153     198:490     199:251    
 200:220     201:35      202:630     203:426     204:346     205:126    
 206:192     207:167     208:69      209:118     210:185     211:18     
 212:169     213:5       216:88      217:10      218:22      219:6      
 220:17      222:5       223:4      

End of report


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