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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Dec 18 22:41:12 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 18 Dec, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              987102
    Prefixes after maximum aggregation (per Origin AS):          363364
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      456127
Total ASes present in the Internet Routing Table:                 75401
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64619
Origin ASes announcing only one prefix:                           26018
Transit ASes present in the Internet Routing Table:               10782
Transit-only ASes present in the Internet Routing Table:            490
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1243
    Number of instances of unregistered ASNs:                      1245
Number of 32-bit ASNs allocated by the RIRs:                      43235
Number of 32-bit ASNs visible in the Routing Table:               35678
Prefixes from 32-bit ASNs in the Routing Table:                  186741
Number of bogon 32-bit ASNs visible in the Routing Table:           179
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            599
Number of addresses announced to Internet:                   3049842462
    Equivalent to 181 /8s, 200 /16s and 231 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      339729

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

Prefixes being announced by APNIC Region ASes:                   257598
    Total APNIC prefixes after maximum aggregation:               73061
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250486
    Unique aggregates announced from the APNIC address blocks:    99715
APNIC Region origin ASes present in the Internet Routing Table:   13925
    APNIC Prefixes per ASN:                                       17.99
APNIC Region origin ASes announcing only one prefix:               4150
APNIC Region transit ASes present in the Internet Routing Table:   1887
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9243
Number of APNIC addresses announced to Internet:              771679136
    Equivalent to 45 /8s, 254 /16s and 227 /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:                    282073
    Total ARIN prefixes after maximum aggregation:               126141
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286432
    Unique aggregates announced from the ARIN address blocks:    132721
ARIN Region origin ASes present in the Internet Routing Table:    19105
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6929
ARIN Region transit ASes present in the Internet Routing Table:    1946
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4830
Number of ARIN addresses announced to Internet:              1276296512
    Equivalent to 76 /8s, 18 /16s and 189 /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:                    282790
    Total RIPE prefixes after maximum aggregation:               128285
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           276412
    Unique aggregates announced from the RIPE address blocks:    160962
RIPE Region origin ASes present in the Internet Routing Table:    28584
    RIPE Prefixes per ASN:                                         9.67
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    3980
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11537
Number of RIPE addresses announced to Internet:               714998494
    Equivalent to 42 /8s, 158 /16s and 2 /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:                  129328
    Total LACNIC prefixes after maximum aggregation:              28998
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         128350
    Unique aggregates announced from the LACNIC address blocks:   49359
LACNIC Region origin ASes present in the Internet Routing Table:  11059
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2266
LACNIC Region transit ASes present in the Internet Routing Table:  2411
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8906
Number of LACNIC addresses announced to Internet:             178447456
    Equivalent to 10 /8s, 162 /16s and 228 /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:                  34070
    Total AfriNIC prefixes after maximum aggregation:              6088
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         44822
    Unique aggregates announced from the AfriNIC address blocks:  12871
AfriNIC Region origin ASes present in the Internet Routing Table:  1821
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              591
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1162
Number of AfriNIC addresses announced to Internet:            107973632
    Equivalent to 6 /8s, 111 /16s and 140 /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        9794       8732      46  CHINAMOBILE-CN China Mobile Communicati
  7545        5673        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4474        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3821       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3400        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3356       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2642        852     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9425      11191    3389  AMAZON-02, US
 11492        4562        303     680  CABLEONE, US
  7155        4185        289      98  VIASAT-SP-BACKBONE, US
   174        3960       6658     652  COGENT-174, US
 22773        3606       3077     307  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3213       1428    2348  AKAMAI-AS, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2961       3842    1413  DNIC-ASBLK-00306-00371, US
396982        2737       3637     383  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8781       1193    2780  TTNET, TR
 12479        7611       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4077       3398     170  AKAMAI-ASN1, NL
  9009        3503        301    1636  M247, RO
  8551        3366        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3026       2301     917  ROSTELECOM-AS, RU
  5384        2504        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2503       1852      14  TE-AS TE-AS, EG
 34984        2370        363     583  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12170       3380     604  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2490        339     634  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1246        341     504  Axtel, S.A.B. de C.V., MX
 28202        1102         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1093        177     428  Techtel LMDS Comunicaciones Interactiva
  6147        1084        369      22  Telefonica del Peru S.A.A., PE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1625        316      43  Telkom-Internet, ZA
 24863        1593        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1051         68      53  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE
 15399         534         56      53  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12170       3380     604  UNINET, MX
  9808        9794       8732      46  CHINAMOBILE-CN China Mobile Communicati
 16509        9425      11191    3389  AMAZON-02, US
 47331        8781       1193    2780  TTNET, TR
 12479        7611       1714     146  UNI2-AS, ES
  7545        5673        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4562        303     680  CABLEONE, US
 18403        4474        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9794         9748  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7611         7465  UNI2-AS, ES
 16509        9425         6036  AMAZON-02, US
 47331        8781         6001  TTNET, TR
  7545        5673         4986  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4991         4916  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4474         4449  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4087  VIASAT-SP-BACKBONE, US
 20940        4077         3907  AKAMAI-ASN1, NL

