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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 26 20:16:39 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Tue 26 Dec, 2023

  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:                              256247
    Prefixes after maximum aggregation (per Origin AS):          113784
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      138230
    Number of IPv4 prefixes with a valid ROA:                     97274
    Number of IPv4 prefixes with an invalid ROA:                     28
    Number of IPv4 prefixes with no ROA:                         158945
Total ASes present in the Internet Routing Table:                 20549
    Prefixes per ASN:                                             12.47
Origin-only ASes present in the Internet Routing Table:           17898
Origin ASes announcing only one prefix:                            7968
Transit ASes present in the Internet Routing Table:                2651
Transit-only ASes present in the Internet Routing Table:            655
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.6
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               374
    Number of instances of unregistered ASNs:                       374
Number of 32-bit ASNs allocated by the RIRs:                      43270
Number of 32-bit ASNs visible in the Routing Table:                7376
Prefixes from 32-bit ASNs in the Routing Table:                   26442
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            126
Number of addresses announced to Internet:                   1488207465
    Equivalent to 88 /8s, 180 /16s and 62 /24s
    Percentage of available address space announced:               40.2
    Percentage of allocated address space announced:               40.2
    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:       86953

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

Prefixes being announced by APNIC Region ASes:                    30524
    Total APNIC prefixes after maximum aggregation:                7231
    APNIC Deaggregation factor:                                    4.22
Prefixes being announced from the APNIC address blocks:           30195
    Unique aggregates announced from the APNIC address blocks:     8384
APNIC Region origin ASes present in the Internet Routing Table:    1187
    APNIC Prefixes per ASN:                                       25.44
APNIC Region origin ASes announcing only one prefix:                483
APNIC Region transit ASes present in the Internet Routing Table:    191
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    516
Number of APNIC addresses announced to Internet:              214692488
    Equivalent to 12 /8s, 203 /16s and 242 /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:                    118843
    Total ARIN prefixes after maximum aggregation:                62549
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           118833
    Unique aggregates announced from the ARIN address blocks:     69159
ARIN Region origin ASes present in the Internet Routing Table:     9608
    ARIN Prefixes per ASN:                                        12.37
ARIN Region origin ASes announcing only one prefix:                3952
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:    2040
Number of ARIN addresses announced to Internet:               840360929
    Equivalent to 50 /8s, 22 /16s and 227 /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:                     55570
    Total RIPE prefixes after maximum aggregation:                28211
    RIPE Deaggregation factor:                                     1.97
Prefixes being announced from the RIPE address blocks:            54498
    Unique aggregates announced from the RIPE address blocks:     36863
RIPE Region origin ASes present in the Internet Routing Table:     5133
    RIPE Prefixes per ASN:                                        10.62
RIPE Region origin ASes announcing only one prefix:                2172
RIPE Region transit ASes present in the Internet Routing Table:     720
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1967
Number of RIPE addresses announced to Internet:               303857664
    Equivalent to 18 /8s, 28 /16s and 128 /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,
                        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:                   42395
    Total LACNIC prefixes after maximum aggregation:              13203
    LACNIC Deaggregation factor:                                   3.21
Prefixes being announced from the LACNIC address blocks:          41706
    Unique aggregates announced from the LACNIC address blocks:   19940
LACNIC Region origin ASes present in the Internet Routing Table:   3585
    LACNIC Prefixes per ASN:                                      11.63
LACNIC Region origin ASes announcing only one prefix:              1282
LACNIC Region transit ASes present in the Internet Routing Table:   724
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2754
Number of LACNIC addresses announced to Internet:              88422400
    Equivalent to 5 /8s, 69 /16s and 56 /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:                   8541
    Total AfriNIC prefixes after maximum aggregation:              2302
    AfriNIC Deaggregation factor:                                  3.71
Prefixes being announced from the AfriNIC address blocks:         10889
    Unique aggregates announced from the AfriNIC address blocks:   3760
AfriNIC Region origin ASes present in the Internet Routing Table:   228
    AfriNIC Prefixes per ASN:                                     47.76
AfriNIC Region origin ASes announcing only one prefix:               79
AfriNIC Region transit ASes present in the Internet Routing Table:   60
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   99
Number of AfriNIC addresses announced to Internet:             40800000
    Equivalent to 2 /8s, 110 /16s and 143 /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
  9808        9599       8738      48  CHINAMOBILE-CN China Mobile Communicati
 56047        1508        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1434        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1431        842     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         752        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
  9394         482       4145      48  CTTNET China TieTong Telecommunications
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

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        9466      11200    3352  AMAZON-02, US
 22773        3473       3038     292  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2967       3859    1414  DNIC-ASBLK-00306-00371, US
  7018        2520      23623    1568  ATT-INTERNET4, US
  5650        1990       2758    1410  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1845        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1742       3091     458  CELLCO-PART, US
   209        1710       4899     327  CENTURYLINK-US-LEGACY-QWEST, 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        4570        271      54  ALJAWWALSTC-AS, SA
 20940        1534        137    1225  AKAMAI-ASN1, NL
  3215         893       4823     300  France Telecom - Orange, FR
 25019         833       1035     152  SAUDINETSTC-AS, SA
  8452         829       1841      14  TE-AS TE-AS, EG
 61317         800         55     713  ASDETUK www.heficed.com, US
 34984         754         88     479  TELLCOM-AS, TR
  8376         723         59      21  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR
 15897         572        188      20  VODAFONETURKEY, TR

