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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 21 21:13:58 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 21 Feb, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                              974584
    Prefixes after maximum aggregation (per Origin AS):          372577
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      475482
    Number of IPv4 prefixes with a valid ROA:                    532598
    Number of IPv4 prefixes with an invalid ROA:                    138
    Number of IPv4 prefixes with no ROA:                         441848
Total ASes present in the Internet Routing Table:                 76588
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65655
Origin ASes announcing only one prefix:                           26868
Transit ASes present in the Internet Routing Table:               10933
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:             39
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1052
    Number of instances of unregistered ASNs:                      1071
Number of 32-bit ASNs allocated by the RIRs:                      46157
Number of 32-bit ASNs visible in the Routing Table:               37838
Prefixes from 32-bit ASNs in the Routing Table:                  199028
Number of bogon 32-bit ASNs visible in the Routing Table:            61
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            516
Number of addresses announced to Internet:                   3112579328
    Equivalent to 185 /8s, 134 /16s and 49 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      319435

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

Prefixes being announced by APNIC Region ASes:                   255092
    Total APNIC prefixes after maximum aggregation:               76096
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247166
    Unique aggregates announced from the APNIC address blocks:   102604
APNIC Region origin ASes present in the Internet Routing Table:   14491
    APNIC Prefixes per ASN:                                       17.06
APNIC Region origin ASes announcing only one prefix:               4433
APNIC Region transit ASes present in the Internet Routing Table:   1938
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10003
Number of APNIC addresses announced to Internet:              753225472
    Equivalent to 44 /8s, 229 /16s and 79 /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, 131072-155961
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:                    287631
    Total ARIN prefixes after maximum aggregation:               127628
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289333
    Unique aggregates announced from the ARIN address blocks:    135960
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                7024
ARIN Region transit ASes present in the Internet Routing Table:    1996
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5158
Number of ARIN addresses announced to Internet:              1348449280
    Equivalent to 80 /8s, 95 /16s and 180 /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:                    272378
    Total RIPE prefixes after maximum aggregation:               132259
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269793
    Unique aggregates announced from the RIPE address blocks:    172654
RIPE Region origin ASes present in the Internet Routing Table:    28840
    RIPE Prefixes per ASN:                                         9.35
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3960
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12273
Number of RIPE addresses announced to Internet:               732230400
    Equivalent to 43 /8s, 164 /16s and 243 /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:                  123387
    Total LACNIC prefixes after maximum aggregation:              29117
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         120455
    Unique aggregates announced from the LACNIC address blocks:   48844
LACNIC Region origin ASes present in the Internet Routing Table:  11199
    LACNIC Prefixes per ASN:                                      10.76
LACNIC Region origin ASes announcing only one prefix:              2670
LACNIC Region transit ASes present in the Internet Routing Table:  2469
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9136
Number of LACNIC addresses announced to Internet:             173802240
    Equivalent to 10 /8s, 92 /16s and 3 /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:                  35044
    Total AfriNIC prefixes after maximum aggregation:              6813
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         47320
    Unique aggregates announced from the AfriNIC address blocks:  14987
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     24.74
AfriNIC Region origin ASes announcing only one prefix:              693
AfriNIC Region transit ASes present in the Internet Routing Table:  375
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1268
Number of AfriNIC addresses announced to Internet:            104605184
    Equivalent to 6 /8s, 60 /16s and 38 /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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6214        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4269        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3255       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2842        854     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2150      11521     612  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12793      39190    3784  AMAZON-02, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3589       3054     220  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3503       8763     933  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3044       1311    2203  AKAMAI-AS, US
396982        2930       3660     449  GOOGLE-CLOUD-PLATFORM, US
 30036        2600        363     269  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7768       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4003       3395     130  AKAMAI-ASN1, NL
  9009        3733        320    1918  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2017        147    1490  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1601       1852      14  TE-AS TE-AS, EG
 62240        1498         99     749  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11764       3231     596  UNINET, MX
 10620        3544        492     951  Telmex Colombia S.A., CO
 13999        2515        541     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1156        371      22  Telefonica del Peru S.A.A., PE
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 22884        1047         98     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1644        389      16  LINKdotNET-AS, EG
 29571        1559         98     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935         997        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 36914         557         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12793      39190    3784  AMAZON-02, US
  8151       11764       3231     596  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7768       1714     145  UNI2-AS, ES
  7545        6214        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4269        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11764        11168  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7768         7623  UNI2-AS, ES
  7545        6214         5552  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4269         4244  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919         3894  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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

