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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Dec 19 22:41:23 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Tue 19 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:                              986593
    Prefixes after maximum aggregation (per Origin AS):          363461
    Deaggregation factor:                                          2.71
    Unique aggregates announced (without unneeded subnets):      456132
Total ASes present in the Internet Routing Table:                 75419
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64626
Origin ASes announcing only one prefix:                           26020
Transit ASes present in the Internet Routing Table:               10793
Transit-only ASes present in the Internet Routing Table:            494
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1233
    Number of instances of unregistered ASNs:                      1235
Number of 32-bit ASNs allocated by the RIRs:                      43239
Number of 32-bit ASNs visible in the Routing Table:               35699
Prefixes from 32-bit ASNs in the Routing Table:                  186747
Number of bogon 32-bit ASNs visible in the Routing Table:           179
Special use prefixes present in the Routing Table:                   33
Prefixes being announced from unallocated address space:            598
Number of addresses announced to Internet:                   3049881630
    Equivalent to 181 /8s, 201 /16s and 128 /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:      339254

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

Prefixes being announced by APNIC Region ASes:                   257632
    Total APNIC prefixes after maximum aggregation:               73077
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250537
    Unique aggregates announced from the APNIC address blocks:    99745
APNIC Region origin ASes present in the Internet Routing Table:   13926
    APNIC Prefixes per ASN:                                       17.99
APNIC Region origin ASes announcing only one prefix:               4145
APNIC Region transit ASes present in the Internet Routing Table:   1889
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:   9246
Number of APNIC addresses announced to Internet:              771723680
    Equivalent to 45 /8s, 255 /16s and 145 /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:                    282081
    Total ARIN prefixes after maximum aggregation:               126134
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286499
    Unique aggregates announced from the ARIN address blocks:    132715
ARIN Region origin ASes present in the Internet Routing Table:    19108
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6935
ARIN Region transit ASes present in the Internet Routing Table:    1939
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:    4836
Number of ARIN addresses announced to Internet:              1276312128
    Equivalent to 76 /8s, 18 /16s and 250 /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:                    282092
    Total RIPE prefixes after maximum aggregation:               128316
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275655
    Unique aggregates announced from the RIPE address blocks:    160904
RIPE Region origin ASes present in the Internet Routing Table:    28582
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12077
RIPE Region transit ASes present in the Internet Routing Table:    3988
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          37
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11538
Number of RIPE addresses announced to Internet:               715022558
    Equivalent to 42 /8s, 158 /16s and 96 /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:                  129465
    Total LACNIC prefixes after maximum aggregation:              29053
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         128469
    Unique aggregates announced from the LACNIC address blocks:   49382
LACNIC Region origin ASes present in the Internet Routing Table:  11068
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2264
LACNIC Region transit ASes present in the Internet Routing Table:  2412
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:  8909
Number of LACNIC addresses announced to Internet:             178387552
    Equivalent to 10 /8s, 161 /16s and 250 /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:                  34090
    Total AfriNIC prefixes after maximum aggregation:              6097
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44834
    Unique aggregates announced from the AfriNIC address blocks:  12885
AfriNIC Region origin ASes present in the Internet Routing Table:  1829
    AfriNIC Prefixes per ASN:                                     24.51
AfriNIC Region origin ASes announcing only one prefix:              599
AfriNIC Region transit ASes present in the Internet Routing Table:  353
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: 1170
Number of AfriNIC addresses announced to Internet:            107989504
    Equivalent to 6 /8s, 111 /16s and 202 /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        9796       8734      50  CHINAMOBILE-CN China Mobile Communicati
  7545        5673        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4992       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4473        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3836       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        3357       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2683      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2654        854     373  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        9438      11196    3388  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        3220       1425    2339  AKAMAI-AS, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2970       3855    1419  DNIC-ASBLK-00306-00371, US
396982        2738       3637     384  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        8782       1193    2775  TTNET, TR
 12479        7585       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4078       3398     168  AKAMAI-ASN1, NL
  9009        3509        301    1643  M247, RO
  8551        3369        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3024       2301     917  ROSTELECOM-AS, RU
  5384        2523        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       12168       3380     603  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2492        339     635  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        1096        177     430  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        1596        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        1053         68      50  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       12168       3380     603  UNINET, MX
  9808        9796       8734      50  CHINAMOBILE-CN China Mobile Communicati
 16509        9438      11196    3388  AMAZON-02, US
 47331        8782       1193    2775  TTNET, TR
 12479        7585       1714     146  UNI2-AS, ES
  7545        5673        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4992       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4562        303     680  CABLEONE, US
 18403        4473        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        9796         9746  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7585         7439  UNI2-AS, ES
 16509        9438         6050  AMAZON-02, US
 47331        8782         6007  TTNET, TR
  7545        5673         4986  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4992         4917  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4473         4448  FPT-AS-AP FPT Telecom Company, VN
  7155        4185         4087  VIASAT-SP-BACKBONE, US
 20940        4078         3910  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            65512  -Private Use AS-, ZZ
     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
23.168.24.0/24       Origin:    393577  TRITAN, US
23.168.24.0/24      Transit:      1299  TWELVE99 Arelion, fka Telia Carrier, SE
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

