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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 17 22:15:54 UTC 2024


IPv4 R&E Routing Table Report   22:15 GMT Tue 17 Dec, 2024

  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:                               26939
    Prefixes after maximum aggregation (per Origin AS):           13605
    Deaggregation factor:                                          1.98
    Unique aggregates announced (without unneeded subnets):       15481
    Number of IPv4 prefixes with a valid ROA:                     15580
    Number of IPv4 prefixes with an invalid ROA:                     11
    Number of IPv4 prefixes with no ROA:                          11348
Total ASes present in the Internet Routing Table:                  2782
    Prefixes per ASN:                                              9.68
Origin-only ASes present in the Internet Routing Table:            2407
Origin ASes announcing only one prefix:                            1075
Transit ASes present in the Internet Routing Table:                 375
Transit-only ASes present in the Internet Routing Table:             64
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:                                      28
    Max AS path prepend of ASN (138136)                              20
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:                      45980
Number of 32-bit ASNs visible in the Routing Table:                 682
Prefixes from 32-bit ASNs in the Routing Table:                    4853
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:              9
Number of addresses announced to Internet:                    308454416
    Equivalent to 18 /8s, 98 /16s and 164 /24s
    Percentage of available address space announced:                8.3
    Percentage of allocated address space announced:                8.3
    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:        3573

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

Prefixes being announced by APNIC Region ASes:                     4692
    Total APNIC prefixes after maximum aggregation:                2278
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4818
    Unique aggregates announced from the APNIC address blocks:     2765
APNIC Region origin ASes present in the Internet Routing Table:     561
    APNIC Prefixes per ASN:                                        8.59
APNIC Region origin ASes announcing only one prefix:                238
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:    210
Number of APNIC addresses announced to Internet:               47154240
    Equivalent to 2 /8s, 207 /16s and 132 /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, 131072-153913
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:                     16229
    Total ARIN prefixes after maximum aggregation:                 7719
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:            15563
    Unique aggregates announced from the ARIN address blocks:      8265
ARIN Region origin ASes present in the Internet Routing Table:     1278
    ARIN Prefixes per ASN:                                        12.18
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         3.3
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     216
Number of ARIN addresses announced to Internet:               173167360
    Equivalent to 10 /8s, 82 /16s and 83 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                 2899
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             4129
    Unique aggregates announced from the RIPE address blocks:      3509
RIPE Region origin ASes present in the Internet Routing Table:      672
    RIPE Prefixes per ASN:                                         6.14
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     159
Number of RIPE addresses announced to Internet:                80831120
    Equivalent to 4 /8s, 209 /16s and 98 /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
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        53/8,  57/8,  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:                    1431
    Total LACNIC prefixes after maximum aggregation:                538
    LACNIC Deaggregation factor:                                   2.66
Prefixes being announced from the LACNIC address blocks:           1441
    Unique aggregates announced from the LACNIC address blocks:     710
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       9.24
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4751680
    Equivalent to 0 /8s, 72 /16s and 129 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                    972
    Total AfriNIC prefixes after maximum aggregation:               170
    AfriNIC Deaggregation factor:                                  5.72
Prefixes being announced from the AfriNIC address blocks:           979
    Unique aggregates announced from the AfriNIC address blocks:    223
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     19.58
AfriNIC Region origin ASes announcing only one prefix:               31
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   32
Number of AfriNIC addresses announced to Internet:              2545664
    Equivalent to 0 /8s, 38 /16s and 216 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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         602       2200     463  SINET-AS Research Organization of Informa
  7497         445        180      24  CSTNET-AS-AP Computer Network Information
  1237         193         74     145  KREONET-AS-KR KISTI, KR
 58647         182         18       2  KAGAWAU-AS Kagawa University, JP
  7575         173        313     116  AARNET-AS-AP Australian Academic and Rese
 55824         146         19      20  NKN-CORE-NW NKN Core Network, IN
  4538         138       4192      71  ERX-CERNET-BKB China Education and Resear
  4621          69         37      10  UNINET-AS-AP UNINET-, TH
  4762          64          4       1  MAHIDOL-BORDER-AS Mahidol University, Tha
  2697          60          4      35  ERX-ERNET-AS Education and Research Netwo

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
396982        2892       3656     438  GOOGLE-CLOUD-PLATFORM, US
 16509        2391       1799    1089  AMAZON-02, US
 14618        1010       4484     761  AMAZON-AES, US
 15169         921       2007      68  GOOGLE, US
  8075         709      16016     597  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         201        162     150  RISQ-AS, CA
  5786         198         16       1  UPRENET, PR
  2920         173         34       7  LACOE, US
  2152         149        507      97  CENIC-2152, US
 18558         140         18       4  NETBLK-RCOEK, 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         284       1899     249  DFN Verein zur Foerderung eines Deutschen
   786         185       1767     182  JANET Jisc Services Limited, GB
  8895         132         24       5  ISU Internet Services Unit ISU, SA
   559         114        533     104  SWITCH Peering requests: peering at switch.c
  1103          96       1743      83  SURFNET-NL SURFnet, The Netherlands, NL
  2614          93         26      73  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
  1930          79         88      74  RCCN Fundacao para a Ciencia e a Tecnolog
   553          78        462      78  BELWUE BelWue-Koordination, DE
  3267          77         27      67  NIKS, RU

