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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 15 20:16:54 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 15 Dec, 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:                              259656
    Prefixes after maximum aggregation (per Origin AS):          113646
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      135929
    Number of IPv4 prefixes with a valid ROA:                    115444
    Number of IPv4 prefixes with an invalid ROA:                     26
    Number of IPv4 prefixes with no ROA:                         144186
Total ASes present in the Internet Routing Table:                 20482
    Prefixes per ASN:                                             12.68
Origin-only ASes present in the Internet Routing Table:           17613
Origin ASes announcing only one prefix:                            7862
Transit ASes present in the Internet Routing Table:                2869
Transit-only ASes present in the Internet Routing Table:            723
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:                                      27
    Max AS path prepend of ASN (138136)                              20
Prefixes from unregistered ASNs in the Routing Table:               326
    Number of instances of unregistered ASNs:                       327
Number of 32-bit ASNs allocated by the RIRs:                      45980
Number of 32-bit ASNs visible in the Routing Table:                7924
Prefixes from 32-bit ASNs in the Routing Table:                   29658
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:            156
Number of addresses announced to Internet:                   1584345597
    Equivalent to 94 /8s, 111 /16s and 49 /24s
    Percentage of available address space announced:               42.8
    Percentage of allocated address space announced:               42.8
    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:       82732

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

Prefixes being announced by APNIC Region ASes:                    31713
    Total APNIC prefixes after maximum aggregation:                7703
    APNIC Deaggregation factor:                                    4.12
Prefixes being announced from the APNIC address blocks:           30964
    Unique aggregates announced from the APNIC address blocks:     8684
APNIC Region origin ASes present in the Internet Routing Table:    1188
    APNIC Prefixes per ASN:                                       26.06
APNIC Region origin ASes announcing only one prefix:                466
APNIC Region transit ASes present in the Internet Routing Table:    213
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:    511
Number of APNIC addresses announced to Internet:              173378412
    Equivalent to 10 /8s, 85 /16s and 139 /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:                    117814
    Total ARIN prefixes after maximum aggregation:                60721
    ARIN Deaggregation factor:                                     1.94
Prefixes being announced from the ARIN address blocks:           116456
    Unique aggregates announced from the ARIN address blocks:     60452
ARIN Region origin ASes present in the Internet Routing Table:     9078
    ARIN Prefixes per ASN:                                        12.83
ARIN Region origin ASes announcing only one prefix:                3766
ARIN Region transit ASes present in the Internet Routing Table:     850
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:    2041
Number of ARIN addresses announced to Internet:               955242625
    Equivalent to 56 /8s, 239 /16s and 216 /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:                     50458
    Total RIPE prefixes after maximum aggregation:                26995
    RIPE Deaggregation factor:                                     1.87
Prefixes being announced from the RIPE address blocks:            51874
    Unique aggregates announced from the RIPE address blocks:     37726
RIPE Region origin ASes present in the Internet Routing Table:     4790
    RIPE Prefixes per ASN:                                        10.83
RIPE Region origin ASes announcing only one prefix:                2044
RIPE Region transit ASes present in the Internet Routing Table:     701
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1886
Number of RIPE addresses announced to Internet:               316827344
    Equivalent to 18 /8s, 226 /16s and 102 /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:                   48554
    Total LACNIC prefixes after maximum aggregation:              14926
    LACNIC Deaggregation factor:                                   3.25
Prefixes being announced from the LACNIC address blocks:          47368
    Unique aggregates announced from the LACNIC address blocks:   22792
LACNIC Region origin ASes present in the Internet Routing Table:   4249
    LACNIC Prefixes per ASN:                                      11.15
LACNIC Region origin ASes announcing only one prefix:              1456
LACNIC Region transit ASes present in the Internet Routing Table:   886
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3325
Number of LACNIC addresses announced to Internet:              98470208
    Equivalent to 5 /8s, 222 /16s and 137 /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:                  10791
    Total AfriNIC prefixes after maximum aggregation:              3073
    AfriNIC Deaggregation factor:                                  3.51
Prefixes being announced from the AfriNIC address blocks:         12838
    Unique aggregates announced from the AfriNIC address blocks:   6145
AfriNIC Region origin ASes present in the Internet Routing Table:   316
    AfriNIC Prefixes per ASN:                                     40.63
AfriNIC Region origin ASes announcing only one prefix:              130
AfriNIC Region transit ASes present in the Internet Routing Table:   86
Average AfriNIC Region AS path length visible:                      6.4
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  161
Number of AfriNIC addresses announced to Internet:             40352256
    Equivalent to 2 /8s, 103 /16s and 186 /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
  9808        9906       8753      87  CHINAMOBILE-CN China Mobile Communication
 56046        1565        804     184  CMNET-JIANGSU-AP China Mobile communicati
 56041        1494        714      78  CMNET-ZHEJIANG-AP China Mobile communicat
 56047        1491        192      50  CMNET-HUNAN-AP China Mobile communication
 24547         829        177      49  CMNET-V4HEBEI-AS-AP Hebei Mobile Communic
 24444         777        501      74  CMNET-V4SHANDONG-AS-AP Shandong Mobile Co
  2907         602       2200     463  SINET-AS Research Organization of Informa
 17676         520       9903     160  GIGAINFRA SoftBank Corp., JP
 56040         484        488     105  CMNET-GUANGDONG-AP China Mobile communica
 45102         468        748     112  ALIBABA-CN-NET Alibaba US Technology Co.,