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        6154       1668    1007  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2007        369      64  Instituto Costarricense de Electricidad
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1087        369      22  Telefonica del Peru S.A.A., PE
 26615        1049       2502      52  TIM SA, BR
 18881         990       1120      28  TELEFONICA BRASIL S.A, BR
 11664         923        151     401  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  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        1147        388      22  LINKdotNET-AS, EG
 24835        1017        457      25  RAYA-AS, EG
 36935         671        520      41  Vodafone-, EG
 36992         655        950     340  ETISALAT-MISR, EG
 36914         519         82       3  KENET-AS, KE
 15399         430         38     145  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         387         36     161  ORANGE-COTE-IVOIRE, CI
  2018         379        319      71  TENET-1, ZA
 37693         313        594      41  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
  9808        9599       8738      48  CHINAMOBILE-CN China Mobile Communicati
 16509        9466      11200    3352  AMAZON-02, US
  8151        6154       1668    1007  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3473       3038     292  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2967       3859    1414  DNIC-ASBLK-00306-00371, US
  7018        2520      23623    1568  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2007        369      64  Instituto Costarricense de Electricidad

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

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

   ASN  No of nets  Net Savings  Description
 16509        9466         6114  AMAZON-02, US
  8151        6154         5147  UNINET, MX
 39891        4570         4516  ALJAWWALSTC-AS, SA
 22773        3473         3181  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2007         1943  Instituto Costarricense de Electricidad y Telec
 11776        1845         1624  ATLANTICBB-JOHNSTOWN, US
   367        2967         1553  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1508         1474  CMNET-HUNAN-AP China Mobile communications corp
   209        1710         1383  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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              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
23.140.216.0/24      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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
45.42.252.0/22       Origin:     16509  AMAZON-02, US
45.42.252.0/22      Transit:     24482  SGGS-AS-AP SG.GS, SG

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       /9:8       /10:29      /11:45      /12:130     
/13:188     /14:499     /15:1001    /16:7443    /17:3479    /18:4012    
/19:7878    /20:12238   /21:15491   /22:28487   /23:28989   /24:146038  
/25:85      /26:61      /27:72      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4570  ALJAWWALSTC-AS, SA
  8151        3293        6154  UNINET, MX
 22773        2531        3473  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1952        9466  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1705        2007  Instituto Costarricense de Electricidad y Telec
  5650        1405        1990  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1098        2520  ATT-INTERNET4, US
   209         965        1710  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:15        2:524       3:251       4:5         5:1311      6:150    
   7:5         8:728      11:171      12:1098     13:315      14:103    
  15:285      16:167      17:6        18:658      20:244      21:4      
  22:188      23:2409     24:780      25:2        27:25       29:19     
  31:427      32:37       34:2        35:57       36:1105     37:918    
  38:1336     39:508      40:62       41:987      42:20       43:214    
  44:41       45:3308     46:864      47:154      49:22       50:342    
  51:478      52:1387     54:339      55:884      56:5        57:23     
  58:9        59:32       60:18       61:66       62:593      63:889    
  64:2091     65:1153     66:2228     67:952      68:580      69:1195   
  70:483      71:266      72:684      74:1048     75:438      76:244    
  77:343      78:610      79:253      80:371      81:344      82:281    
  83:156      84:345      85:452      86:197      87:279      88:221    
  89:573      90:103      91:942      92:497      93:933      94:691    
  95:1217     96:280      97:70       98:547      99:164     100:45     
 101:28      102:280     103:1181    104:1402    105:64      106:42     
 107:1401    108:530     109:324     110:32      111:1740    112:473    
 113:61      114:33      115:17      116:47      117:952     118:64     
 119:151     120:1073    121:37      122:89      123:79      124:57     
 125:16      128:446     129:377     130:610     131:1046    132:550    
 133:267     134:434     135:122     136:388     137:589     138:861    
 139:530     140:574     141:280     142:801     143:638     144:380    
 145:90      146:606     147:424     148:692     149:704     150:293    
 151:546     152:538     153:146     154:631     155:763     156:597    
 157:329     158:428     159:660     160:663     161:637     162:969    
 163:404     164:654     165:565     166:573     167:618     168:1384   
 169:182     170:1486    171:98      172:1286    173:858     174:279    
 175:42      176:819     177:826     178:383     179:669     180:60     
 181:1648    182:16      183:875     184:502     185:3395    186:1884   
 187:1016    188:784     189:1268    190:4355    191:342     192:4904   
 193:1972    194:1444    195:1117    196:940     197:749     198:2570   
 199:3422    200:3172    201:3203    202:1098    203:643     204:2231   
 205:1841    206:1632    207:1407    208:1420    209:1917    210:335    
 211:472     212:1047    213:866     214:1074    215:44      216:2525   
 217:568     218:524     219:24      220:29      221:292     222:20     
 223:617    

End of report


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