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         218        178      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         154         10      68  Universidad Juarez Autonoma de Tabasco, M
 11340         110         25      53  Red Universitaria Nacional, CL
271640          67          8       1  UNIVERSIDADE FEDERAL DE VICOSA, BR
 61468          53          5      18  CEDIA, EC
  2715          49         99      35  Fundacao Carlos Chagas Filho de Amparo a 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, BR
  4270          46         16       1  Red de Interconexion Universitaria, AR
  3596          40          8       4  Universidad Autonoma Metropolitana, MX
 28614          38          2       2  Fundacao Universidade Regional de Blumena

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         378        319      71  TENET-1, ZA
 36914         375         82       3  KENET-AS, KE
  8094          47         48      18  PUKNET, ZA
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
327700          16         16       1  MoRENet, MZ
 37661          12          8       4  NRaE1-AS, NG
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA
 37074           8          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
396982        2892       3656     438  GOOGLE-CLOUD-PLATFORM, US
 16509        2391       1799    1089  AMAZON-02, US
 14618        1010       4484     761  AMAZON-AES, US
 15169         921       2007      68  GOOGLE, US
  8075         709      16016     597  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2907         602       2200     463  SINET-AS Research Organization of Informa
  7497         445        180      24  CSTNET-AS-AP Computer Network Information
  2018         378        319      71  TENET-1, ZA
 36914         375         82       3  KENET-AS, KE
   680         284       1899     249  DFN Verein zur Foerderung eines Deutschen

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

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

   ASN  No of nets  Net Savings  Description
 16509        2391         1302  AMAZON-02, US
 15169         921          853  GOOGLE, US
  7497         445          421  CSTNET-AS-AP Computer Network Information Cente
 36914         375          372  KENET-AS, KE
  2018         378          307  TENET-1, ZA
 14618        1010          249  AMAZON-AES, US
  5786         198          197  UPRENET, PR
 58647         182          180  KAGAWAU-AS Kagawa University, JP
  1916         218          175  Rede Nacional de Ensino e Pesquisa, BR
  2920         173          166  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
     26971  UNALLOCATED  129.111.0.0/16             276  OTS-AS-276, US

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

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

Unassigned Network     ASN Information  AS Name
103.165.160.0/24     Origin:     16509  AMAZON-02, US
103.165.160.0/24    Transit:     27750  Cooperacion Latino Americana de Redes Av
103.177.50.0/23      Origin:    396982  GOOGLE-CLOUD-PLATFORM, US
103.177.50.0/23     Transit:     15169  GOOGLE, US
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN
192.225.212.0/24     Origin:     14618  AMAZON-AES, US
192.225.212.0/24    Transit:     16509  AMAZON-02, US
192.225.223.0/24     Origin:     14618  AMAZON-AES, US
192.225.223.0/24    Transit:     16509  AMAZON-02, US

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       /10:3       /11:10      /12:34      
/13:50      /14:107     /15:198     /16:2285    /17:557     /18:536     
/19:766     /20:2814    /21:1129    /22:1687    /23:1811    /24:14786   
/25:42      /26:64      /27:33      /28:6       /29:14      /30:3       
/31:0       /32:3       

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

   ASN  No of nets  Total ann.  Description
 16509         391        2391  AMAZON-02, US
 36914         351         375  KENET-AS, KE
 14618         315        1010  AMAZON-AES, US
 15169         268         921  GOOGLE, US
396982         263        2892  GOOGLE-CLOUD-PLATFORM, US
  8075         127         709  MICROSOFT-CORP-MSN-AS-BLOCK, US
  8895         127         132  ISU Internet Services Unit ISU, SA
  1916          60         218  Rede Nacional de Ensino e Pesquisa, BR
 23024          37          97  OCDE, US
 32440          36          61  LONI, US

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

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

   1:2         2:1         3:103       5:23        8:28       12:2      
  13:81       14:93       15:73       16:119      18:85       23:113    
  24:3        31:6        34:23       35:56       36:1        37:8      
  38:11       40:4        41:166      42:11       43:2        44:5      
  45:78       46:11       47:1        49:10       50:5        52:555    
  54:163      57:5        59:19       60:5        61:3        62:15     
  63:37       64:162      65:25       66:90       67:68       68:18     
  69:49       70:38       71:3        72:14       74:154      75:1      
  76:46       77:12       78:3        79:10       80:13       81:26     
  82:7        83:7        84:6        85:51       86:5        87:5      
  88:1        89:21       91:60       92:9        93:45       94:7      
  95:3        96:7        97:1        98:11       99:46      101:2      
 102:16      103:326     104:236     107:38      108:110     109:8      
 111:22      113:5       114:32      115:1       116:11      117:62     
 118:33      119:23      121:28      122:8       123:8       124:41     
 125:5       128:57      129:41      130:149     131:75      132:62     
 133:155     134:108     135:7       136:305     137:69      138:67     
 139:17      140:44      141:10      142:332     143:32      144:46     
 145:7       146:139     147:77      148:203     149:18      150:47     
 151:38      152:150     153:14      154:40      155:95      156:140    
 157:36      158:44      159:152     160:35      161:43      162:93     
 163:68      164:27      165:67      166:5       167:24      168:165    
 169:14      170:168     171:1       172:114     173:111     174:2      
 175:16      176:4       177:6       178:3       179:13      180:16     
 181:1       182:11      184:8       185:136     186:3       187:22     
 188:20      189:3       190:18      191:13      192:1557    193:295    
 194:132     195:83      196:145     197:218     198:503     199:352    
 200:270     201:37      202:646     203:452     204:408     205:162    
 206:235     207:253     208:155     209:199     210:219     211:3      
 212:174     213:22      216:216     217:17      218:23      219:6      
 220:16      222:2       223:15     

End of report


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