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       12521      38459    2995  AMAZON-02, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3198      23504    2043  ATT-INTERNET4, US
   367        2487       2990    1169  DNIC-ASBLK-00306-00371, US
 22773        2466       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2286        155    1404  USDA-1, US
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US
  6167        1746       3399     440  CELLCO-PART, US
   209        1668       4895     294  CENTURYLINK-US-LEGACY-QWEST, US
 36352        1570        164     791  AS-COLOCROSSING, 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        1872        126      49  ALJAWWALSTC-AS, SA
 20940        1265         99    1023  AKAMAI-ASN1, NL
  3215         889       4814     285  France Telecom - Orange, FR
  3257         784       2071     685  GTT-BACKBONE GTT, US
  8386         705        109     211  KOCNET, TR
  8452         667       1842      17  TE-AS TE-AS, EG
 25019         613        998     130  SAUDINETSTC-AS, SA
  8376         589         55      26  Jordan Data Communications, JO
  3320         579       8322     490  DTAG Internet service provider operations
212238         577         42     512  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        5677       1589     845  UNINET, MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 10620        1687        252    1197  Telmex Colombia S.A., CO
  3816        1327        777     209  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1115        371      22  Telefonica del Peru S.A.A., PE
 26615        1002       2503      53  TIM SA, BR
 18881         868       1128      28  TELEFONICA BRASIL S.A, BR
 27651         667         93      49  ENTEL CHILE S.A., CL
 28006         649         77     296  CORPORACION NACIONAL DE TELECOMUNICACIONE
 26599         548       2888      72  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        1489        389      16  LINKdotNET-AS, EG
 29571        1119         77     332  ORANGE-COTE-IVOIRE, CI
 20011         967        179     271  INTERNET-SOLUTIONS, ZA
 24835         710        364     145  RAYA-AS, EG
 36992         595       1006     263  ETISALAT-MISR, EG
 37069         588       1047      14  MOBINIL, EG
 36935         566        125     175  Vodafone-, EG
 36914         542         82       3  KENET-AS, KE
 36903         470        221     323  MT-MPLS, MA
  2018         378        319      71  TENET-1, ZA

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       12521      38459    2995  AMAZON-02, US
  9808        9906       8753      87  CHINAMOBILE-CN China Mobile Communication
  8151        5677       1589     845  UNINET, MX
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3198      23504    2043  ATT-INTERNET4, US
   367        2487       2990    1169  DNIC-ASBLK-00306-00371, US
 22773        2466       2081     708  ASN-CXA-ALL-CCI-22773-RDC, US
  4155        2286        155    1404  USDA-1, US
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 11776        1879        257     218  ATLANTICBB-JOHNSTOWN, US

