[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed Nov 6 20:17:08 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 06 Nov, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              248845
    Prefixes after maximum aggregation (per Origin AS):          110096
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      133373
    Number of IPv4 prefixes with a valid ROA:                    109782
    Number of IPv4 prefixes with an invalid ROA:                     24
    Number of IPv4 prefixes with no ROA:                         139039
Total ASes present in the Internet Routing Table:                 19975
    Prefixes per ASN:                                             12.46
Origin-only ASes present in the Internet Routing Table:           17204
Origin ASes announcing only one prefix:                            7710
Transit ASes present in the Internet Routing Table:                2771
Transit-only ASes present in the Internet Routing Table:            738
Paths with bogon ASNs present in the IPv4 Routing Table:              6
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      38
    Max AS path prepend of ASN ( 37447)                              34
Prefixes from unregistered ASNs in the Routing Table:               337
    Number of instances of unregistered ASNs:                       338
Number of 32-bit ASNs allocated by the RIRs:                      45777
Number of 32-bit ASNs visible in the Routing Table:                7670
Prefixes from 32-bit ASNs in the Routing Table:                   28118
Number of bogon 32-bit ASNs visible in the Routing Table:             4
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:             37
Number of addresses announced to Internet:                   1484934941
    Equivalent to 88 /8s, 130 /16s and 79 /24s
    Percentage of available address space announced:               40.1
    Percentage of allocated address space announced:               31.1
    Percentage of available address space allocated:              128.8
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      165097

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

Prefixes being announced by APNIC Region ASes:                    31685
    Total APNIC prefixes after maximum aggregation:                7691
    APNIC Deaggregation factor:                                    4.12
Prefixes being announced from the APNIC address blocks:            1272
    Unique aggregates announced from the APNIC address blocks:     1071
APNIC Region origin ASes present in the Internet Routing Table:    1206
    APNIC Prefixes per ASN:                                        1.05
APNIC Region origin ASes announcing only one prefix:                471
APNIC Region transit ASes present in the Internet Routing Table:    208
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:    527
Number of APNIC addresses announced to Internet:               11326272
    Equivalent to 0 /8s, 172 /16s and 211 /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    43/8,  45/8, 146/8, 150/8, 160/8, 163/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    112093
    Total ARIN prefixes after maximum aggregation:                59429
    ARIN Deaggregation factor:                                     1.89
Prefixes being announced from the ARIN address blocks:            41656
    Unique aggregates announced from the ARIN address blocks:     25595
ARIN Region origin ASes present in the Internet Routing Table:     8915
    ARIN Prefixes per ASN:                                         4.67
ARIN Region origin ASes announcing only one prefix:                3717
ARIN Region transit ASes present in the Internet Routing Table:     816
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1966
Number of ARIN addresses announced to Internet:               155664449
    Equivalent to 9 /8s, 71 /16s and 64 /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     66/8, 131/8, 137/8, 139/8, 144/8, 149/8, 162/8,
                       164/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8,
                       208/8, 209/8, 216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                     48401
    Total RIPE prefixes after maximum aggregation:                25373
    RIPE Deaggregation factor:                                     1.91
Prefixes being announced from the RIPE address blocks:             4430
    Unique aggregates announced from the RIPE address blocks:      3822
RIPE Region origin ASes present in the Internet Routing Table:     4588
    RIPE Prefixes per ASN:                                         0.97
RIPE Region origin ASes announcing only one prefix:                1970
RIPE Region transit ASes present in the Internet Routing Table:     669
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1801
Number of RIPE addresses announced to Internet:                21028352
    Equivalent to 1 /8s, 64 /16s and 222 /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    152/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   47138
    Total LACNIC prefixes after maximum aggregation:              14366
    LACNIC Deaggregation factor:                                   3.28
Prefixes being announced from the LACNIC address blocks:           4905
    Unique aggregates announced from the LACNIC address blocks:    3040
LACNIC Region origin ASes present in the Internet Routing Table:   4105
    LACNIC Prefixes per ASN:                                       1.19
LACNIC Region origin ASes announcing only one prefix:              1431
LACNIC Region transit ASes present in the Internet Routing Table:   851
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3227
Number of LACNIC addresses announced to Internet:               5696000
    Equivalent to 0 /8s, 86 /16s and 234 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks   72/8, 128/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                   9191
    Total AfriNIC prefixes after maximum aggregation:              3015
    AfriNIC Deaggregation factor:                                  3.05
Prefixes being announced from the AfriNIC address blocks:          1453
    Unique aggregates announced from the AfriNIC address blocks:    680
AfriNIC Region origin ASes present in the Internet Routing Table:   289
    AfriNIC Prefixes per ASN:                                      5.03
AfriNIC Region origin ASes announcing only one prefix:              121
AfriNIC Region transit ASes present in the Internet Routing Table:   85
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  149
Number of AfriNIC addresses announced to Internet:              3933184
    Equivalent to 0 /8s, 60 /16s and 4 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 161/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808        9893       8752      82  CHINAMOBILE-CN China Mobile Communication
 56046        1545        797     177  CMNET-JIANGSU-AP China Mobile communicati
 56047        1508        192      49  CMNET-HUNAN-AP China Mobile communication
 56041        1484        714      76  CMNET-ZHEJIANG-AP China Mobile communicat
 24547         806        176      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         777        501      73  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         600       2170     465  SINET-AS Research Organization of Informa
 17676         531       9935     162  GIGAINFRA SoftBank Corp., JP
 56040         486        489     107  CMNET-GUANGDONG-AP China Mobile communica
 24445         482        497      69  CMNET-V4HENAN-AS-AP Henan Mobile Communic