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     /14:1209    /15:2135    /16:13595   /17:8519    /18:14235   
/19:25687   /20:45654   /21:54355   /22:114591  /23:107368  /24:593267  
/25:1128    /26:1081    /27:1502    /28:163     /29:242     /30:80      
/31:82      /32:649     

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

   ASN  No of nets  Total ann.  Description
 47331        7894        8782  TTNET, TR
 12479        6672        7585  UNI2-AS, ES
  8151        6170       12168  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        2846        3369  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)
----------------------------------------------

   1:2297      2:1583      3:280       4:8         5:4618      6:163    
   7:6         8:1615      9:1        11:172      12:1494     13:372    
  14:2393     15:308      16:206      17:368      18:707      20:359    
  21:4        22:188      23:6614     24:3012     25:2        27:2658   
  29:19       31:2710     32:74       34:37       35:121      36:2118   
  37:4656     38:6862     39:889      40:148      41:4709     42:2166   
  43:2387     44:334      45:17553    46:4590     47:304      49:1914   
  50:1914     51:577      52:1629     54:386      55:884      56:5      
  57:137      58:2010     59:1193     60:1010     61:2759     62:2883   
  63:1945     64:5696     65:2392     66:5164     67:3124     68:1355   
  69:4104     70:1382     71:618      72:3022     74:2676     75:1598   
  76:630      77:2471     78:4091     79:3052     80:2173     81:2117   
  82:1598     83:1399     84:1644     85:3838     86:889      87:2252   
  88:2967     89:4110     90:656      91:8055     92:2269     93:2674   
  94:3803     95:5247     96:1335     97:317      98:1041     99:737    
 100:123     101:1163    102:3473    103:32928   104:4803    105:2029   
 106:992     107:2778    108:1155    109:4267    110:2173    111:3192   
 112:2112    113:1733    114:1760    115:2105    116:2006    117:2580   
 118:2779    119:2018    120:1812    121:1324    122:2788    123:2253   
 124:1660    125:2803    128:1593    129:1008    130:1106    131:2096   
 132:986     133:411     134:1731    135:336     136:917     137:1001   
 138:2905    139:1574    140:1346    141:1363    142:1584    143:1606   
 144:1011    145:336     146:2032    147:1662    148:2524    149:2480   
 150:1031    151:1328    152:1979    153:599     154:5698    155:1381   
 156:2149    157:1401    158:1090    159:2220    160:2703    161:1650   
 162:3628    163:1656    164:1703    165:1926    166:1090    167:1767   
 168:4024    169:817     170:4965    171:995     172:3780    173:3054   
 174:900     175:1257    176:3738    177:5540    178:3685    179:2503   
 180:2438    181:3719    182:3418    183:2047    184:2282    185:20847  
 186:5162    187:4722    188:4278    189:4292    190:9612    191:1968   
 192:11038   193:9044    194:7571    195:5492    196:3657    197:2932   
 198:6071    199:6835    200:8481    201:6375    202:10952   203:10500  
 204:4654    205:3689    206:4532    207:3554    208:4158    209:5004   
 210:4721    211:2606    212:4347    213:3516    214:1127    215:49     
 216:6898    217:3030    218:1348    219:613     220:2035    221:1025   
 222:882     223:2225   

End of report


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