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        9906         9819  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5677         4832  UNINET, MX
 11830        1993         1929  Instituto Costarricense de Electricidad y Telec
 39891        1872         1823  ALJAWWALSTC-AS, SA
 22773        2466         1758  ASN-CXA-ALL-CCI-22773-RDC, US
 11776        1879         1661  ATLANTICBB-JOHNSTOWN, US
 24863        1489         1473  LINKdotNET-AS, EG
 56047        1491         1441  CMNET-HUNAN-AP China Mobile communications corp
 56041        1494         1416  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1565         1381  CMNET-JIANGSU-AP China Mobile communications co

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
     53966  UNALLOCATED  8.39.98.0/24              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

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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US

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      /10:34      /11:40      /12:151     
/13:212     /14:569     /15:1130    /16:7740    /17:3512    /18:4203    
/19:7664    /20:12409   /21:15163   /22:27967   /23:27671   /24:150980  
/25:42      /26:65      /27:35      /28:17      /29:16      /30:9       
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
  8151        3040        5677  UNINET, MX
 16509        2274       12521  AMAZON-02, US
 22773        1866        2466  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        1691        1993  Instituto Costarricense de Electricidad y Telecom., CR
  7018        1468        3198  ATT-INTERNET4, US
 39891        1017        1872  ALJAWWALSTC-AS, SA
   209         947        1668  CENTURYLINK-US-LEGACY-QWEST, US
 10620         940        1687  Telmex Colombia S.A., CO
 11776         892        1879  ATLANTICBB-JOHNSTOWN, US
 19901         891        1073  BRSPD-PUBLIC, US

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

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

   1:65        2:489       3:521       4:5         5:818       6:153    
   7:5         8:662      11:171      12:974      13:304      14:120    
  15:293      16:234      17:5        18:873      20:146      21:4      
  22:188      23:2245     24:698      27:36       29:19       31:486    
  32:19       34:9        35:107      36:1224     37:590      38:1909   
  39:525      40:52       41:1103     42:216      43:211      44:33     
  45:3800     46:986      47:142      49:29       50:339      51:369    
  52:1392     54:294      55:1031     56:8        57:17       58:31     
  59:29       60:15       61:72       62:537      63:770      64:1753   
  65:1100     66:1551     67:930      68:525      69:1149     70:301    
  71:207      72:580      74:913      75:430      76:249      77:382    
  78:301      79:299      80:330      81:415      82:350      83:198    
  84:344      85:538      86:228      87:214      88:261      89:899    
  90:95       91:1057     92:627      93:474      94:842      95:549    
  96:217      97:54       98:455      99:161     100:35      101:28     
 102:363     103:1179    104:1024    105:144     106:67      107:1253   
 108:489     109:384     110:38      111:1874    112:467     113:43     
 114:54      115:20      116:49      117:987     118:170     119:120    
 120:1152    121:43      122:139     123:151     124:53      125:22     
 128:433     129:326     130:675     131:935     132:562     133:210    
 134:479     135:112     136:584     137:582     138:991     139:405    
 140:672     141:453     142:930     143:695     144:411     145:89     
 146:670     147:483     148:739     149:652     150:308     151:645    
 152:668     153:136     154:946     155:755     156:850     157:379    
 158:475     159:677     160:909     161:616     162:896     163:407    
 164:738     165:807     166:608     167:635     168:1523    169:149    
 170:1586    171:103     172:1180    173:801     174:230     175:54     
 176:429     177:1164    178:531     179:835     180:79      181:1876   
 182:48      183:869     184:445     185:3338    186:2310    187:1064   
 188:850     189:1413    190:4957    191:461     192:4910    193:1927   
 194:1409    195:1032    196:795     197:1644    198:2557    199:4624   
 200:3881    201:3243    202:1100    203:703     204:2073    205:1984   
 206:1591    207:1428    208:1296    209:1938    210:313     211:429    
 212:1032    213:942     214:1014    215:42      216:2419    217:508    
 218:521     219:22      220:30      221:301     222:29      223:706    


End of report


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