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

REN Routing Table Report cscora at frr.nsrc.org
Thu Mar 23 22:10:42 UTC 2023


IPv4 R&E Routing Table Report   22:10 GMT Thu 23 Mar, 2023

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

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

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

BGP routing table entries examined:                               25020
    Prefixes after maximum aggregation (per Origin AS):           12365
    Deaggregation factor:                                          2.02
    Unique aggregates announced (without unneeded subnets):       14011
    Number of IPv4 prefixes with a valid ROA:                     10807
    Number of IPv4 prefixes with an invalid ROA:                    183
    Number of IPv4 prefixes with no ROA:                          14030
Total ASes present in the Internet Routing Table:                  2770
    Prefixes per ASN:                                              9.03
Origin-only ASes present in the Internet Routing Table:            2385
Origin ASes announcing only one prefix:                            1055
Transit ASes present in the Internet Routing Table:                 385
Transit-only ASes present in the Internet Routing Table:             67
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      41505
Number of 32-bit ASNs visible in the Routing Table:                 647
Prefixes from 32-bit ASNs in the Routing Table:                    4466
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:              4
Number of addresses announced to Internet:                    243125074
    Equivalent to 14 /8s, 125 /16s and 203 /24s
    Percentage of available address space announced:                6.6
    Percentage of allocated address space announced:                6.6
    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:        3325

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

Prefixes being announced by APNIC Region ASes:                     4728
    Total APNIC prefixes after maximum aggregation:                2314
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4773
    Unique aggregates announced from the APNIC address blocks:     2688
APNIC Region origin ASes present in the Internet Routing Table:     578
    APNIC Prefixes per ASN:                                        8.26
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.7
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    225
Number of APNIC addresses announced to Internet:               45838144
    Equivalent to 2 /8s, 187 /16s and 111 /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:                     14119
    Total ARIN prefixes after maximum aggregation:                 6319
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:            13928
    Unique aggregates announced from the ARIN address blocks:      7119
ARIN Region origin ASes present in the Internet Routing Table:     1226
    ARIN Prefixes per ASN:                                        11.36
ARIN Region origin ASes announcing only one prefix:                 424
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     188
Number of ARIN addresses announced to Internet:               132612289
    Equivalent to 7 /8s, 231 /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:                      3614
    Total RIPE prefixes after maximum aggregation:                 2874
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3759
    Unique aggregates announced from the RIPE address blocks:      3084
RIPE Region origin ASes present in the Internet Routing Table:      686
    RIPE Prefixes per ASN:                                         5.48
RIPE Region origin ASes announcing only one prefix:                 307
RIPE Region transit ASes present in the Internet Routing Table:     101
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     144
Number of RIPE addresses announced to Internet:                58006784
    Equivalent to 3 /8s, 117 /16s and 29 /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:                    1591
    Total LACNIC prefixes after maximum aggregation:                678
    LACNIC Deaggregation factor:                                   2.35
Prefixes being announced from the LACNIC address blocks:           1594
    Unique aggregates announced from the LACNIC address blocks:     887
LACNIC Region origin ASes present in the Internet Routing Table:    158
    LACNIC Prefixes per ASN:                                      10.09
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4029265
    Equivalent to 0 /8s, 61 /16s and 123 /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:                    963
    Total AfriNIC prefixes after maximum aggregation:               175
    AfriNIC Deaggregation factor:                                  5.50
Prefixes being announced from the AfriNIC address blocks:           962
    Unique aggregates announced from the AfriNIC address blocks:    229
AfriNIC Region origin ASes present in the Internet Routing Table:    51
    AfriNIC Prefixes per ASN:                                     18.86
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2637312
    Equivalent to 0 /8s, 40 /16s and 62 /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         605       2157     464  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  1237         192         74     139  KREONET-AS-KR KISTI, KR
 58647         178         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re
  4538         130       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         118         18      11  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/CEDIA/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2622       3588     355  GOOGLE-CLOUD-PLATFORM, US
 16509        1985       1635     782  AMAZON-02, US
 15169         797       2254      63  GOOGLE, US
 14618         756       3994     558  AMAZON-AES, US
  5786         199         16       1  UPRENET, PR
   376         198        178     148  RISQ-AS, CA
  2152         150        507      92  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
   270         120        329      85  AS270, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         174         24       3  ISU Internet Services Unit ISU, SA
   559         113        533     105  SWITCH Peering requests: peering at switch
  1103          95       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         27      73  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/CEDIA/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         259        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 27947         115          0      87  Telconet S.A, EC
 11340         114         25      50  Red Universitaria Nacional, CL
  1251          59         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         381        319      72  TENET-1, ZA
 36914         239         82       3  KENET-AS, KE
327687          61         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
  3208          32          2       1  ARN, DZ
 37182          32          8       1  TERNET, TZ
327700          30         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
396982        2622       3588     355  GOOGLE-CLOUD-PLATFORM, US
 16509        1985       1635     782  AMAZON-02, US
 15169         797       2254      63  GOOGLE, US
 14618         756       3994     558  AMAZON-AES, US
  2907         605       2157     464  SINET-AS Research Organization of Infor
  7497         435        182      24  CSTNET-AS-AP Computer Network Informati
  2018         381        319      72  TENET-1, ZA
   680         283       1919     249  DFN Verein zur Foerderung eines Deutsch
  1916         259        208      44  Rede Nacional de Ensino e Pesquisa, BR
 36914         239         82       3  KENET-AS, KE