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23             33650  COMCAST-33650, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ
100.66.10.0/24            65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:99      /12:300     
/13:583     /14:1211    /15:2139    /16:13604   /17:8528    /18:14280   
/19:25707   /20:45661   /21:54379   /22:114645  /23:107395  /24:593574  
/25:1126    /26:1082    /27:1501    /28:163     /29:242     /30:80      
/31:82      /32:652     

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

   ASN  No of nets  Total ann.  Description
 47331        7893        8781  TTNET, TR
 12479        6697        7611  UNI2-AS, ES
  8151        6172       12170  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3128        4185  VIASAT-SP-BACKBONE, US
  8551        2843        3366  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2647        3606  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2130        2473  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2295      2:1580      3:280       4:8         5:4618      6:164    
   7:6         8:1618      9:1        11:172      12:1494     13:375    
  14:2393     15:308      16:206      17:368      18:704      20:359    
  21:4        22:188      23:6634     24:3010     25:2        27:2655   
  29:19       31:2702     32:74       34:38       35:123      36:2116   
  37:4661     38:6850     39:887      40:148      41:4705     42:2173   
  43:2391     44:333      45:17572    46:4592     47:303      49:1915   
  50:1910     51:577      52:1628     54:385      55:869      56:5      
  57:137      58:2010     59:1193     60:1010     61:2760     62:2887   
  63:1943     64:5705     65:2393     66:5162     67:3125     68:1356   
  69:4104     70:1382     71:617      72:3021     74:2675     75:1598   
  76:631      77:2470     78:4182     79:3050     80:2172     81:2111   
  82:1597     83:1398     84:1642     85:3900     86:887      87:2262   
  88:3070     89:4104     90:654      91:8050     92:2275     93:2675   
  94:3807     95:5303     96:1335     97:317      98:1041     99:737    
 100:122     101:1162    102:3479    103:32926   104:4812    105:2028   
 106:991     107:2779    108:1153    109:4263    110:2172    111:3192   
 112:2112    113:1734    114:1760    115:2103    116:2004    117:2580   
 118:2778    119:2018    120:1812    121:1321    122:2788    123:2252   
 124:1660    125:2803    128:1593    129:1007    130:1110    131:2091   
 132:987     133:411     134:1730    135:336     136:913     137:1001   
 138:2905    139:1573    140:1346    141:1365    142:1584    143:1604   
 144:1009    145:336     146:2034    147:1667    148:2520    149:2483   
 150:1032    151:1331    152:1976    153:599     154:5696    155:1385   
 156:2156    157:1400    158:1090    159:2220    160:2703    161:1652   
 162:3624    163:1655    164:1702    165:1925    166:1098    167:1764   
 168:3986    169:815     170:4951    171:995     172:3777    173:3054   
 174:901     175:1254    176:3762    177:5512    178:3684    179:2494   
 180:2419    181:3705    182:3418    183:2048    184:2281    185:20855  
 186:5159    187:4705    188:4283    189:4290    190:9603    191:1993   
 192:11044   193:9047    194:7575    195:5502    196:3644    197:2931   
 198:6071    199:6818    200:8468    201:6401    202:10959   203:10502  
 204:4657    205:3702    206:4530    207:3554    208:4157    209:4996   
 210:4717    211:2608    212:4418    213:3522    214:1120    215:49     
 216:6903    217:3027    218:1348    219:613     220:2035    221:1022   
 222:882     223:2225   

End of report


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