Complete listing at https://bgp.nsrc.org/REN/AARNET/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       /9:16      /10:42      /11:92      /12:307     
/13:587     /14:1224    /15:2165    /16:13943   /17:8301    /18:13707   
/19:24558   /20:43827   /21:51939   /22:112214  /23:100916  /24:600729  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6721        7768  UNI2-AS, ES
  8151        5968       11764  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2708        3589  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2278       12793  AMAZON-02, US
 30036        2258        2600  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  Telmex Colombia S.A., CO

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

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

   1:2296      2:1521      3:571       4:10        5:4520      6:165    
   7:6         8:1551      9:1        11:172      12:1381     13:349    
  14:2507     15:348      16:274      17:357      18:917      20:450    
  21:4        22:188      23:7341     24:2726     25:2        27:2745   
  29:19       31:3147     32:35       34:78       35:204      36:2407   
  37:4607     38:8609     39:896      40:153      41:4172     42:1937   
  43:2527     44:350      45:18261    46:4981     47:291      49:1967   
  50:1888     51:589      52:1569     54:300      55:1020     56:9      
  57:243      58:2220     59:1196     60:1167     61:2784     62:2950   
  63:1828     64:5513     65:2140     66:4637     67:3031     68:1156   
  69:3973     70:1158     71:617      72:2879     74:2782     75:1649   
  76:611      77:2664     78:1873     79:1724     80:2207     81:2027   
  82:2605     83:1411     84:1797     85:3358     86:1019     87:2166   
  88:1315     89:4313     90:761      91:8320     92:2806     93:2860   
  94:3911     95:4227     96:1364     97:318      98:1003     99:741    
 100:71      101:1140    102:3697    103:32285   104:4809    105:752    
 106:990     107:2610    108:1200    109:4087    110:2222    111:3307   
 112:2047    113:1793    114:1937    115:2163    116:2041    117:2752   
 118:2883    119:1956    120:1877    121:1362    122:2755    123:2177   
 124:1562    125:2870    126:94      128:1593    129:955     130:1283   
 131:1855    132:796     133:450     134:1522    135:325     136:1330   
 137:1291    138:2890    139:1621    140:1560    141:1483    142:1828   
 143:1608    144:1049    145:469     146:2135    147:2062    148:2578   
 149:2865    150:1228    151:1688    152:2109    153:571     154:7569   
 155:1606    156:3129    157:1898    158:1251    159:2430    160:3569   
 161:1889    162:3696    163:1841    164:1672    165:2182    166:1352   
 167:1885    168:4064    169:798     170:5081    171:1004    172:4364   
 173:3249    174:923     175:1269    176:3619    177:4715    178:3770   
 179:2237    180:2579    181:3996    182:3370    183:2035    184:2308   
 185:21489   186:5089    187:4322    188:4225    189:4189    190:9622   
 191:1537    192:11187   193:9394    194:7748    195:5480    196:3283   
 197:3658    198:6183    199:8331    200:8152    201:6301    202:10383  
 203:10614   204:4562    205:3684    206:4623    207:3582    208:4201   
 209:5183    210:4564    211:2521    212:4510    213:3748    214:1061   
 215:42      216:6569    217:3108    218:1337    219:373     220:2110   
 221:1055    222:717     223:2317   

End of report


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