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10998      12004    3876  AMAZON-02, US
   749        3262      54896    2509  DNIC-AS-00749, US
  7018        3173      23665    2010  ATT-INTERNET4, US
   367        2493       3010    1160  DNIC-ASBLK-00306-00371, US
 22773        2474       2083     712  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2199        149    1375  USDA-1, US
 11776        1872        256     225  ATLANTICBB-JOHNSTOWN, US
  6167        1797       3392     439  CELLCO-PART, US
   209        1674       4896     298  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1407        402     448  DNIC-ASBLK-05800-06055, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        3193        194      63  ALJAWWALSTC-AS, SA
 20940        1346        105    1071  AKAMAI-ASN1, NL
  3215         889       4814     288  France Telecom - Orange, FR
  3257         799       2072     694  GTT-BACKBONE GTT, US
  8452         711       1842      17  TE-AS TE-AS, EG
  8376         655         57      29  Jordan Data Communications, JO
 25019         588       1001     133  SAUDINETSTC-AS, SA
  3320         572       8321     484  DTAG Internet service provider operations
 51167         560        110     246  CONTABO, DE
212238         504         38     454  CDNEXT, GB

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5778       1682     815  UNINET, MX
 11830        2005        369      64  Instituto Costarricense de Electricidad y
 10620        1735        259    1225  Telmex Colombia S.A., CO
  3816        1323        779     196  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1115        369      22  Telefonica del Peru S.A.A., PE
 26615        1030       2503      53  TIM SA, BR
 18881         860       1128      28  TELEFONICA BRASIL S.A, BR
 28006         645         77     294  CORPORACION NACIONAL DE TELECOMUNICACIONE
 27651         628         86      51  ENTEL CHILE S.A., CL
 26599         533       2829      76  TELEFONICA BRASIL S.A, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1406        389      16  LINKdotNET-AS, EG
 29571         692         56     304  ORANGE-COTE-IVOIRE, CI
 36935         669        131     181  Vodafone-, EG
 24835         628        357     198  RAYA-AS, EG
 36992         579        967     265  ETISALAT-MISR, EG
 36914         440         82       3  KENET-AS, KE
 37069         440       1051      15  MOBINIL, EG
 20011         431        131     297  INTERNET-SOLUTIONS, ZA
  2018         381        319      71  TENET-1, ZA
 37693         335        597      42  TUNISIANA, TN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       10998      12004    3876  AMAZON-02, US
  9808        9893       8752      82  CHINAMOBILE-CN China Mobile Communication
  8151        5778       1682     815  UNINET, MX
   749        3262      54896    2509  DNIC-AS-00749, US
 39891        3193        194      63  ALJAWWALSTC-AS, SA
  7018        3173      23665    2010  ATT-INTERNET4, US
   367        2493       3010    1160  DNIC-ASBLK-00306-00371, US
 22773        2474       2083     712  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2199        149    1375  USDA-1, US
 11830        2005        369      64  Instituto Costarricense de Electricidad y