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

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

   ASN  No of nets  Net Savings  Description
 16509        1985         1203  AMAZON-02, US
 15169         797          734  GOOGLE, US
  7497         435          411  CSTNET-AS-AP Computer Network Information Cente
  2018         381          309  TENET-1, ZA
 36914         239          236  KENET-AS, KE
  1916         259          215  Rede Nacional de Ensino e Pesquisa, BR
 14618         756          198  AMAZON-AES, US
  5786         199          198  UPRENET, PR
 58647         178          176  KAGAWAU-AS Kagawa University, JP
  8895         174          171  ISU Internet Services Unit ISU, SA

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /11:4       /12:20      
/13:34      /14:81      /15:160     /16:2091    /17:486     /18:475     
/19:714     /20:2783    /21:1018    /22:1626    /23:1702    /24:13373   
/25:94      /26:71      /27:99      /28:27      /29:79      /30:39      
/31:30      /32:11      

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

   ASN  No of nets  Total ann.  Description
 16509         283        1985  AMAZON-02, US
 15169         272         797  GOOGLE, US
 14618         246         756  AMAZON-AES, US
 36914         226         239  KENET-AS, KE
396982         181        2622  GOOGLE-CLOUD-PLATFORM, US
  8895         169         174  ISU Internet Services Unit ISU, SA
 27947          92         115  Telconet S.A, EC
 32440          80         107  LONI, US
 23024          51         112  OCDE, US
  1916          38         259  Rede Nacional de Ensino e Pesquisa, BR

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

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

   1:2         3:66        5:17        8:28       12:1        13:44     
  14:89       15:65       16:53       18:48       23:116      24:3      
  31:10       34:10       35:48       37:1        38:9        40:1      
  41:135      42:10       44:7        45:52       46:10       47:1      
  49:6        50:1        52:555      54:229      58:1        59:20     
  60:4        61:3        62:12       63:36       64:162      65:13     
  66:64       67:60       68:10       69:34       70:43       71:2      
  72:13       74:146      76:47       77:11       78:3        79:10     
  80:17       81:28       82:7        83:6        84:10       85:47     
  86:5        87:2        88:1        89:17       91:54       92:3      
  93:4        94:4        95:2        96:7        97:1        98:11     
  99:47      101:7       102:15      103:324     104:205     107:33     
 108:98      109:13      110:2       111:16      114:31      115:1      
 116:8       117:61      118:32      119:21      121:28      122:8      
 123:8       124:39      125:4       128:86      129:45      130:141    
 131:61      132:49      133:157     134:98      135:4       136:282    
 137:106     138:10      139:18      140:38      141:4       142:250    
 143:27      144:39      145:2       146:145     147:65      148:201    
 149:16      150:130     151:12      152:146     153:14      154:29     
 155:65      156:68      157:35      158:41      159:148     160:27     
 161:32      162:63      163:80      164:20      165:54      166:1      
 167:23      168:160     169:14      170:108     171:1       172:113    
 173:111     174:2       175:31      176:11      177:9       178:1      
 179:9       180:15      182:1       184:3       185:89      186:3      
 187:19      188:19      189:3       190:5       191:36      192:1462   
 193:317     194:126     195:66      196:169     197:144     198:492    
 199:297     200:266     201:36      202:640     203:432     204:364    
 205:149     206:201     207:180     208:127     209:158     210:186    
 211:17      212:171     213:15      216:161     217:11      218:22     
 219:6       220:16      222:5       223:4      

End of report


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