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9893         9811  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5778         4963  UNINET, MX
 39891        3193         3130  ALJAWWALSTC-AS, SA
 11830        2005         1941  Instituto Costarricense de Electricidad y Telec
 22773        2474         1762  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1872         1647  ATLANTICBB-JOHNSTOWN, US
 56047        1508         1459  CMNET-HUNAN-AP China Mobile communications corp
 56041        1484         1408  CMNET-ZHEJIANG-AP China Mobile communications c
 24863        1406         1390  LINKdotNET-AS, EG
   209        1674         1376  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
    399953  UNALLOCATED  12.9.122.0/24             7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            7018  ATT-INTERNET4, US
     63305  UNALLOCATED  12.49.58.0/24             7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
45.42.0.0/22         Origin:     16929  RESERVED, ZZ
45.42.0.0/22        Transit:    393275  VINGN-VIRGIN-ISLANDS-NEXT-GENERATION-NET
66.187.240.0/20      Origin:     33745  ATOS-BLYTHEWOOD, US
66.187.240.0/20     Transit:    198949  RADWARE, IL
162.246.40.0/22      Origin:     30218  RESERVED, ZZ
162.246.40.0/22     Transit:     54004  OPTIMUM-WIFI2, US
162.246.40.0/23      Origin:     30218  RESERVED, ZZ
162.246.40.0/23     Transit:     54004  OPTIMUM-WIFI2, US
164.160.192.0/21     Origin:     37661  NRaE1-AS, NG
164.160.192.0/21    Transit:     37288  WACREN, SN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:13       /9:10      /10:28      /11:38      /12:137     
/13:195     /14:520     /15:1024    /16:6811    /17:3354    /18:4038    
/19:7499    /20:11936   /21:14568   /22:26682   /23:26807   /24:144983  
/25:47      /26:69      /27:37      /28:19      /29:16      /30:10      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 16509       10049       10998  AMAZON-02, US
  9808        7911        9893  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., CN
  8151        4395        5778  UNINET, MX
 39891        3126        3193  ALJAWWALSTC-AS, SA
  7018        2512        3173  ATT-INTERNET4, US
 22773        2322        2474  ASN-CXA-ALL-CCI-22773-RDC, US
  6167        1732        1797  CELLCO-PART, US
   367        1632        2493  DNIC-ASBLK-00306-00371, US
 10620        1632        1735  Telmex Colombia S.A., CO
   749        1595        3262  DNIC-AS-00749, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:63        2:518       3:507       4:5         5:1033      6:156    
   7:5         8:678      11:171      12:1010     13:309      14:116    
  15:293      16:232      17:5        18:871      20:119      21:4      
  22:188      23:2120     24:634      27:33       29:19       31:397    
  32:25       34:9        35:74       36:1193     37:674      38:1539   
  39:536      40:53       41:928      42:220      43:200      44:31     
  45:3580     46:968      47:94       49:25       50:352      51:368    
  52:1411     54:295      55:948      56:8        57:17       58:31     
  59:29       60:16       61:66       62:494      63:765      64:1708   
  65:1068     66:1428     67:897      68:515      69:1024     70:301    
  71:198      72:547      74:897      75:411      76:221      77:431    
  78:606      79:316      80:322      81:409      82:337      83:196    
  84:333      85:468      86:237      87:229      88:240      89:788    
  90:96       91:1002     92:604      93:856      94:712      95:672    
  96:190      97:52       98:524      99:164     100:27      101:28     
 102:344     103:1217    104:876     105:86      106:55      107:775    
 108:445     109:415     110:42      111:1865    112:471     113:38     
 114:58      115:17      116:45      117:976     118:170     119:113    
 120:1169    121:44      122:153     123:154     124:59      125:22     
 128:331     129:323     130:669     131:922     132:566     133:208    
 134:461     135:103     136:498     137:585     138:981     139:410    
 140:661     141:446     142:913     143:698     144:407     145:88     
 146:649     147:509     148:703     149:617     150:337     151:618    
 152:640     153:135     154:632     155:755     156:774     157:384    
 158:457     159:639     160:714     161:599     162:834     163:374    
 164:751     165:754     166:599     167:633     168:1453    169:136    
 170:1518    171:100     172:1096    173:758     174:285     175:42     
 176:359     177:1077    178:432     179:773     180:83      181:1746   
 182:47      183:850     184:436     185:3086    186:2302    187:1135   
 188:777     189:1462    190:4884    191:423     192:4773    193:1853   
 194:1322    195:885     196:696     197:1126    198:2410    199:4512   
 200:3797    201:3145    202:1118    203:691     204:2083    205:1974   
 206:1544    207:1370    208:1204    209:1753    210:327     211:430    
 212:990     213:745     214:1042    215:41      216:2352    217:467    
 218:521     219:22      220:31      221:301     222:18      223:705    


End of report


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